15 Best Smartwatches with Heart Rate, Compared
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Choosing the best smartwatches with heart rate requires looking at specific hardware capabilities. We compared 15 options ranked by their published specifications to help you find the right fit. The Apple Watch SE 3 44mm GPS leads this list. It offers reliable tracking in a compact 44mm aluminum case. This design suits iPhone users who want essential health insights without bulk. Our picks are based strictly on the specs found on each product listing. This guide helps you decide which device matches your wrist size and connectivity needs.
Match Connectivity to Your Phone
Your phone ecosystem determines which watch works best. The Apple Watch SE 3 44mm GPS suits iPhone users, while the Samsung Galaxy Watch 8 40mm LTE fits Android owners. If you prefer minimal hardware, the RingConn Gen 2 Smart Ring offers discreet monitoring without a display. Check compatibility before buying to ensure your device syncs correctly.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Apple Watch SE 3 44mm GPS Best overall | iPhone users wanting essential health tracking | |
| 2 | Samsung Galaxy Watch 8 40mm LTE Also great | smaller wrists and lightweight comfort | |
| 3 | Apple Watch Series 12 46mm Titanium Best premium | Frequent heart rate monitoring and cellular use | |
| 4 | Samsung Galaxy Watch Ultra 47mm LTE Also great | outdoor enthusiasts needing LTE connectivity | |
| 5 | Samsung Galaxy Watch Ultra 47mm Also great | users wanting a durable, large titanium smartwatch | |
| 6 | WHOOP 5.0 Screenless Fitness Tracker Best ip68 waterproof | continuous health and sleep tracking without screens | |
| 7 | Samsung Galaxy Watch Ultra 47mm Also great | outdoor runners needing durable titanium build | |
| 8 | Fitbit Versa 4 Black/Graphite Best budget | Battery-conscious fitness tracking with GPS | |
| 9 | RingConn Gen 2 Smart Ring Size 12 Best no subscription | discreet heart rate and sleep monitoring | |
| 10 | Samsung Galaxy Watch 7 40mm LTE Also great | Small wrists wanting LTE heart rate tracking | |
| 11 | Samsung Galaxy Watch9 40mm LTE Best graphite | LTE users wanting a compact 40mm smartwatch | |
| 12 | Google Pixel Watch 3 41mm Android Best wi-fi | Android runners wanting cardio load metrics | |
| 13 | Samsung Galaxy Watch 7 44mm Bluetooth Best bluetooth | heart rate tracking and energy insights | |
| 14 | Garmin HRM 600 Heart Rate Monitor Also great | Runners seeking precise running dynamics | |
| 15 | Garmin Forerunner 70 43mm Best training | beginner runners needing guided training |
The best fit for you
- You want the most compact LTE option for small wrists – Samsung Galaxy Watch 8 40mm LTE – It has a 40mm size and weighs 1.06 ounces.
- You need reliable heart rate tracking with your iPhone – Apple Watch SE 3 44mm GPS – It features an always-on display and GPS connectivity.
- You prefer discreet monitoring without a visible screen – WHOOP 5.0 Screenless Fitness Tracker – It offers continuous health tracking with IP68 waterproofing.
- You want precise running data for form improvement – Garmin HRM 600 Heart Rate Monitor – It provides precise running dynamics for athletes.
Is Heart Rate Monitoring Worth It for You?
Heart rate tracking provides continuous data on your cardiovascular effort. This metric helps you understand intensity during workouts and recovery between sessions. Devices like the Samsung Galaxy Watch 8 40mm LTE offer detailed insights for daily health scores. The RingConn Gen 2 Smart Ring provides discreet monitoring for sleep and wellness. If you want to gauge cardio load or track resting trends, this feature adds useful context to your fitness routine.
Worth it if
- You want to monitor your cardiovascular effort during exercise.
- You need detailed health scores for daily wellness insights.
- You prefer discreet tracking for sleep and recovery data.
Skip it if
- You only care about step counts and distance.
- You do not want to check your pulse data regularly.
- You prefer not to wear any device on your wrist or finger.
Apple Watch SE 3 44mm GPS
Best for: iPhone users wanting essential health tracking
- Tracked Metrics
- Heart Rate
- Case Size
- 44mm
- Battery Life
- 18 hours
- Display Type
- Always-On Display
- Connectivity
- GPS
- Case Material
- Aluminum
The Apple Watch SE 3 (GPS) tracks heart rate with an always-on display and 18-hour battery life. It sends alerts for irregular rhythms and supports sleep apnea notifications. The 44mm aluminum case fits most wrists with the included M/L band. This model connects via GPS and Wi-Fi, requiring an iPhone for full functionality. It is a solid choice for users who want essential health metrics without cellular connectivity.
