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Oura Oura Ring 4 vs Oura Oura Ring 5
Oura Oura Ring 4 ($349) vs Oura Oura Ring 5 ($399) — side-by-side specs, weight, pros and cons to help you pick the right smart ring.
Spec-by-spec
| Spec | Oura Oura Ring 4 | Oura Oura Ring 5 |
|---|---|---|
| Price | $349 | $399 |
| Weight | 6g | 2g |
| Form | Ring (sizes 4–15) | — |
| Battery | 8 days | 6-9 days |
| Sensors | HRV, Temp, SpO2, HR | — |
| Subscription | $5.99/mo | — |
| WR | 100m | — |
| Weight | 4–6g | From 2g, varies by size (Oura published) |
| Material | — | Titanium, PVD coating |
| Sizes | — | 6 to 13 |
Pros & Cons
Oura Oura Ring 4
- Most discreet health tracker
- 8-day battery
- Excellent HRV + sleep data
- No wrist bulk
- Works alongside any watch
- Subscription required $5.99/mo
- No display
- Ring sizing requires order kit
Oura Oura Ring 5
- Thinner and smaller than the Ring 4
- Six finishes, Silver and Black at $399
- 6 to 9 days of battery
- $499 for Gold, Deep Rose, Stealth and Brushed Silver
- Oura publishes only a lightest weight, not a full range
- Oura membership is billed separately
Oura Oura Ring 4 is the better value at $349. If weight matters most, Oura Oura Ring 5 carries lighter at 2g. Both are part of our curated smart ring index — tap through to check current pricing.