In depth comparison and review of Suunto 3 and Amazfit T-Rex Pro. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Activity/Sport | Running, swimming, cycling | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 43 mm | - |
| Height | 43 mm | - |
| Weight | 36 g | - |
| Body Details | - | With band: 59.4 g |
| Body Material | ABS case | Polycarbonate |
| Protection | Waterproof | Water-resistant, temperature protection, salt fog protection, freezeproof |
| Colours | Light gold, pebble white | Desert grey |
| Clock Display | Yes | Yes |
| FEATURES | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Sensors | Accelerometer, heart rate | Ambient light sensor, 3-axis gyro sensor, geomagnetic sensor, barometric altimeter, 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken, cadence, stress level, lap time | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation |
| Modes | Exercise mode | - |
| Goal Setting | Yes | Yes |
| Features | GPS via mobile, sunrise/sunset times, weather information | Music remote handling, event reminders |
| Notifications | - | SMS, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| Keypad Lock | Yes | - |
| CONNECTIVITY | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.0 |
|---|
| DISPLAY | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Type | LED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 218 x 218 pixels | 360 x 360 pixels |
| Screen Size | - | 1.3" |
| Screen Protection | - | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Crystal Type | Polyamide | - |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | Stainless steel | - |
| Case Details | Slate grey | Slate grey/copper | Moss grey | Granite red | Black | Meteorite black | Steel blue |
| BAND | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Band Type | Strap | Band |
|---|---|---|
| Band Width | 20 mm | 22 mm |
| Fits Wrist with Circumference | 120-210 mm | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone rubber |
| Band Colour | Slate grey | Moss grey | Granite red | Black | Meteorite black | Blue steel |
| BATTERY | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | - | 390 mAh |
| Battery Life | 5 day(s) | 18 day(s) |
| Battery Life Details | Training mode/GPS off - up to 40 hour(s) Training mode/GPS on - up to 30 hour(s) |
Typical usage - up to 18 days Heavy usage - up to 9 days GPS mode - up to 40 hour(s) |
| Standby Time | 10 days | - |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 1.5 hour(s) |
| MISCELLANEOUS | Suunto 3 | Amazfit T-Rex Pro |
|---|
| Included Accessories | USB charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Stopwatch, Alarm Clock | - |
| Max Depth of Water Resistance | 30 m | 100 m |
| Max Operating Temperature | 60 °C | 70 °C |
| Min Operating Temperature | -20 °C | -40 °C |
| Warranty | - | 1-year warranty |
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