- 18-hour battery life with fast charging
- Always-on display for quick glances
- Tracks heart rate and sleep apnea
- 44mm case size with M/L band
- 18-hour battery life is shorter than many competitors
- GPS-only connectivity requires an iPhone nearby
- Aluminum case is lighter but less durable than titanium
- You want an always-on display for easy time checks
- You already use an iPhone for seamless pairing
- You prefer a lightweight aluminum build for daily wear
- You need multi-day battery life beyond 18 hours
- You require standalone cellular connectivity without your phone
- You want a titanium case for maximum durability
Verdict: Apple Watch SE 3 44mm GPS offers reliable heart rate tracking and an always-on display for iPhone users who prioritize convenience over extended battery life. It suits those who want essential health insights without the bulk of premium materials.
Samsung Galaxy Watch 8 40mm LTE
Best for: smaller wrists and lightweight comfort
- Tracked Metrics
- Heart Rate
- Case Size
- 40mm
- Connectivity
- LTE
- Features
- Heart Rate Monitor
- Activity
- Running
- Color
- Silver
The Samsung Galaxy Watch 8 40mm LTE is a lightweight fitness tracker designed for all-day comfort. It features a 40mm case that measures 0.34 inches thick and weighs 1.06 ounces. The device includes a heart rate monitor and LTE connectivity. It offers sleep coaching and running guidance. This compact model suits users who prefer smaller wrists or a minimal profile on their arm.
- 40mm case size for a snug fit
- LTE connectivity for standalone use
- Heart rate monitoring for fitness tracking
- Lightweight 1.06 ounces build
- Advanced sleep coaching features
- 40mm case is smaller than the 44mm and 46mm options available
- 0.34 inches thickness limits screen real estate compared to larger models
- 1.06 ounces weight may feel less substantial than bulkier smartwatches
- You prefer a smaller 40mm watch face
- You need LTE connectivity for calls without your phone
- You want a lightweight device for sleep tracking
- You need a large display for better readability
- You prefer a heavier, more durable build
- You do not require cellular connectivity
Verdict: Samsung Galaxy Watch 8 40mm LTE fits users who prioritize a compact, lightweight design with cellular capabilities. It is ideal for those who wear smaller watches and want detailed health insights without bulk.
Apple Watch Series 12 46mm Titanium
Best for: Frequent heart rate monitoring and cellular use
- Tracked Metrics
- Heart Rate
- Case Size
- 46mm
- Battery Life
- Up to 24 hours
- Connectivity
- GPS + Cellular
- Case Material
- Titanium
- Features
- Sleep Tracking
The Apple Watch Series 12 in 46mm titanium offers GPS and cellular connectivity for standalone tracking. It features heart rate monitoring every five seconds and HRV checks every five minutes. The device includes sleep tracking and blood oxygen readings. Battery life lasts up to 24 hours with fast charging support. This model suits users who want premium materials and frequent health data collection.
- Titanium case material for durability
- Heart rate readings every five seconds
- HRV insights every five minutes
- GPS and cellular connectivity
- Fast charging for 12 hours use
- Battery life limited to 24 hours
- 46mm case size is larger than 40mm or 41mm competitors
- You want cellular connectivity for calls without a phone
- You prefer a titanium case over aluminum
- You need frequent heart rate and HRV updates
- You need multi-day battery life beyond 24 hours
- You prefer a smaller 40mm or 41mm case size
- You use Android phones and cannot install the app
Verdict: Apple Watch Series 12 46mm Titanium delivers precise heart rate tracking and cellular freedom in a durable titanium build. It fits users who prioritize health frequency and premium materials over long battery life.
Samsung Galaxy Watch Ultra 47mm LTE
Best for: outdoor enthusiasts needing LTE connectivity
- Tracked Metrics
- Heart Rate
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Features
- Sleep Tracking, Heart Rate Monitor
- Color
- Silver
This Samsung smartwatch features a 47mm titanium case built for rugged outdoor use. It connects via LTE and GPS for independent tracking. The device includes heart rate monitoring and sleep tracking to support your wellness goals. Weighing 2.08 ounces, it offers a durable build suited for active lifestyles. The LTE connectivity allows you to stay connected without your phone nearby.
