Amazfit T-Rex 3 Pro: specs, who it fits and compatible phones
Amazfit T-Rex 3 Pro is a sport watch released in 2025 that works with iPhone and Android. It lists Dual-band GNSS + maps, 10ATM and Sapphire.
Specifications
| Release year | 2025 |
|---|---|
| Case size | 48 mm |
| Display | AMOLED |
| Brightness | 3000 nits |
| Battery as listed | 25 days (approx.) |
| Water rating | 10ATM |
| Glass | Sapphire |
| Case material | Titanium |
| GPS type | Dual-band GNSS + maps |
| Offline maps | Yes |
| Operating system | Zepp OS |
| 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 SOS or fall detection, see our guide for older adults.
How it compares
Closest models from Amazfit
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Amazfit T-Rex Ultra 2 | 2026 | 48 mm | Up to 30 days · 50+ GPS hours | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Amazfit T-Rex 3 | 2024 | 48.5 mm | Up to 27 days in regular mode · up to 40 days in saver mode | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Amazfit T-Rex Dual Solar | 2026 | 51.4 mm | Up to 25 days · 34 with sun | 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 |
|---|---|---|---|---|---|---|
| Garmin Forerunner 970 | 2025 | 47 mm | Up to 15 days | 5ATM | Dual-band GNSS + maps | iOS and Android |
| Suunto Vertical 2 | 2025 | 49 mm | Up to 20 days · 65 GPS hours dual-band | 10ATM | Dual-band GNSS + maps | iOS and Android |
| COROS NOMAD | 2025 | 46 mm | Up to 22 days; 50 hours All-Systems GPS | 5ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Amazfit T-Rex Ultra 2, Amazfit T-Rex 3 Pro lists an older release year (2025 against 2026) and Titanium case material, where Amazfit T-Rex Ultra 2 lists Grade-5 titanium bezel and back.
Compared with Amazfit T-Rex 3, Amazfit T-Rex 3 Pro lists a newer release year (2025 against 2024), a brighter listed display (3000 nits against 2000) and Titanium case material, where Amazfit T-Rex 3 lists Stainless bezel, polymer frame.
Compared with Amazfit T-Rex Dual Solar, Amazfit T-Rex 3 Pro lists a smaller case (48 mm against 51.4 mm), an older release year (2025 against 2026) and Titanium case material, where Amazfit T-Rex Dual Solar lists Grade 5 titanium.
Compared with Garmin Forerunner 970, Amazfit T-Rex 3 Pro lists a higher ATM rating (10 against 5) and Titanium case material, where Garmin Forerunner 970 lists Titanium bezel.
Compared with Suunto Vertical 2, Amazfit T-Rex 3 Pro lists a brighter listed display (3000 nits against 2000) and Titanium case material, where Suunto Vertical 2 lists Stainless steel / grade-5 titanium.
Compared with COROS NOMAD, Amazfit T-Rex 3 Pro lists a higher ATM rating (10 against 5).
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 2025. Among 52 sport watches with an exact release year, 69% were released in 2025 or earlier and 69% were released in 2025 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