Apple Watch SE (3rd gen) Aluminum 45mm
S10 SiP · Aluminum 45mm · 2025
Apple Watch Ultra 3 Aluminum 45mm
S11 SiP · Aluminum 45mm · 2025
Apple Watch Ultra 3 Aluminum 45mm takes it — here’s why.
In our weighted Specdex score, Apple Watch SE (3rd gen) Aluminum 45mm lands at 83 and Apple Watch Ultra 3 Aluminum 45mm at 95. That puts Apple Watch Ultra 3 Aluminum 45mm ahead by 12 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Apple Watch SE (3rd gen) Aluminum 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Pick Apple Watch Ultra 3 Aluminum 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Score breakdown
Specs side-by-side
| Spec | Apple Watch SE (3rd gen) Aluminum 45mm | Apple Watch Ultra 3 Aluminum 45mm |
|---|---|---|
| Chip | S10 SiP | S11 SiP |
| Case | Aluminum 45mm | Aluminum 45mm |
| Release year | 2025 | 2025 |
Apple Watch SE (3rd gen) Aluminum 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
Apple Watch Ultra 3 Aluminum 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 SE (3rd gen) Aluminum 45mm vs Apple Watch Ultra 3 Aluminum 45mm
Which is better, Apple Watch SE (3rd gen) Aluminum 45mm or Apple Watch Ultra 3 Aluminum 45mm? +
Apple Watch Ultra 3 Aluminum 45mm scores 95 on our weighted rubric — ahead by 12. Your best pick depends on the sub-scores above.
Is Apple Watch SE (3rd gen) Aluminum 45mm worth the price? +
At $249, Apple Watch SE (3rd gen) Aluminum 45mm delivers a Specdex score of 83 — strongest in health.
Is Apple Watch Ultra 3 Aluminum 45mm worth the price? +
At $799, Apple Watch Ultra 3 Aluminum 45mm delivers a Specdex score of 95 — strongest in health.
Does Apple Watch SE (3rd gen) Aluminum 45mm or Apple Watch Ultra 3 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.