Amazfit GTR 3 Pro vs Amazfit Active 2 Round
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit GTR 3 Pro |  Amazfit Active 2 Round |
|---|---|---|
| Price | KSh 20,000.00 | KSh 16,500.00 |
| Display | 1.45-inch AMOLED touchscreen | 1.32-inch AMOLED touchscreen |
| Battery capacity | 450 mAh typical | 270 mAh rated |
| Water resistance | 5 ATM | 5 ATM |
| Operating system | Zepp OS | — |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and QZSS | Built-in five-satellite positioning with circularly polarized antenna |
| Health & wellness features | Heart rate, blood oxygen, stress, breathing rate, PAI and one-tap health measurement; wellness readings are not intended for medical diagnosis | Heart rate, blood oxygen, stress, readiness, HRV, PAI and temperature insights; wellness measurements are not intended for medical diagnosis |
Full specifications
2 of 4 products
| Specification | Amazfit GTR 3 Pro | Amazfit Active 2 Round |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Amazfit |
| Model | GTR 3 Pro | Active 2 (Round) |
| Dimensions | 46 × 46 × 10.7 mm | 43.9 × 43.9 × 9.9 mm (heart-rate sensor base excluded) |
| Weight | 32 g without strap | 29.5 g without strap |
| Build materials | Aircraft-grade aluminum-alloy body with curved glass | Stainless-steel bezel, polymer middle frame and tempered-glass touchscreen |
| Wrist size | 155–218 mm | 135–195 mm |
| Strap / band | 22 mm quick-release leather or fluoroelastomer strap with classic pin buckle | 20 mm quick-release silicone strap with classic pin buckle |
| Controls / buttons | Two physical buttons including a rotating navigation crown, plus touchscreen | Two physical buttons and touchscreen |
| Display | ||
| Display | 1.45-inch AMOLED touchscreen | 1.32-inch AMOLED touchscreen |
| Screen resolution | 480 × 480 pixels, 331 ppi | 466 × 466 pixels, 353 ppi |
| Display protection | Tempered glass with anti-fingerprint coating | Tempered glass with anti-fingerprint coating |
| Display features | Always-on display and more than 150 watch faces | Up to 2,000 nits peak brightness; peak brightness is unavailable below 30% battery |
| Performance & software | ||
| Operating system | Zepp OS | — |
| Connectivity | ||
| Wi-Fi | 2.4 GHz Wi-Fi | — |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 BLE |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and QZSS | Built-in five-satellite positioning with circularly polarized antenna |
| Audio & communication | ||
| Speaker | Built-in speaker | Built-in speaker |
| Microphone | Built-in microphone | Built-in microphone |
| Calling | Bluetooth calling when paired with a compatible phone | Bluetooth calling when paired with a compatible phone |
| Sensors, health & fitness | ||
| Sensors | BioTracker 3.0 PPG sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | BioTracker 6.0 PPG biometric sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, breathing rate, PAI and one-tap health measurement; wellness readings are not intended for medical diagnosis | Heart rate, blood oxygen, stress, readiness, HRV, PAI and temperature insights; wellness measurements are not intended for medical diagnosis |
| Sleep tracking | Sleep stages, sleep breathing quality and naps | Sleep stages, naps, sleep score and HRV-based recovery insights |
| Sports / workout modes | More than 150 sports modes with automatic recognition of eight sports | More than 160 sports modes, including HYROX Race |
| Training & outdoor features | PeakBeats workout analysis, route tracking and built-in five-system positioning | Zepp Coach, recovery and conditioning insights, five-system positioning and route/navigation tools |
| Battery & durability | ||
| Battery capacity | 450 mAh typical | 270 mAh rated |
| Battery life | Up to 12 days typical use, 30 days battery saver, 6 days heavy use or 35 hours continuous GPS | Up to 10 days typical use, 19 days battery-saver mode, 5 days heavy use or 21 hours continuous GPS |
| Charging | Magnetic charging base; approximately 2 hours | Magnetic charging base; approximately 2 hours |
| Water resistance | 5 ATM | 5 ATM |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 12.0 or later | Compatible Android and iOS phones supported by the Zepp app |
| Companion app | Zepp app | Zepp app |
| Colors | Brown Leather or Infinite Black | Black case; Red or Black silicone strap |
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