In depth comparison and review of Samsung Galaxy Watch 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 Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS 4.0 | Zepp OS |
| Supported Host Device OS | iOS 9 or later, Android 5.0 (Lollipop) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 41.7 mm | 47.1 mm |
| Height | 45.7 mm | 47.1 mm |
| Depth | 12.6 mm | 13.65 mm |
| Weight | 49 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 Galaxy Watch | 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 | Yes |
| Features | Find phone function | 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 | - | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, WMA, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | - | GPS receiver |
| CONNECTIVITY | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.2 | Bluetooth 5.0 BLE |
|---|---|---|
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch | 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" |
| Pixel Density | - | 326 ppi |
| Colour Depth | 24-bit (16.7 million colours) | - |
| Screen Protection | Corning Gorilla Glass DX+ (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, touch buttons |
|---|
| CASE | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Case Size | 42 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Rose gold | Midnight black | Gold | Black | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 140-205 mm |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | - | Ember black | Wild green | Desert khaki |
| STORAGE | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| RAM Size | 750 MB | - |
|---|
| CPU | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Clock Speed | 1.15 GHz | - |
|---|
| BATTERY | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Capacity | 270 mAh | 500 mAh |
|---|---|---|
| Battery Life | 4 day(s) | 24 day(s) |
| Battery Life Details | Typical usage - up to 4 days Audio playback - up to 8.4 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 |
| Standby Time | 6 days | - |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Galaxy Watch | Amazfit T-Rex 2 |
|---|
| Included Accessories | Power adapter, wireless charging dock, wristband (Large), wristband (Small) | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Stopwatch, Contacts, E-mail, Messages, Music Player, Alarm, Phone, Gallery, Weather, Navigation, Timer, Bloomberg | Zepp App |
| Compliant Standards | MIL-STD 810G, IP68 | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Manufacturer Model Number | SM-R810 | - |
| Warranty | 1-year warranty | 1-year warranty |
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