Amazfit T-Rex Ultra 2: specs, who it fits and compatible phones
Amazfit T-Rex Ultra 2 is a sport watch released in 2026 that works with iPhone and Android. It lists Dual-band GNSS + maps, 10ATM and Sapphire.
Specifications
| Release year | 2026 |
|---|---|
| Case size | 48 mm |
| Display | AMOLED |
| Battery as listed | Up to 30 days · 50+ GPS hours |
| Water rating | 10ATM |
| Glass | Sapphire |
| Case material | Grade-5 titanium bezel and back |
| GPS type | Dual-band GNSS + maps |
| Offline maps | Yes |
| Operating system | Zepp OS 6 |
| Works with | iPhone and Android |
| Connection | None |
| Plan needed | None |
| Health sensors | SpO2, HRV, Skin temperature, Readiness score |
| Safety features | SOS |
Who it fits
- Works with iPhone and Android.
- Lists dual-band GPS and offline maps, which suits running and hiking.
- Lists a battery above the median of 43 listed sport watch models.
How it compares
Closest models from Amazfit
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Amazfit T-Rex Dual Solar | 2026 | 51.4 mm | Up to 25 days · 34 with sun | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Amazfit Cheetah 2 Ultra | 2026 | 47 mm (approx.) | Up to 30 days · 60 GPS hours continuous | 5ATM (approx.) | Dual-band GNSS + maps | iOS and Android |
| Amazfit T-Rex 3 Pro | 2025 | 48 mm | 25 days (approx.) | 10ATM | Dual-band GNSS + maps | iOS and Android |
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Huawei Watch GT 7 Pro | 2026 | 46 mm | Up to 12 days · 21 light-use | 5ATM | Dual-band GNSS + maps | iOS and Android |
| Suunto Run 2 | 2026 | 46 mm | Up to 10 days | 5ATM | Dual-band GNSS + maps | iOS and Android |
| Garmin tactix 8 Cerakote Edition | 2026 | 51 mm | Up to 29 days | 10ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Amazfit T-Rex Dual Solar, Amazfit T-Rex Ultra 2 lists a smaller case (48 mm against 51.4 mm) and Grade-5 titanium bezel and back case material, where Amazfit T-Rex Dual Solar lists Grade 5 titanium.
Compared with Amazfit T-Rex 3 Pro, Amazfit T-Rex Ultra 2 lists a newer release year (2026 against 2025) and Grade-5 titanium bezel and back case material, where Amazfit T-Rex 3 Pro lists Titanium.
Compared with Huawei Watch GT 7 Pro, Amazfit T-Rex Ultra 2 lists a higher ATM rating (10 against 5) and Grade-5 titanium bezel and back case material, where Huawei Watch GT 7 Pro lists Titanium + nano-crystal ceramic.
Compared with Suunto Run 2, Amazfit T-Rex Ultra 2 lists a higher ATM rating (10 against 5), Grade-5 titanium bezel and back case material, where Suunto Run 2 lists Stainless steel bezel and Sapphire glass, where Suunto Run 2 lists Gorilla Glass.
Compared with Garmin tactix 8 Cerakote Edition, Amazfit T-Rex Ultra 2 lists a smaller case (48 mm against 51 mm) and Grade-5 titanium bezel and back case material, where Garmin tactix 8 Cerakote Edition lists Cerakote-coated titanium.
Only values listed exactly are compared.
Position in the catalog
Its case size of 48 mm is larger than 50% of 30 sport watches with a single exact size. Its exact water rating of 10ATM is above 43% of 47 sport watches with a single exact ATM rating. It was released in 2026. Among 52 sport watches with an exact release year, 100% were released in 2026 or earlier and 31% were released in 2026 or later.
Phone compatibility and plan
No plan is listed as needed.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Amazfit smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology