In depth comparison and review of Samsung Gear S2 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 S2 | Amazfit T-Rex Pro |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | - |
| Supported Host Device OS | Android 4.4 (KitKat) or later | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Width | 39.9 mm | - |
| Height | 43.6 mm | - |
| Depth | 11.4 mm | - |
| Weight | 42 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 S2 | Amazfit T-Rex Pro |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, 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 |
| Features | Call handling, find phone function, voice control | Music remote handling, event reminders |
| Notifications | SMS | SMS, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| CELLULAR | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 360 x 360 pixels |
| Screen Size | 1.2" | 1.3" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 302 ppi | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Black | Rose gold | Blue black | Meteorite black | Steel blue |
| BAND | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Width | 20 mm | 22 mm |
| Clasp Type | - | Buckle |
| Band Material | Leather | Silicone rubber |
| Band Colour | Black | Ivory | Meteorite black | Blue steel |
| STORAGE | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | 250 mAh | 390 mAh |
| Battery Life | 3 day(s) | 18 day(s) |
| Battery Life Details | Low usage - up to 4 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) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Amazfit T-Rex Pro |
|---|
| Included Accessories | Power adapter, wireless charging dock | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | - |
| Compliant Standards | IP68 | - |
| Max Depth of Water Resistance | - | 100 m |
| Max Operating Temperature | - | 70 °C |
| Min Operating Temperature | - | -40 °C |
| Manufacturer Model Number | SM-R732 | - |
| Warranty | - | 1-year warranty |
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