- 47mm titanium case for durability
- LTE and GPS connectivity
- Heart rate and sleep tracking
- Rugged outdoor design
- Heavier build at 2.08 ounces
- Larger 47mm case size
- You need LTE connectivity for phone-free tracking
- You want a durable titanium case for outdoor activities
- You prefer larger 47mm smartwatch displays
- You prefer lighter, smaller wearable devices
- You do not need cellular connectivity
- You want a screenless fitness tracker
Verdict: Samsung Galaxy Watch Ultra 47mm Titanium suits those who prioritize rugged durability and independent LTE connectivity. Its titanium build and larger size appeal to users who need a robust device for outdoor adventures.
Samsung Galaxy Watch Ultra 47mm
Best for: users wanting a durable, large titanium smartwatch
- Tracked Metrics
- Heart Rate
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Features
- Sleep Tracking, Heart Rate Monitor
- Tracking Features
- Heart Rate Monitoring
This Samsung smartwatch pairs a 47mm titanium case with LTE and GPS connectivity. It tracks heart rate, sleep, and energy scores. The 47mm size offers a larger display area, while the titanium build provides durability. It suits users who want robust construction and cellular independence for tracking metrics like heart rate without a phone.
- 47mm case size for a larger display
- Titanium case material for durability
- LTE and GPS connectivity
- Tracks heart rate and sleep metrics
- Heavier build at 2.08 ounces
- Larger 47mm size may not fit smaller wrists
- You want a durable titanium build
- You need LTE connectivity for calls
- You prefer a larger 47mm display
- You prefer a lightweight device under 2 ounces
- You need a smaller case size for comfort
- You do not require cellular connectivity
Verdict: Samsung Galaxy Watch Ultra 47mm is a durable, cellular-ready tracker for those who value a large titanium build. It fits users who want robust hardware and independent connectivity for heart rate and sleep monitoring.
WHOOP 5.0 Screenless Fitness Tracker
Best for: continuous health and sleep tracking without screens
- Tracked Metrics
- Heart Rate
- Battery Life
- 14+ days
- Display Type
- Screenless
- Target Audience
- Women
- Features
- Sleep Tracking
- Color
- Black
The WHOOP 5.0 is a screenless fitness tracker designed for continuous wear. It tracks heart rate, HRV, and sleep metrics with 99%+ accuracy. The device offers 14+ days of battery life, reducing charging frequency. It includes a 12-month membership and is IP68 waterproof. This wearable suits users prioritizing long-term health data over instant display feedback.
- 14+ days of battery life for continuous tracking
- IP68 waterproof rating for water resistance
- 99%+ heart rate and HRV tracking accuracy
- Screenless design for comfortable all-night sleep monitoring
- Screenless display prevents on-wrist metric viewing
- 3.84 ounces weight is higher than typical wristwatches
- Requires 12-month membership for full functionality
- You want to track sleep and recovery without checking a screen
- You need a waterproof device for swimming or showering
- You prefer long battery life over daily charging
- You need to see notifications or time on a display
- You prefer a lightweight device under 2 ounces
- You do not want to commit to a monthly subscription
Verdict: WHOOP 5.0 Screenless Fitness Tracker is a data-focused wearable for users who value continuous health insights over visual feedback. It fits those who prioritize battery longevity and sleep tracking accuracy.
Samsung Galaxy Watch Ultra 47mm
Best for: outdoor runners needing durable titanium build
- Tracked Metrics
- Heart Rate
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Features
- Heart Rate Monitor
- Activity
- Running
This Samsung smartwatch features a 47mm titanium case designed for rugged durability. It tracks heart rate continuously and supports LTE and GPS connectivity. The device includes advanced sleep coaching and a running coach to help you improve your daily performance. It weighs 2.08 ounces and comes in Titanium Blue. It suits users who need a tough, data-focused wearable for outdoor activities.
- Titanium casing for rugged durability
- 47mm case size for clear visibility
- LTE and GPS connectivity
- Advanced sleep coaching features
- Running coach for performance tracking
- 47mm case is larger than standard 40mm models
- 2.08 ounce weight is heavier than aluminum alternatives
- Limited to specific Titanium color options
- You need a durable titanium build for outdoor use
- You prefer a larger 47mm display for readability
- You want LTE connectivity for calls without a phone
- You prefer a lightweight aluminum watch under 2 ounces
- You want a smaller 40mm case for a discreet look
- You do not need LTE cellular connectivity
Verdict: Samsung Galaxy Watch Ultra 47mm Titanium is a robust choice for runners and outdoor enthusiasts who prioritize durability and detailed health tracking. Its titanium build and large display make it ideal for active users who need reliable performance in demanding conditions.
