In depth comparison and review of Samsung Galaxy Watch Active 2 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 Active 2 | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | 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 | - |
| Width | 40 mm | 47.1 mm |
| Height | 40 mm | 47.1 mm |
| Depth | 10.9 mm | 13.65 mm |
| Weight | 26 g | 66.5 g |
| Body Material | Aluminium | Polymer |
| Protection | Waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, stress level | 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 | Music remote handling, camera remote control, automatic exercise recognition, Wireless PowerShare support | 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, social apps, incoming calls | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface, rotating bezel | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS receiver |
| CONNECTIVITY | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | 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 Active 2 | 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 |
| Screen Protection | Corning Gorilla Glass DX+ (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, touch buttons |
|---|
| CASE | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Pink gold aluminium | Aqua black aluminium | Cloud silver aluminium | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 140-205 mm |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | Mod grey | Pink gold | Aqua black | Cloud silver | Ember black | Wild green | Desert khaki |
| STORAGE | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.4 GB | - |
| RAM | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| RAM Size | 768 MB | - |
|---|
| CPU | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 9110 | - |
| Clock Speed | 1.15 GHz | - |
| BATTERY | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Capacity | 247 mAh | 500 mAh |
|---|---|---|
| Battery Life | - | 24 day(s) |
| Battery Life Details | Typical usage - up to 43 hour(s) Low usage - up to 95 hour(s) |
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 | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC | - |
| MISCELLANEOUS | Samsung Galaxy Watch Active 2 | Amazfit T-Rex 2 |
|---|
| Included Accessories | Wireless charging dock | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Smart Caddi | Zepp App |
| Compliant Standards | MIL-STD 810G, IP68 | MIL-STD 810G |
| SAR Value | 0.041 W/kg (head), 0.101 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 100 m |
| Manufacturer Model Number | SM-R830 | - |
| Warranty | 1-year warranty | 1-year warranty |
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