Amazfit T-Rex Ultra vs Apple Watch SE (2022)
The Verdict
Amazfit T-Rex Ultra and Apple Watch SE 2022 serve different user priorities. T-Rex Ultra excels in battery longevity with up to 20 days typical use and 80 hours GPS, plus SpO2 monitoring and rugged 10 ATM water resistance suited for diving. Its AMOLED display offers vivid visuals with always-on capability. However, Apple Watch SE 2022 delivers superior ecosystem integration, faster S8 processor, NFC for payments, Wi-Fi connectivity, and upgradeable watchOS software through version 11+. SE 2022 battery lasts only 18 hours but charges quickly via USB-C. SE 2022 excels for iPhone users prioritizing app variety and seamless integration; T-Rex Ultra suits outdoor enthusiasts and those needing extended battery life between charges. For most users seeking smartwatch versatility, Apple Watch SE 2022 offers better value and software support, though T-Rex Ultra wins for adventure sports and battery endurance.
Who Should Buy
Buy the Amazfit T-Rex Ultra if…
- →Excellent 20-day battery life with always-on display
- →Dual-band six-satellite GPS for high accuracy
- →Rugged design with 15 military-grade certifications
Buy the Apple Watch SE (2022) if…
- →Same S8 chip as Series 8 at $150 less — best value Apple Watch
- →Crash Detection included at this price point
- →Lightweight nylon-reinforced composite back is comfortable on the wrist
Category Scores
Pros & Cons
Amazfit T-Rex Ultra
Pros
- Excellent 20-day battery life with always-on display
- Dual-band six-satellite GPS for high accuracy
- Rugged design with 15 military-grade certifications
- Free-diving rated to 45 meters
- Offline maps with route import support
Cons
- No ECG, skin temperature, or NFC payments
- No Wi-Fi or cellular connectivity
- Zepp OS app ecosystem is limited
- Heavier than most smartwatches at 89g
- No third-party app store
Apple Watch SE (2022)
Pros
- Same S8 chip as Series 8 at $150 less — best value Apple Watch
- Crash Detection included at this price point
- Lightweight nylon-reinforced composite back is comfortable on the wrist
- Family Setup lets kids use it without an iPhone
- Full access to the Apple Watch app ecosystem
Cons
- No Always-On display — screen goes dark when wrist is lowered
- No ECG, SpO2, or skin temperature sensors
- Thicker bezels than Series 8 make the screen feel smaller
- 18-hour battery still requires nightly charging
Full Specifications
| Spec | Amazfit T-Rex Ultra | Apple Watch SE (2022) |
|---|---|---|
| Software | Zepp OS 2.0 | watchOS 9 (upgradable to watchOS 11+) |
| Body | ||
| Weight | 89 g | 26.8 g (40mm) / 33 g (44mm) |
| Case material | Stainless steel bezel, fiber-reinforced polymer case | Aluminum |
| Water resistance | 10 ATM, ISO 22810 certified for free-diving to 45m | WR50 (50m) |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 20 days typical use, 80 hours GPS | Up to 18 hours |
| Display | ||
| Size | 1.39 inch | 40mm / 44mm |
| Type | AMOLED | LTPO OLED Retina |
| Always-on display | ||
| Resolution | 454 x 454 | 324 x 394 / 368 x 448 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.3 |
| Processor | ||
| Chipset | — | Apple S8 SiP |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Amazfit products or all Apple products. View full details for the Amazfit T-Rex Ultra or the Apple Watch SE (2022).