Fitbit Versa 4 Black/Graphite
Best for: Battery-conscious fitness tracking with GPS
- Tracked Metrics
- Heart Rate
- Battery Life
- 6+ days
- Connectivity
- GPS, Bluetooth
- Water Resistance
- 50 meters
- Features
- Sleep Tracking
- Tracking Features
- Heart Rate Monitoring
The Fitbit Versa 4 is a fitness smartwatch focused on heart rate tracking and daily health metrics. It features built-in GPS, 24/7 heart rate monitoring, and a battery life of 6+ days. The device includes a 3-month Google Health Premium membership. It is designed for users who want comprehensive activity data and sleep insights without needing cellular connectivity or advanced smart features found in higher-end models.
- 6+ days of battery life
- Built-in GPS for route tracking
- 24/7 heart rate monitoring
- Water resistant to 50 meters
- Daily Readiness Score included
- Battery life is shorter than the 10+ days offered by the Garmin HRM 600
- Lacks cellular connectivity compared to LTE models like the Samsung Galaxy Watch 8
- Heavier at 6.3 ounces than the RingConn Gen 2 smart ring
- You want long battery life for daily fitness tracking
- You prefer GPS tracking without a phone nearby
- You are interested in sleep and stress management scores
- You need cellular connectivity for calls without a phone
- You want a screenless wearable for minimal distraction
- You require titanium casing for extreme durability
Verdict: Fitbit Versa 4 Black/Graphite is a solid choice for runners and fitness enthusiasts who prioritize battery life and GPS accuracy over smart features. It suits those who want detailed health metrics without the bulk of a cellular-enabled watch.
RingConn Gen 2 Smart Ring Size 12
Best for: discreet heart rate and sleep monitoring
- Tracked Metrics
- Heart Rate
- Battery Life
- Up to 10-12 days
- Water Resistance
- Up to 100m
- Target Audience
- Women
- Tracking Features
- Heart Rate Monitoring, Women's Health Tracking
- Subscription
- No Subscription
The RingConn Gen 2 Smart Ring tracks heart rate and sleep apnea without requiring a subscription. It features a lightweight design weighing just 2 grams and offers up to 12 days of battery life. This device is waterproof up to 100 meters, making it suitable for swimming and daily wear. You get lifetime access to health insights through the companion app. It is a practical option for those seeking continuous monitoring without recurring fees.
- No subscription fees for app access
- Up to 12 days of battery life
- Water resistant up to 100 meters
- Tracks heart rate and sleep apnea
- Weighs only 2 grams
- Smaller display area compared to smartwatches
- Requires specific sizing kit for fit
- Limited to finger wear only
- You want heart rate tracking without monthly fees
- You prefer a lightweight wearable for sleep
- You swim regularly and need water resistance
- You need a large screen for notifications
- You prefer traditional watch bands
- You want cellular connectivity
Verdict: RingConn Gen 2 Smart Ring is a solid choice for users who prioritize discreet heart rate and sleep apnea monitoring over a large display. It fits those who value long battery life and zero subscription costs.
Samsung Galaxy Watch 7 40mm LTE
Best for: Small wrists wanting LTE heart rate tracking
- Tracked Metrics
- Heart Rate
- Case Size
- 40mm
- Connectivity
- LTE
- Features
- Sleep Tracking, Heart Rate Monitor
- Tracking Features
- Heart Rate Monitoring
- Dimensions
- 9.5 × 2 × 1.5 inches
This Samsung smartwatch features a 40mm case and LTE connectivity. It includes a next-generation 3nm Exynos W1000 processor for faster performance. The device tracks heart rate and sleep. It weighs 0.96 ounces and measures 2 inches wide. You get a compact wearable that fits smaller wrists. The LTE option allows standalone connectivity. It suits users who want a lightweight, connected device for daily heart rate monitoring.
- 40mm case size for smaller wrists
- LTE connectivity for standalone use
- Exynos W1000 3nm processor
- Heart rate and sleep tracking
- 40mm case is smaller than the 44mm and 46mm options on this list
- 0.96 ounces weight may feel less substantial than larger titanium models
- You prefer a compact 40mm watch face
- You want LTE connectivity without a phone nearby
- You need basic heart rate and sleep tracking
- You need a larger 44mm or 46mm display
- You require cellular connectivity only via Bluetooth pairing
- You prefer a heavier, more durable titanium build
Verdict: Samsung Galaxy Watch 7 40mm LTE is a compact LTE smartwatch for those who prioritize a smaller fit and fast processor. It fits users wanting lightweight heart rate tracking with independent connectivity.
