Apple Watch Ultra 3
S10 chip · 49 mm titanium · 3000 nits
Apple Watch Ultra 3 Stainless 45mm
S11 SiP · Stainless 45mm · 2025
Apple Watch Ultra 3 Stainless 45mm takes it — here’s why.
In our weighted Specdex score, Apple Watch Ultra 3 lands at 94 and Apple Watch Ultra 3 Stainless 45mm at 95. That puts Apple Watch Ultra 3 Stainless 45mm ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Apple Watch Ultra 3 if…
- ✓49 mm titanium chassis
- ✓3000 nit peak display
- ✓Up to 42 hours normal use
Pick Apple Watch Ultra 3 Stainless 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Score breakdown
Specs side-by-side
| Spec | Apple Watch Ultra 3 | Apple Watch Ultra 3 Stainless 45mm |
|---|---|---|
| Chip | Apple S10 chip | S11 SiP |
| Case | 49 mm titanium | Stainless 45mm |
| Display | Up to 3000 nits | — |
| Water resistance | 100 m (ISO 22810:2010) | — |
| Battery | Up to 42 hours; up to 72 hours in Low Power Mode | — |
| Starting price | $799 | — |
| Release year | — | 2025 |
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
Apple Watch Ultra 3 Stainless 45mm
- +Satellite connectivity (Ultra 3)
- +Blood pressure trends (Series 11)
- +watchOS 12
- −iPhone-required
- −Battery ~18 h on Series, ~48 h on Ultra
- −Premium pricing
FAQ: Apple Watch Ultra 3 vs Apple Watch Ultra 3 Stainless 45mm
Which is better, Apple Watch Ultra 3 or Apple Watch Ultra 3 Stainless 45mm? +
Apple Watch Ultra 3 Stainless 45mm scores 95 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Apple Watch Ultra 3 worth the price? +
At $799, Apple Watch Ultra 3 delivers a Specdex score of 94 — strongest in display.
Is Apple Watch Ultra 3 Stainless 45mm worth the price? +
At $999, Apple Watch Ultra 3 Stainless 45mm delivers a Specdex score of 95 — strongest in health.
Does Apple Watch Ultra 3 or Apple Watch Ultra 3 Stainless 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.