Apple Watch Ultra 3 Stainless 45mm
S11 SiP · Stainless 45mm · 2025
Fitbit Sense 2 (Pro)
Fitness · 2022 · Pro
Apple Watch Ultra 3 Stainless 45mm takes it — here’s why.
In our weighted Specdex score, Apple Watch Ultra 3 Stainless 45mm lands at 95 and Fitbit Sense 2 (Pro) at 82. That puts Apple Watch Ultra 3 Stainless 45mm ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Apple Watch Ultra 3 Stainless 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Pick Fitbit Sense 2 (Pro) if…
- ✓Extended battery life vs smartwatches
- ✓Sleep + recovery metrics
- ✓Activity-specific modes
Winner by scenario
Derived from the sub-score breakdown · not a separate testDurability
Apple Watch Ultra 3 Stainless 45mmCompared on the durability sub-score
Apple Watch Ultra 3 Stainless 45mm leads on durability (96 vs 84).
Health
Apple Watch Ultra 3 Stainless 45mmCompared on the health sub-score
Apple Watch Ultra 3 Stainless 45mm leads on health (96 vs 82).
Battery
Fitbit Sense 2 (Pro)Compared on the battery sub-score
Fitbit Sense 2 (Pro) leads on battery (94 vs 82).
Value for money
Fitbit Sense 2 (Pro)Specdex score per dollar at MSRP
Fitbit Sense 2 (Pro) more score per dollar ($349 vs $999).
Score breakdown
Specs side-by-side
| Spec | Apple Watch Ultra 3 Stainless 45mm | Fitbit Sense 2 (Pro) |
|---|---|---|
| Chip | S11 SiP | — |
| Case | Stainless 45mm | — |
| Release year | 2025 | 2022 |
| Type | — | Fitness tracker / ring / bike computer |
| Variant | — | Pro |
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
Fitbit Sense 2 (Pro)
- +Extended battery life vs smartwatches
- +Sleep + recovery metrics
- +Activity-specific modes
- −Notifications limited
- −No smartwatch app store
- −Some require subscription
FAQ: Apple Watch Ultra 3 Stainless 45mm vs Fitbit Sense 2 (Pro)
Which is better, Apple Watch Ultra 3 Stainless 45mm or Fitbit Sense 2 (Pro)? +
Apple Watch Ultra 3 Stainless 45mm scores 95 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.
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.
Is Fitbit Sense 2 (Pro) worth the price? +
At $349, Fitbit Sense 2 (Pro) delivers a Specdex score of 82 — strongest in battery.
Does Apple Watch Ultra 3 Stainless 45mm or Fitbit Sense 2 (Pro) 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, Apple Watch Ultra 3 Stainless 45mm or Fitbit Sense 2 (Pro)? +
Apple Watch Ultra 3 Stainless 45mm — leads on durability (96 vs 84). Compared on the durability sub-score.
Which is better for health, Apple Watch Ultra 3 Stainless 45mm or Fitbit Sense 2 (Pro)? +
Apple Watch Ultra 3 Stainless 45mm — leads on health (96 vs 82). Compared on the health sub-score.