In depth comparison and review of Samsung Gear S3 Classic 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 | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | - |
| Supported Host Device OS | Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 46 mm | - |
| Height | 49 mm | - |
| Depth | 12.9 mm | - |
| Weight | 57 g | - |
| Body Details | - | With band: 59.4 g |
| Body Material | Stainless steel | Polycarbonate |
| Protection | Dustproof, waterproof | Water-resistant, temperature protection, salt fog protection, freezeproof |
| Colours | - | Desert grey |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, altimeter, gyro sensor, 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, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation |
| Goal Setting | Yes | Yes |
| Features | Find phone function, making a call | Music remote handling, event reminders |
| Notifications | - | SMS, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| CONNECTIVITY | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.2 | Bluetooth 5.0 |
|---|
| DISPLAY | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 360 x 360 pixels |
| Screen Size | 1.3" | 1.3" |
| Screen Protection | Corning Gorilla Glass SR+ (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Case Size | 46 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Silver | Meteorite black | Steel blue |
| BAND | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Width | - | 22 mm |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone rubber |
| Band Colour | Black | Meteorite black | Blue steel |
| STORAGE | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| RAM Size | 768 MB | - |
|---|
| CPU | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 7270 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 380 mAh | 390 mAh |
| Battery Life | 4 day(s) | 18 day(s) |
| Battery Life Details | - | 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) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S3 Classic | Amazfit T-Rex Pro |
|---|
| Included Accessories | Power adapter, wireless charging dock | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Stopwatch, Contacts, E-mail, Messages, Music Player, Alarm, Phone, Gallery, Weather, Navigation, Timer, Bloomberg | - |
| Compliant Standards | MIL-STD 810G, IP68 | - |
| Max Depth of Water Resistance | - | 100 m |
| Max Operating Temperature | - | 70 °C |
| Min Operating Temperature | - | -40 °C |
| Manufacturer Model Number | SM-R770 | - |
| Warranty | - | 1-year warranty |
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