Amazfit T-Rex 3
AMOLED · 27-day battery · Multi-band GPS
Apple Watch Ultra 3
S10 chip · 49 mm titanium · 3000 nits
Apple Watch Ultra 3 takes it — here’s why.
In our weighted Specdex score, Amazfit T-Rex 3 lands at 88 and Apple Watch Ultra 3 at 94. That puts Apple Watch Ultra 3 ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Amazfit T-Rex 3 if…
- ✓27-day battery life
- ✓Multi-band GPS at $299
- ✓Free Zepp app — no subscription
Pick Apple Watch Ultra 3 if…
- ✓49 mm titanium chassis
- ✓3000 nit peak display
- ✓Up to 42 hours normal use
Winner by scenario
Derived from the sub-score breakdown · not a separate testDurability
Apple Watch Ultra 3Compared on the durability sub-score
Apple Watch Ultra 3 leads on durability (96 vs 92).
Battery
Amazfit T-Rex 3Compared on the battery sub-score
Amazfit T-Rex 3 leads on battery (100 vs 84).
Display
Apple Watch Ultra 3Compared on the display sub-score
Apple Watch Ultra 3 leads on display (96 vs 88).
Value for money
Amazfit T-Rex 3Specdex score per dollar at MSRP
Amazfit T-Rex 3 more score per dollar ($299 vs $799).
Score breakdown
Specs side-by-side
| Spec | Amazfit T-Rex 3 | Apple Watch Ultra 3 |
|---|---|---|
| Case | 48 mm steel + plastic | 49 mm titanium |
| Display | 1.5″ AMOLED, 480×480 | ▲ Up to 3000 nits |
| Chipset | Custom MCU | — |
| Battery | 27 days standard / 7 days heavy use | ▲ Up to 42 hours; up to 72 hours in Low Power Mode |
| Connectivity | GPS multi-band, BT 5.2 | — |
| Water resist | 10 ATM + IP69K | — |
| Chip | — | Apple S10 chip |
| Water resistance | — | 100 m (ISO 22810:2010) |
| Starting price | — | $799 |
Amazfit T-Rex 3
- +27-day battery life
- +Multi-band GPS at $299
- +Free Zepp app — no subscription
- −App polish trails Garmin
- −Limited third-party apps
- −No LTE option
Apple Watch Ultra 3
- +49 mm titanium chassis
- +3000 nit peak display
- +Up to 42 hours normal use
- −Same chassis as Ultra 2
- −Expensive at $799
- −Battery only extends to 72 h in low-power
FAQ: Amazfit T-Rex 3 vs Apple Watch Ultra 3
Which is better, Amazfit T-Rex 3 or Apple Watch Ultra 3? +
Apple Watch Ultra 3 scores 94 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is Amazfit T-Rex 3 worth the price? +
At $299, Amazfit T-Rex 3 delivers a Specdex score of 88 — strongest in battery.
Is Apple Watch Ultra 3 worth the price? +
At $799, Apple Watch Ultra 3 delivers a Specdex score of 94 — strongest in display.
Does Amazfit T-Rex 3 or Apple Watch Ultra 3 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for durability, Amazfit T-Rex 3 or Apple Watch Ultra 3? +
Apple Watch Ultra 3 — leads on durability (96 vs 92). Compared on the durability sub-score.
Which is better for battery, Amazfit T-Rex 3 or Apple Watch Ultra 3? +
Amazfit T-Rex 3 — leads on battery (100 vs 84). Compared on the battery sub-score.