In depth comparison and review of Amazfit T-Rex Pro and Apple Watch Ultra. 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 | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) or later | iOS 16 or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Three-microphone array |
| Audio Output | - | Dual speakers |
| Body Details | With band: 59.4 g | Case only: 61.3 g |
| Body Material | Polycarbonate | Aerospace-grade titanium |
| Protection | Water-resistant, temperature protection, salt fog protection, freezeproof | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Colours | Desert grey | - |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Sensors | Ambient light sensor, 3-axis gyro sensor, geomagnetic sensor, barometric altimeter, 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor | Accelerometer, ambient light sensor, digital compass, depth gauge, electrical heart sensor, ECG sensor, blood oxygen sensor, gyroscope, water temperature sensor, temperature sensing, optical heart sensor (3d gen), always-on altimeter |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM), depth |
| Modes | - | Night mode |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, event reminders | Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, brightness: 2000 nits, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint |
| Notifications | SMS, incoming calls, applications | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 8, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | Bluetooth 5.0 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Type | AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 410 x 502 pixels |
| Screen Size | 1.3" | - |
| Screen Protection | Tempered glass | Flat sapphire front crystal with display edge protection |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button |
|---|
| CASE | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Case Size | - | 49 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Details | Meteorite black | Steel blue | Titanium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Band Type | Band | Alpine Loop |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 130-160 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | G-hook |
| Band Material | Silicone rubber | Textile |
| Band Colour | Meteorite black | Blue steel | Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight |
| STORAGE | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Storage Capacity | - | 32 GB |
|---|
| CPU | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S8 SiP |
| Features | - | W3 Apple wireless chip, U1 chip |
| BATTERY | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | 390 mAh | - |
| Battery Life | 18 day(s) | 36 hours |
| Battery Life Details | Typical usage - up to 18 days Heavy usage - up to 9 days GPS mode - up to 40 hour(s) |
Normal use - up to 36 hour(s) With LTE - up to 18 hour(s) Power saving mode - up to 60 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 1.5 hour(s) | - |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Amazfit T-Rex Pro | Apple Watch Ultra |
|---|
| Included Accessories | Magnetic charging dock | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | GymKit, Oceanic+ |
| Compliant Standards | - | IP6X, MIL-STD-810H, EN13319 |
| SAR Value | - | 0.35 W/kg (head), 0.6 W/kg (limb) |
| Max Depth of Water Resistance | 100 m | 100 m |
| Max Operating Temperature | 70 °C | 55 °C |
| Min Operating Temperature | -40 °C | -20 °C |
| Manufacturer Model Number | - | A2684 |
| Warranty | 1-year warranty | 1-year warranty |
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