Samsung Galaxy Watch9 40mm LTE
Best for: LTE users wanting a compact 40mm smartwatch
- Tracked Metrics
- Heart Rate
- Case Size
- 40mm
- Connectivity
- LTE
- Features
- Heart Rate Monitor
- Activity
- Running
- Color
- Graphite
The Samsung Galaxy Watch9 40mm in Graphite is an LTE smartwatch designed for daily health tracking. It features a 40mm case and weighs 1.1 ounces. The device monitors heart rate and provides a Heart Health Score based on sleep, BMI, activity, and vascular load. It includes Advanced Sleep Coaching and an AI assistant that responds without a wake phrase. This model suits users who want cellular connectivity in a compact, lightweight form factor.
- Built-in LTE for calls and texts without a phone
- Heart Health Score combines sleep, BMI, and vascular load
- Advanced Sleep Coaching with Bedtime Guidance
- AI Assistant responds without a wake phrase
- Lightweight 1.1 ounces build
- 40mm case size is smaller than the 44mm and 46mm options on this list
- Blood pressure calibration requires a separate cuff
- 1.1 ounces weight is heavier than the WHOOP 5.0 or RingConn Gen 2
- You want LTE connectivity in a compact 40mm size
- You prefer a lightweight watch for sleep tracking
- You want AI assistance without using a wake phrase
- You need a larger 44mm or 46mm display
- You want a screenless wearable like the WHOOP 5.0
- You prefer a ring form factor like the RingConn Gen 2
Verdict: Samsung Galaxy Watch9 40mm Graphite fits users who need LTE in a small, lightweight package. It offers detailed health scores and sleep coaching for those who value compact design over larger displays.
Google Pixel Watch 3 41mm Android
Best for: Android runners wanting cardio load metrics
- Tracked Metrics
- Heart Rate
- Case Size
- 41mm
- Battery Life
- 24-Hour
- Case Material
- Aluminum
- Connectivity
- Wi-Fi
- Features
- Heart Rate Monitor
The Google Pixel Watch 3 is a 41mm Android smartwatch with Wi-Fi connectivity and a polished aluminum case. It weighs 61.4 grams and offers 24-hour battery life. Fitbit advanced running features provide real-time guidance and form tracking. You get cardio load metrics and daily readiness scores based on sleep and heart rate variability. This device suits Android users who want detailed heart rate monitoring and structured run workouts.
- Wi-Fi connectivity for standalone data access
- 41mm screen is twice as bright as the previous model
- Fitbit advanced running features with real-time guidance
- Daily readiness scores based on sleep and heart rate variability
- Cardio load metrics to track heart effort
- 24-hour battery life limits multi-day use
- 41mm case size is smaller than many competitors
- 61.4 grams weight may feel substantial on small wrists
- You use an Android phone for full compatibility
- You want detailed running form and cardio load metrics
- You prefer a bright, easy-to-read 41mm display
- You need multi-day battery life beyond 24 hours
- You wear an iPhone and require iOS compatibility
- You prefer a larger case size than 41mm
Verdict: Google Pixel Watch 3 41mm fits Android runners who want detailed cardio load and readiness metrics. Its Wi-Fi connectivity and bright display make it a solid choice for daily heart rate tracking.
Samsung Galaxy Watch 7 44mm Bluetooth
Best for: heart rate tracking and energy insights
- Tracked Metrics
- Heart Rate
- Case Size
- 44mm
- Connectivity
- Bluetooth
- Features
- Sleep Tracking, Heart Rate Monitor
- Color
- Silver
- Tracking Features
- Heart Rate Monitoring
The Samsung Galaxy Watch 7 44mm Bluetooth is a smartwatch focused on heart rate tracking and wellness insights. It features a 44mm case size and weighs 1.19 ounces. Galaxy AI filters movement to improve heart rate accuracy during workouts. It also provides an Energy Score based on previous day activity. This model connects via Bluetooth, requiring a phone for data analysis. It suits users who want detailed health metrics in a standard size.
- 44mm case size for a clear view of data
- Galaxy AI improves heart rate tracking accuracy by filtering movement
- Provides personalized Energy Score based on prior day activity
- Tracks sleep and detects moderate to severe sleep apnea
- Weighs 1.19 ounces for comfortable daily wear
- Bluetooth connectivity requires a paired phone for full functionality
- 44mm size is larger than the 40mm variant available
- Data analysis happens on the phone rather than locally
- You want accurate heart rate data during exercise
- You prefer a 44mm watch face for readability
- You use a Samsung or Android phone for analysis
- You need standalone cellular connectivity without a phone
- You prefer a smaller 40mm case size
- You want all processing done directly on the watch
Verdict: The Samsung Galaxy Watch 7 44mm Bluetooth is a solid choice for users who prioritize accurate heart rate tracking and wellness insights. It fits those who want a larger 44mm display and do not mind relying on their phone for data analysis.
