Oura Oura Ring 4 vs Oura Oura Ring 4 Ceramic
Oura Oura Ring 4 ($349) vs Oura Oura Ring 4 Ceramic ($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 4 Ceramic |
| Price | $349 | $399 |
| Weight | 6g | 6.6g |
| Form | Ring (sizes 4–15) | — |
| Battery | 8 days | 5-8 days |
| Sensors | HRV, Temp, SpO2, HR | HR, HRV, SpO2, Temp, Accel |
| Subscription | $5.99/mo | — |
| WR | 100m | 100m |
| Weight | 4–6g | 5.1-8.1g by size (Oura published range) |
| Material | — | Zirconia ceramic, titanium interior |
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 4 Ceramic
- Ceramic finish in four colors
- Full Oura sleep, readiness and heart health scoring
- 100 m water resistance
- $399 on sale, $499 list, above most rivals
- Heavier than other smart rings at up to 8.1 g
- Oura membership is billed separately
Oura Oura Ring 4 is the better value at $349. Both are part of our curated smart ring index — tap through to check current pricing.