In depth comparison and review of Samsung Gear S2 and Amazfit T-Rex 2. 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 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | Zepp OS |
| Supported Host Device OS | Android 4.4 (KitKat) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Width | 39.9 mm | 47.1 mm |
| Height | 43.6 mm | 47.1 mm |
| Depth | 11.4 mm | 13.65 mm |
| Weight | 42 g | 66.5 g |
| Body Material | Stainless steel | Polymer |
| Protection | Dustproof, waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric 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, sleep stages, stress level, menstrual cycle |
| Modes | - | 150+ sports modes |
| Goal Setting | - | Yes |
| Features | Call handling, find phone function, voice control | Camera remote control, find phone function, flashlight, alarm, realtime location tracking, weather information, event reminders, PAI Health Assessment System, pomodoro timer, stopwatch timer, PeakBeats workout status algorithm, OxygenBeats algorithm, ExerSense algorithm, SomnusCare, Dual-band navigation |
| Notifications | SMS | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Navigation (GPS) | - | GPS receiver |
| CELLULAR | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | Bluetooth 5.0 BLE |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 454 x 454 pixels |
| Screen Size | 1.2" | 1.39" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 302 ppi | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, touch buttons |
|---|
| CASE | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Black | Rose gold | Blue black | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 140-205 mm |
| Clasp Type | - | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Black | Ivory | Ember black | Wild green | Desert khaki |
| STORAGE | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | 250 mAh | 500 mAh |
| Battery Life | 3 day(s) | 24 day(s) |
| Battery Life Details | Low usage - up to 4 days | Typical usage - up to 24 days Battery safe mode - up to 45 days Heavy usage - up to 10 days Accurate mode (with GPS) - up to 26 hour(s) Balanced mode (with GPS) - up to 50 hour(s) Power saving mode (with GPS) - up to 58 hour(s) Ultra-low temperature (with GPS) - up to 10 hour(s) Ultra-low temperature (without GPS) - up to 9 days |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Amazfit T-Rex 2 |
|---|
| 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 | Zepp App |
| Compliant Standards | IP68 | MIL-STD 810G |
| Max Depth of Water Resistance | - | 100 m |
| Manufacturer Model Number | SM-R732 | - |
| Warranty | - | 1-year warranty |
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