Apple Watch Ultra 2 Aluminum 45mm
2023 · Fitness + health
Oura Ring 4
Smart ring · 8-day battery · No screen
Apple Watch Ultra 2 Aluminum 45mm takes it — here’s why.
In our weighted Specdex score, Apple Watch Ultra 2 Aluminum 45mm lands at 93 and Oura Ring 4 at 87. That puts Apple Watch Ultra 2 Aluminum 45mm ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Apple Watch Ultra 2 Aluminum 45mm if…
- ✓Multi-day fitness tracking
- ✓GPS + heart rate
- ✓Notification mirroring
Pick Oura Ring 4 if…
- ✓Most comfortable wearable ever
- ✓8-day battery life
- ✓Best sleep tracking we've tested
Winner by scenario
Derived from the sub-score breakdown · not a separate testHealth
Oura Ring 4Compared on the health sub-score
Oura Ring 4 leads on health (96 vs 91).
Durability
Oura Ring 4Compared on the durability sub-score
Oura Ring 4 leads on durability (92 vs 86).
Battery
Oura Ring 4Compared on the battery sub-score
Oura Ring 4 leads on battery (96 vs 72).
Value for money
Oura Ring 4Specdex score per dollar at MSRP
Oura Ring 4 more score per dollar ($349 vs $799).
Score breakdown
Specs side-by-side
| Spec | Apple Watch Ultra 2 Aluminum 45mm | Oura Ring 4 |
|---|---|---|
| Release year | 2023 | — |
| Form | — | Titanium ring (8 sizes) |
| Sensors | — | PPG + temp + accel + ECG-ready |
| Battery life | — | 8 days |
| Connectivity | — | BT 5.3 |
| Water resist | — | 100 m |
| Weight | — | ~3.3 g |
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
Oura Ring 4
- +Most comfortable wearable ever
- +8-day battery life
- +Best sleep tracking we've tested
- −No display — phone required
- −$5.99/mo subscription gates most data
- −Sizing requires order kit
FAQ: Apple Watch Ultra 2 Aluminum 45mm vs Oura Ring 4
Which is better, Apple Watch Ultra 2 Aluminum 45mm or Oura Ring 4? +
Apple Watch Ultra 2 Aluminum 45mm scores 93 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
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.
Is Oura Ring 4 worth the price? +
At $349, Oura Ring 4 delivers a Specdex score of 87 — strongest in health.
Does Apple Watch Ultra 2 Aluminum 45mm or Oura Ring 4 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 Ultra 2 Aluminum 45mm or Oura Ring 4? +
Oura Ring 4 — leads on health (96 vs 91). Compared on the health sub-score.
Which is better for durability, Apple Watch Ultra 2 Aluminum 45mm or Oura Ring 4? +
Oura Ring 4 — leads on durability (92 vs 86). Compared on the durability sub-score.