Apple Watch Ultra 3 Stainless 45mm
S11 SiP · Stainless 45mm · 2025
Garmin Vivoactive 5
2023 · Fitness + health
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 Garmin Vivoactive 5 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 Garmin Vivoactive 5 if…
- ✓Multi-day fitness tracking
- ✓GPS + heart rate
- ✓Notification mirroring
Winner by scenario
Derived from the sub-score breakdown · not a separate testDisplay
Apple Watch Ultra 3 Stainless 45mmCompared on the display sub-score
Apple Watch Ultra 3 Stainless 45mm leads on display (95 vs 88).
Durability
Apple Watch Ultra 3 Stainless 45mmCompared on the durability sub-score
Apple Watch Ultra 3 Stainless 45mm leads on durability (96 vs 86).
Battery
Garmin Vivoactive 5Compared on the battery sub-score
Garmin Vivoactive 5 leads on battery (94 vs 82).
Value for money
Garmin Vivoactive 5Specdex score per dollar at MSRP
Garmin Vivoactive 5 more score per dollar ($299 vs $999).
Score breakdown
Specs side-by-side
| Spec | Apple Watch Ultra 3 Stainless 45mm | Garmin Vivoactive 5 |
|---|---|---|
| Chip | S11 SiP | — |
| Case | Stainless 45mm | — |
| Release year | 2025 | 2023 |
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
Garmin Vivoactive 5
- +Multi-day fitness tracking
- +GPS + heart rate
- +Notification mirroring
- −Battery life varies dramatically
- −Companion phone required
- −Screen-on drains battery
FAQ: Apple Watch Ultra 3 Stainless 45mm vs Garmin Vivoactive 5
Which is better, Apple Watch Ultra 3 Stainless 45mm or Garmin Vivoactive 5? +
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 Garmin Vivoactive 5 worth the price? +
At $299, Garmin Vivoactive 5 delivers a Specdex score of 82 — strongest in battery.
Does Apple Watch Ultra 3 Stainless 45mm or Garmin Vivoactive 5 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 display, Apple Watch Ultra 3 Stainless 45mm or Garmin Vivoactive 5? +
Apple Watch Ultra 3 Stainless 45mm — leads on display (95 vs 88). Compared on the display sub-score.
Which is better for durability, Apple Watch Ultra 3 Stainless 45mm or Garmin Vivoactive 5? +
Apple Watch Ultra 3 Stainless 45mm — leads on durability (96 vs 86). Compared on the durability sub-score.