Amazfit T-Rex 3
AMOLED · 27-day battery · Multi-band GPS
Apple Watch Ultra 2 Aluminum 45mm
2023 · Fitness + health
Apple Watch Ultra 2 Aluminum 45mm takes it — here’s why.
In our weighted Specdex score, Amazfit T-Rex 3 lands at 88 and Apple Watch Ultra 2 Aluminum 45mm at 93. That puts Apple Watch Ultra 2 Aluminum 45mm ahead by 5 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 2 Aluminum 45mm if…
- ✓Multi-day fitness tracking
- ✓GPS + heart rate
- ✓Notification mirroring
Winner by scenario
Derived from the sub-score breakdown · not a separate testDurability
Amazfit T-Rex 3Compared on the durability sub-score
Amazfit T-Rex 3 leads on durability (92 vs 86).
Health
Apple Watch Ultra 2 Aluminum 45mmCompared on the health sub-score
Apple Watch Ultra 2 Aluminum 45mm leads on health (91 vs 86).
Display
TieCompared on the display sub-score
Effectively tied — neither pulls a 2-point weighted lead.
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 2 Aluminum 45mm |
|---|---|---|
| Case | 48 mm steel + plastic | — |
| Display | 1.5″ AMOLED, 480×480 | — |
| Chipset | Custom MCU | — |
| Battery | 27 days standard / 7 days heavy use | — |
| Connectivity | GPS multi-band, BT 5.2 | — |
| Water resist | 10 ATM + IP69K | — |
| Release year | — | 2023 |
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 2 Aluminum 45mm
- +Multi-day fitness tracking
- +GPS + heart rate
- +Notification mirroring
- −Battery life varies dramatically
- −Companion phone required
- −Screen-on drains battery
FAQ: Amazfit T-Rex 3 vs Apple Watch Ultra 2 Aluminum 45mm
Which is better, Amazfit T-Rex 3 or Apple Watch Ultra 2 Aluminum 45mm? +
Apple Watch Ultra 2 Aluminum 45mm scores 93 on our weighted rubric — ahead by 5. 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 2 Aluminum 45mm worth the price? +
At $799, Apple Watch Ultra 2 Aluminum 45mm delivers a Specdex score of 93 — strongest in fitness.
Does Amazfit T-Rex 3 or Apple Watch Ultra 2 Aluminum 45mm 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 2 Aluminum 45mm? +
Amazfit T-Rex 3 — leads on durability (92 vs 86). Compared on the durability sub-score.
Which is better for health, Amazfit T-Rex 3 or Apple Watch Ultra 2 Aluminum 45mm? +
Apple Watch Ultra 2 Aluminum 45mm — leads on health (91 vs 86). Compared on the health sub-score.