T-Rex Ultra 2 vs T-Rex 3 Pro
6 of 9 tracked specs changed between 2025-09 and 2026-02; launch price moved from $399.99 to $549.99.
What changed: display, weight, battery (smartwatch), battery (gps), mic + speaker, signature.
| T-Rex Ultra 22026-02 | T-Rex 3 Pro2025-09 | |
|---|---|---|
| Launch price | $549.99 | $399.99 |
| Display | 1.5″ AMOLED | 1.5″ AMOLED, 2000 nits |
| Weight | 89.2 g | — |
| Battery (smartwatch) | 30 days | 25 days |
| Battery (GPS) | 50 h; 177 h max | — |
| Dual-band GNSS | Yes | Yes |
| Offline maps | Yes | Yes |
| Water rating | 10 ATM | 10 ATM |
| Mic + speaker | — | Yes |
| Signature | 30-day battery in the 2nd-gen ultra | Titanium build with a speaker |
Battery figures are launch-day claims.