Amazfit T-Rex 3 vs Fitbit Sense 2
Compare specifications, current prices and availability. Choose up to four products from the same family.
Add up to 2 more items to compare
Apple Watch SE 2 Price range: KSh 28,500.00 through KSh 32,000.00
AmazFit Balance Original price was: KSh 26,500.00.KSh 22,000.00Current price is: KSh 22,000.00.
AmazFit Falcon Original price was: KSh 70,000.00.KSh 63,000.00Current price is: KSh 63,000.00.
AmazFit Cheetah Original price was: KSh 35,000.00.KSh 28,000.00Current price is: KSh 28,000.00.
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit T-Rex 3 |  Fitbit Sense 2 |
|---|---|---|
| Price | KSh 33,000.00 | KSh 29,500.00 |
| Display | 1.5-inch AMOLED touchscreen | AMOLED |
| Battery capacity | 700 mAh rated | — |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | Water resistant to 50 m for suitable shallow-water use |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in GPS and GLONASS |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis |
Full specifications
2 of 4 products
| Specification | Amazfit T-Rex 3 | Fitbit Sense 2 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Fitbit |
| Model | T-Rex 3 | Fitbit Sense 2 |
| Announced | — | August 2022 |
| Dimensions | 48.5 × 48.5 × 13.75 mm (heart-rate sensor base excluded) | 40.5 × 40.5 × 11.2 mm |
| Weight | 68.3 g without strap | 37.64 g |
| Build materials | Stainless-steel bezel, polymer middle frame and Gorilla Glass touchscreen | Aluminum watch case and buckle; Corning Gorilla Glass 3 |
| Wrist size | 145–210 mm | Small: 130–180 mm; large: 165–220 mm; both sizes included |
| Strap / band | 22 mm liquid-silicone strap with classic pin buckle | Flexible classic sport band; small and large sizes included |
| Controls / buttons | Four physical buttons and touchscreen | Side button and AMOLED touchscreen |
| Display | ||
| Display | 1.5-inch AMOLED touchscreen | AMOLED |
| Screen resolution | 480 × 480 pixels, 322 ppi | — |
| Display protection | Gorilla Glass | Corning Gorilla Glass 3 |
| Display features | Up to 2,000 nits peak brightness; always-on display and more than 400 watch faces | Always-on display supported; increases power use |
| Connectivity | ||
| Wi-Fi | 2.4 GHz Wi-Fi | Wi-Fi hardware present but deactivated and cannot be enabled |
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth Low Energy |
| NFC | — | Built-in NFC; supported payment features vary by country and bank |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in GPS and GLONASS |
| Audio & communication | ||
| Speaker | — | Built-in speaker, rated 75 dB SPL at 10 cm |
| Microphone | Built-in microphone | Built-in microphone |
| Calling | Zepp Flow voice control and speech-to-text replies when paired with a supported phone | On-wrist Bluetooth calling features depend on phone, app and region support |
| Sensors, health & fitness | ||
| Sensors | BioTracker 6.0 PPG biometric sensor with blood-oxygen support, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | Multi-path optical heart-rate sensor; cEDA skin-conductance sensor; multipurpose electrical sensors compatible with ECG and EDA apps; red and infrared SpO₂ sensors; gyroscope; altimeter; 3-axis accelerometer; skin-temperature sensor; ambient-light sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis |
| Sleep tracking | Sleep stages, naps, sleep score, breathing quality and recovery insights | Sleep stages, sleep score and overnight wellness tracking |
| Sports / workout modes | More than 170 sports modes | Exercise tracking with SmartTrack automatic exercise recognition; steps, distance, calories and Cardio Fitness Score |
| Training & outdoor features | Offline maps and navigation, GPS privacy controls, Zepp Coach and advanced running/outdoor metrics | — |
| Diving / depth features | Freediving support to 45 m under applicable certification | — |
| Battery & durability | ||
| Battery capacity | 700 mAh rated | — |
| Battery life | Up to 27 days typical use, 40 days battery saver, 13 days heavy use, 42 hours accurate GPS or 180 hours maximum GPS | More than 6 days; up to 5 hours with continuous GPS; always-on display, SpO2 and cEDA increase power use |
| Charging | Magnetic charging base; approximately 3 hours; USB-C cable is not included | Proprietary charging cable; about one day of battery from 12 minutes of fast charging |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | Water resistant to 50 m for suitable shallow-water use |
| Durability / certifications | EN 13319, ISO 6425 and GB/T 18828 certification for freediving to 45 m; operating range includes -30°C to 70°C | 5 ATM under ISO 22810:2010 |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 14.0 or later | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required |
| Companion app | Zepp app | Google Health app |
| Colors | Onyx, Lava or Haze Gray | Shadow Grey / Graphite Aluminum; Lunar White / Platinum Aluminum; Blue Mist / Soft Gold Aluminum |
Related comparisons
Apple Watch SE 2Amazfit T-Rex 3AmazFit BalanceAmazfit T-Rex 3AmazFit FalconAmazfit T-Rex 3AmazFit CheetahAmazfit T-Rex 3
OnePlus Watch 2Amazfit T-Rex 3
Google Pixel Watch 3Amazfit T-Rex 3
OnePlus Watch 2RAmazfit T-Rex 3Amazfit T-Rex 3
Huawei Watch GT 5 ProAmazfit T-Rex 3
Huawei Watch GT 6Amazfit T-Rex 3
Huawei Watch GT 6 Pro