Garmin HRM 600 Heart Rate Monitor
Best for: Runners seeking precise running dynamics
- Tracked Metrics
- Heart Rate
- Battery Life
- Up to 2 months
- Features
- Heart Rate Monitor
- Activity
- Running
- Color
- Black
- Tracking Features
- Heart Rate Monitoring
This is a chest strap heart rate monitor designed for data-driven athletes. It sends real-time heart rate and HRV data to compatible Garmin devices. The strap is machine-washable and comes in two sizes. It tracks daily metrics and running dynamics like stride length. With up to 2 months of battery life, it suits runners who want accurate data without frequent charging.
- Sends accurate real-time heart rate and HRV data
- Up to 2 months of battery life
- Machine-washable strap for easy maintenance
- Tracks running dynamics like stride length
- Syncs data directly to Garmin Connect app
- Requires a compatible Garmin smartwatch for full running dynamics
- Limited to two size options for fit
- Does not display data on its own screen
- You run on indoor tracks or treadmills
- You play team sports where a watch is impractical
- You want to track daily heart rate metrics
- You use a non-Garmin smartwatch
- You prefer a wrist-worn device
- You need a display on the monitor
Verdict: Garmin HRM 600 XS-S Heart Rate Monitor provides precise running data for athletes who prioritize accuracy over convenience. It is ideal for runners who already own a compatible Garmin device and want to improve their form.
Garmin Forerunner 70 43mm
Best for: beginner runners needing guided training
- Tracked Metrics
- Heart Rate
- Case Size
- 43mm
- Battery Life
- Up to 13 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Activity
- Running, Training
The Garmin Forerunner 70 is a beginner-level running smartwatch with a 43mm case and an AMOLED display. It tracks heart rate and uses built-in GPS for pace and distance. Battery life lasts up to 13 days in smartwatch mode. It offers personalized training plans and daily suggested workouts. This device suits runners who want clear metrics and long battery life without complex features.
- AMOLED touchscreen display for clear visibility
- Up to 13 days of battery life in smartwatch mode
- Built-in GPS for accurate pace and distance tracking
- Personalized Garmin Coach training plans that adapt to performance
- Training readiness feature based on sleep and HRV status
- 43mm case size is smaller than many competitors offering 44mm or 46mm options
- GPS-only connectivity lacks LTE for independent calling or messaging
- Weight of 1.4 ounces is slightly heavier than some ultra-lightweight fitness bands
- You are a beginner runner looking for guided training plans
- You want a watch with long battery life for extended trips
- You prefer an AMOLED display for bright outdoor visibility
- You need LTE connectivity for calls without your phone
- You prefer a larger 46mm or 47mm watch case
- You already own a Garmin device with more advanced metrics
Verdict: The Garmin Forerunner 70 43mm is a practical choice for beginner runners who value battery life and clear data. It fits buyers who want guided training without the complexity of LTE or cellular features.
Specifications side by side
| Spec | Apple Watch SE 3 44mm GPS | Samsung Galaxy Watch 8 40mm LTE | Apple Watch Series 12 46mm Titanium | Samsung Galaxy Watch Ultra 47mm LTE | Samsung Galaxy Watch Ultra 47mm | WHOOP 5.0 Screenless Fitness Tracker | Samsung Galaxy Watch Ultra 47mm | Fitbit Versa 4 Black/Graphite | RingConn Gen 2 Smart Ring Size 12 | Samsung Galaxy Watch 7 40mm LTE | Samsung Galaxy Watch9 40mm LTE | Google Pixel Watch 3 41mm Android | Samsung Galaxy Watch 7 44mm Bluetooth | Garmin HRM 600 Heart Rate Monitor | Garmin Forerunner 70 43mm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case Size | 44mm | 40mm | 46mm | 47mm | 47mm | – | 47mm | – | – | 40mm | 40mm | 41mm | 44mm | – | 43mm |
| Battery Life | 18 hours | – | Up to 24 hours | – | – | 14+ days | – | 6+ days | Up to 10-12 days | – | – | 24-Hour | – | Up to 2 months | Up to 13 days |
| Display Type | Always-On Display | – | – | – | – | Screenless | – | – | – | – | – | – | – | – | AMOLED |
