In depth comparison and review of Garmin vívoactive 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 | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 43.4 mm | - |
| Height | 43.4 mm | - |
| Depth | 11.7 mm | - |
| Weight | 43 g | - |
| Body Details | - | With band: 59.4 g |
| Body Material | - | Polycarbonate |
| Protection | Waterproof | Water-resistant, temperature protection, salt fog protection, freezeproof |
| Colours | - | Desert grey |
| Clock Display | Yes | Yes |
| FEATURES | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Sensors | Accelerometer, digital compass, thermometre, altimeter, heart rate, VO2 max | Ambient light sensor, 3-axis gyro sensor, geomagnetic sensor, barometric altimeter, 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, pace, stress level | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, call alerts, Bluetooth Smart technology, automatic exercise recognition, VIRB control, Move IQ, Side Swipe interface, Find my Device, Downloadable workouts | Music remote handling, event reminders |
| Notifications | Calendar, SMS, Email | SMS, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| Payment Technology | Garmin Pay | - |
| CONNECTIVITY | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Wireless Interface | Bluetooth 4.0, ANT+/ANT | Bluetooth 5.0 |
|---|
| DISPLAY | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 360 x 360 pixels |
| Screen Size | 1.2" | 1.3" |
| Aspect Ratio | Full circle | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Bezel | Stainless steel | - |
| Case Back | Glass fibre reinforced polymer | - |
| Case Details | Stainless steel | Rose gold | Gunmetal | Meteorite black | Steel blue |
| BAND | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Width | 20 mm | 22 mm |
| Fits Wrist with Circumference | 127-204 mm | - |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone rubber |
| Band Colour | Black | White | Meteorite black | Blue steel |
| BATTERY | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | - | 390 mAh |
| Battery Life | 8 day(s) | 18 day(s) |
| Battery Life Details | Navigation tracking - up to 13 hour(s) Typical usage - up to 8 days |
Typical usage - up to 18 days Heavy usage - up to 9 days GPS mode - up to 40 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 1.5 hour(s) |
| MISCELLANEOUS | Garmin vívoactive 3 | Amazfit T-Rex Pro |
|---|
| Included Accessories | Charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmin Heartbeat, CONNECT IQ | - |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 70 °C |
| Min Operating Temperature | - | -40 °C |
| Warranty | 1-year warranty | 1-year warranty |
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