Oura Ring 4 vs Whoop MG
Oura Ring 4
2024 · $349 today
6864
Whoop MG
2024 · $359 today
7064
Dashed outline = score at launch
Why Oura Ring 4 is better
- Water Resistance: 100m vs 10m(10.0× more)
- Weight: 4g vs 27g(6.8× less)
- Charging Time: 80 min full charge vs 120 min via on-body pack(50% less)
Why Whoop MG is better
- Battery Life: 336 hrs (14 days) vs 168 hrs (7 days)(2.0× more)
Verdict
No outright leader — they split the dimensions today.
Spec by spec
| Spec | Oura Ring 4 | Whoop MG |
|---|---|---|
| Sensors | ||
| Heart Rate Sensor | Optical PPG | Optical PPG |
| SpO2 Sensor | Yes | Yes |
| Skin Temperature | Yes | Yes |
| ECG | No | Yes (ECG add-on) |
| Battery | ||
| Battery Life | 168 hrs (7 days) | 336 hrs (14 days)● |
| Charging Time | 80 min full charge● | 120 min via on-body pack |
| Display | ||
| Display Type | None (app-based) | None (app-based) |
| Screen Size | 0mm | 0mm |
| Always-On Display | No | No |
| Build | ||
| Weight | 4g● | 27g |
| Water Resistance | 100m● | 10m |
| Case Material | Titanium | Polycarbonate strap |