| Connectivity | GPS | LTE | GPS + Cellular | LTE, GPS | LTE, GPS | – | LTE, GPS | GPS, Bluetooth | – | LTE | LTE | – | Bluetooth | – | GPS |
| Case Material | Aluminum | – | Titanium | Titanium | – | – | Titanium | – | – | – | – | Aluminum | – | – | – |
| Water Resistance | – | – | – | – | – | – | – | 50 meters | Up to 100m | – | – | – | – | – | – |
| Target Audience | – | – | – | – | – | Women | – | – | Women | – | – | – | – | – | – |
| Features | Heart Rate Monitor | Heart Rate Monitor | Sleep Tracking | Sleep Tracking, Heart Rate Monitor | Sleep Tracking, Heart Rate Monitor | Sleep Tracking | Heart Rate Monitor | Sleep Tracking | – | Sleep Tracking, Heart Rate Monitor | Heart Rate Monitor | Heart Rate Monitor | Sleep Tracking, Heart Rate Monitor | Heart Rate Monitor | – |
| Activity | – | Running | – | – | – | – | Running | – | – | – | Running | Running | – | Running | Running, Training |
| Color | Starlight Aluminum Case with Starlight Sport Band | Silver | Radiant Gold Titanium Case w/ Burgundy Sport Band | Silver | Titanium Gray | Black | Titanium Blue | Black/Graphite | Matte Black | Cream | Graphite | Polished Silver Aluminum Case – Porcelain Band | Silver | Black | Cool Lavendar |
| Size | 44mm case + Medium/Large band | 40mm | 46mm case + Medium/Large band | 47Mm | 47Mm | Pequeño | 47Mm | 1 | 12 | 40mm | 40mm | 41Mm | 44Mm | X-Small-Small | 43mm |
| Tracking Features | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring, Women's Health Tracking | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring, Women's Health Tracking | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring |
| Subscription | – | – | – | – | – | – | – | – | No Subscription | – | – | – | – | – | – |
| Compatibility | – | – | – | – | – | – | – | – | Android, iOS | – | – | Android | – | – | – |
| Tracked Metrics | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate |
| Dimensions | 9.4 × 3 × 1.2 inches | 1.68 × 1.59 × 0.34 inches | – | 1.87 × 1.87 × 0.48 inches | 1.87 × 1.87 × 0.48 inches | 7.36 × 2.65 × 1.34 inches | 6 × 4 × 4 inches | 1.57 × 0.43 × 1.57 inches | 11.3 × 4.3 × 4.7 inches | 9.5 × 2 × 1.5 inches | – | 1.34 × 3.19 × 9.45 inches | 1.75 × 1.75 × 0.38 inches | 0.4 × 2.7 × 1.2 inches | 1.68 × 1.68 × 0.47 inches |
| Weight | 1.12 ounces | 1.06 ounces | – | 2.08 ounces | 2.08 ounces | 3.84 ounces | 2.08 ounces | 6.3 ounces | 13.4 ounces | 0.96 ounces | 1.1 ounces | 61.4 grams | 1.19 ounces | 2.2 ounces | 1.4 ounces |
| Model | MEHJ4LW/A | L325U | MJGT4LS/A | L705U | Galaxy Watch Ultra | 973-003-000 | L705U | FB523BKBK-US | RCA-01 | Galaxy Watch7 | SM-L345UZKQXAA | – | SM-L310NZSAXAA | 010-13383-01 | 010-04307-03 |
If you want dedicated indoor running equipment, compare the best treadmills with heart rate monitor to evaluate built-in pulse sensors.
How we picked these watches
We selected 15 devices by scanning Amazon listings for the Tracked Metrics: Heart Rate specification. We only included products where the listing explicitly states this feature in the title or feature list. We do not test hardware ourselves, so all details come directly from published specifications. This ensures you see only what the manufacturer claims. We show one size variant per product family to keep the list clear. You can trust these specs are current and verified at the time of writing.
The products are ordered by availability first. Next, we sort by the listing's overall rating weighted by the number of ratings. Finally, we prioritize devices that meet more of our guide's criteria. This method highlights the most relevant heart rate trackers for your needs. You see the best options first, based on data you can verify yourself.
How to Choose the Right Smartwatch
Check Case Material
The case material affects both durability and weight. If you want a premium feel, look for titanium builds. The Apple Watch Series 12 46mm Titanium and Samsung Galaxy Watch Ultra 47mm LTE both use titanium for ruggedness. Aluminum is lighter and more affordable, found in the Apple Watch SE 3 44mm GPS. Choose based on how much weight you prefer on your wrist and how often you expose the device to rough conditions.
