Compare What are the best smartwatches with heart rate monitor for advanced fitness tracking features? — Verified Specs | CompareTheSpecs

Product ⇅	Price ⇅	Heart Rate Accuracy (%) ⇅	Battery Life (hours) ⇅	Water Resistance (meter) ⇅	Screen Size (inches) ⇅	GPS Accuracy (meters) ⇅	Compatibility ⇅
Garmin Venu X1 (Model Number 010-02980-00) US	£406.03 ≈	—	Up to 8 days	5 ATM	2 in	—	Android, Apple iOS
The Garmin Venu X1 is a GPS fitness smartwatch with an AMOLED touchscreen and built-in multi-band GPS for training and navigation. It includes advanced health and training features such as HRV status, advanced sleep monitoring, and training readiness metrics. It's designed for people who want detailed wellness tracking plus smart notifications and long-enough smartwatch battery for everyday use. ★ Ideal for It suits advanced fitness tracking because it combines up to 8 days smartwatch battery with multi-band GPS and 24/7 health metrics like HRV status, advanced sleep monitoring, and training readiness, while also supporting smartphone compatibility. Sources: Best Buy EuroOptic The Home Depot Search on: Amazon Walmart eBay AliExpress JD.com Taobao
Amazfit Active 3 Premium 45mm US	£110.73 ≈	Relatively accurate during steady workouts; accuracy declines during high-intensity intervals	Up to 12 days typical use; up to 7 days heavy use; up to 24 hours continuous GPS	5 ATM	1.32in AMOLED	Reliable for most steady runs; single-band GPS can cause occasional distance drift	Android 7.0 and above; iOS 14.0 and above
The Amazfit Active 3 Premium is a 45mm running-focused smartwatch with a sapphire-glass 1.32in AMOLED display, offline maps, structured Zepp Coach training plans, and advanced running metrics. Its long battery life and 5 ATM water resistance suit everyday wear and regular training, while its single-band GPS and heart-rate performance are better suited to recreational and entry-level runners than highly competitive athletes. ★ Ideal for It suits advanced fitness tracking needs through continuous heart-rate monitoring, VO2 Max, training load, running power, lactate threshold, posture, ground-contact metrics, offline maps, external heart-rate monitor support, and up to 24 hours of continuous GPS. Sources: Amazfit Best Buy Search on: Amazon Walmart eBay AliExpress JD.com Taobao
COROS COROS PACE Pro US	£220.74 ≈	Generally accurate during steady efforts with occasional delays and errors during high-intensity intervals	20 days daily use; 38 hours All-Systems GPS; 31 hours dual-frequency GPS	5 ATM	1.3 in	Precise All-Systems and dual-frequency GPS; typically accurate within 2-4 m in testing	Bluetooth smartphones, ANT+ and Bluetooth sensors, Wi-Fi, COROS app, Strava and Apple Health
The COROS PACE Pro is a lightweight multisport GPS watch with a bright 1.3 in AMOLED display, offline maps, advanced training tools, optical heart-rate monitoring and dual-frequency GPS. Its long battery life suits runners, triathletes and other athletes who want detailed training data without frequent charging. ★ Ideal for It suits advanced fitness tracking because it combines wrist-based heart-rate monitoring, VO2 max, training load, recovery metrics, sleep tracking, 38-hour GPS battery life, dual-frequency GPS and structured workout tools. Sources: Running Warehouse Search on: Amazon Walmart eBay AliExpress JD.com Taobao
Garmin Forerunner 265 GPS Smartwatch 46 mm US	£258.38 ≈	Generally accurate with negligible differences from a chest strap	Up to 13 days in smartwatch mode and up to 20 hours in GPS mode	5 ATM	1.3 in	Multi-band GNSS with SatIQ technology	Android and Apple iOS
The Garmin Forerunner 265 is a 46 mm running smartwatch with a bright AMOLED touchscreen, multi-band GPS, wrist-based heart-rate monitoring, training readiness, recovery insights, music, and Garmin Pay. Its long battery life and advanced training metrics suit runners, triathletes, cyclists, and serious fitness users. ★ Ideal for It suits advanced fitness tracking because it combines generally accurate wrist-based heart-rate monitoring with multi-band GNSS, training readiness, HRV status, recovery insights, race planning, and more than 30 activity profiles. Sources: Best Buy Lowe's Search on: Amazon Walmart eBay AliExpress JD.com Taobao
Polar Polar Vantage M3 US	£294.56 ≈	Good overall accuracy	Up to 30 hours in performance training mode; up to 70 hours in eco training mode; up to 7 days in smartwatch mode	50 m suitable for swimming	1.28 in	Distance ±2%; average route accuracy 5 m with dual-frequency GPS	Polar Flow app for Android and iOS; Bluetooth sensors; Strava, TrainingPeaks and Komoot; no ANT+
The Polar Vantage M3 is a lightweight multisport smartwatch with an AMOLED touchscreen, dual-frequency GPS, offline maps, ECG, SpO2, sleep tracking and advanced training and recovery metrics. It suits runners, cyclists, swimmers, triathletes and fitness-focused users who want detailed performance data and long battery life rather than a broad app ecosystem. ★ Ideal for It suits advanced fitness tracking because it combines Gen 4 optical heart-rate monitoring, ECG, SpO2, dual-frequency GPS with 5 m average route accuracy, Training Load Pro, Recovery Pro, Running Power, offline maps and up to 30 hours of performance training battery life. Sources: Watchard Search on: Amazon Walmart eBay AliExpress JD.com Taobao
Samsung Samsung Galaxy Watch 7 US	£140.26 ≈	High precision heart rate tracking with improved motion filtering	Up to 40 hours AOD off; up to 30 hours AOD on	5ATM + IP68	1.5 in for 44mm; 1.3 in for 40mm	Dual-frequency GPS using L1 and L5 satellite bands for precise tracking	Android 11 or higher with more than 1.5GB of memory
Samsung Galaxy Watch7 is an AI-powered smartwatch with advanced heart rate, sleep, workout and body-composition tracking. It suits Android users who want a lightweight everyday smartwatch with dual-frequency GPS and a bright Super AMOLED display. ★ Ideal for It suits advanced fitness tracking because it combines motion-filtered heart rate monitoring, dual-frequency L1 and L5 GPS, workout tracking, sleep analysis and Energy Score insights. Sources: Best Buy Search on: Amazon Walmart eBay AliExpress JD.com Taobao