Apple Watch SE (3rd gen) Aluminum 45mm
S10 SiP · Aluminum 45mm · 2025
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, Apple Watch SE (3rd gen) Aluminum 45mm lands at 83 and Apple Watch Ultra 2 Aluminum 45mm at 93. That puts Apple Watch Ultra 2 Aluminum 45mm ahead by 10 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 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 testFitness
TieCompared on the fitness sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Health
Apple Watch SE (3rd gen) Aluminum 45mmCompared on the health sub-score
Apple Watch SE (3rd gen) Aluminum 45mm leads on health (96 vs 91).
Display
Apple Watch SE (3rd gen) Aluminum 45mmCompared on the display sub-score
Apple Watch SE (3rd gen) Aluminum 45mm leads on display (95 vs 88).
Value for money
Apple Watch SE (3rd gen) Aluminum 45mmSpecdex score per dollar at MSRP
Apple Watch SE (3rd gen) Aluminum 45mm more score per dollar ($249 vs $799).
Score breakdown
Specs side-by-side
| Spec | Apple Watch SE (3rd gen) Aluminum 45mm | Apple Watch Ultra 2 Aluminum 45mm |
|---|---|---|
| Chip | S10 SiP | — |
| Case | Aluminum 45mm | — |
| Release year | 2025 | 2023 |
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 2 Aluminum 45mm
- +Multi-day fitness tracking
- +GPS + heart rate
- +Notification mirroring
- −Battery life varies dramatically
- −Companion phone required
- −Screen-on drains battery
FAQ: Apple Watch SE (3rd gen) Aluminum 45mm vs Apple Watch Ultra 2 Aluminum 45mm
Which is better, Apple Watch SE (3rd gen) Aluminum 45mm or Apple Watch Ultra 2 Aluminum 45mm? +
Apple Watch Ultra 2 Aluminum 45mm scores 93 on our weighted rubric — ahead by 10. 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 2 Aluminum 45mm worth the price? +
At $799, Apple Watch Ultra 2 Aluminum 45mm delivers a Specdex score of 93 — strongest in fitness.
Does Apple Watch SE (3rd gen) Aluminum 45mm 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 health, Apple Watch SE (3rd gen) Aluminum 45mm or Apple Watch Ultra 2 Aluminum 45mm? +
Apple Watch SE (3rd gen) Aluminum 45mm — leads on health (96 vs 91). Compared on the health sub-score.
Which is better for display, Apple Watch SE (3rd gen) Aluminum 45mm or Apple Watch Ultra 2 Aluminum 45mm? +
Apple Watch SE (3rd gen) Aluminum 45mm — leads on display (95 vs 88). Compared on the display sub-score.