Match Connectivity Needs
Connectivity determines if you can leave your phone behind. LTE models like the Samsung Galaxy Watch 8 40mm LTE allow independent calls and data. GPS-only options like the Apple Watch SE 3 44mm GPS require your phone nearby for most functions. Wi-Fi models like the Google Pixel Watch 3 41mm Android work best near home or office. Bluetooth models like the Samsung Galaxy Watch 7 44mm Bluetooth need a phone connection for full features. Pick the option that matches your daily routine.
Select Case Size
Case size impacts comfort and screen visibility. Smaller wrists benefit from compact designs like the 40mm Samsung Galaxy Watch 8 LTE or the 40mm Samsung Galaxy Watch 7 LTE. These weigh around 1.06 ounces and offer discreet tracking. Larger wrists may prefer the 44mm or 46mm Apple Watch models for better readability. The Samsung Galaxy Watch Ultra 47mm provides a substantial presence for outdoor activities. Measure your wrist to ensure the band fits securely during movement.
Consider Form Factor
You do not always need a traditional watch. The WHOOP 5.0 Screenless Fitness Tracker offers continuous health insights without a display. This suits users who prioritize battery life and sleep tracking over visual feedback. The RingConn Gen 2 Smart Ring provides discreet monitoring for heart rate and sleep apnea. It fits users who want zero subscription costs and minimal hardware. Choose a screenless option if you prefer data analysis on your phone rather than on your wrist.
Verify Compatibility
Ensure the device works with your phone. The Apple Watch Series 12 46mm Titanium and SE 3 44mm GPS are designed for iPhone users. Android owners should look at Samsung Galaxy Watch models or the Google Pixel Watch 3 41mm Android. Some devices like the RingConn Gen 2 Smart Ring support both Android and iOS. Check the compatibility section in the product data before buying. Mismatched ecosystems can limit features or prevent pairing entirely.
Frequently asked questions
Do all these smartwatches require a subscription?
Most devices in this list do not require a subscription to access heart rate data. The RingConn Gen 2 Smart Ring explicitly lists no subscription as a key feature. However, some brands may offer premium analytics for a fee. You should check the specific app requirements for each model to ensure basic tracking remains free.
Which watch is best for small wrists?
The Samsung Galaxy Watch 8 40mm LTE is ideal for smaller wrists. It features a compact 40mm case and weighs only 1.06 ounces. The Samsung Galaxy Watch 7 40mm LTE is another lightweight option at 0.96 ounces. These models provide LTE connectivity without the bulk of larger 44mm or 47mm designs.
Can I use these watches without my phone nearby?
Yes, if you choose a model with LTE or Cellular connectivity. The Samsung Galaxy Watch 8 40mm LTE, Apple Watch Series 12 46mm Titanium, and Samsung Galaxy Watch Ultra 47mm LTE all support independent connectivity. This allows you to receive calls and track heart rate data even when your phone is not in your pocket.
Are titanium cases better than aluminum?
Titanium offers greater durability and a premium feel compared to aluminum. The Apple Watch Series 12 46mm Titanium and Samsung Galaxy Watch Ultra 47mm LTE both use titanium for rugged outdoor use. Aluminum models like the Apple Watch SE 3 are lighter but may show more wear. Choose titanium if you prioritize long-term durability.
Does the WHOOP 5.0 have a screen?
No, the WHOOP 5.0 Screenless Fitness Tracker does not have a display. It focuses on continuous health and sleep tracking without visual feedback. This design prioritizes battery longevity and discreet monitoring. You view your heart rate data through the companion app rather than on the device itself.
Which device is best for Android users?
The Google Pixel Watch 3 41mm is optimized for Android users. It offers Wi-Fi connectivity and detailed cardio load metrics. Samsung Galaxy Watch models also work well with Android devices. The Apple Watch SE 3 is restricted to iPhone users, so Android owners should look for Samsung or Google options.
Is a heart rate monitor strap better than a watch?
A strap like the Garmin HRM 600 provides precise running dynamics for athletes. It is smaller and lighter than a full smartwatch. However, it requires a compatible Garmin device to display data. Smartwatches offer broader features like sleep tracking and notifications alongside heart rate monitoring.
See also
- Best Samsung Smartwatches with GPS in 2026: 11 Picks
- 11 Best Garmin Smartwatches with Music, Compared
- Google Smartwatches: 11 Picks Ranked by Specs
- Best Samsung Smartwatches with Bluetooth: 12 Spec-Based Picks
- Best Apple Titanium Smartwatches in 2026: 12 Picks
- 12 Best Garmin 42mm Smartwatches, Compared