Versus Engine
Oura Ring Gen 3 vs Oura Ring Gen 4
Specs, price and the one trade-off that actually decides it — Oura Ring Gen 3 against Oura Ring Gen 4, side by side.
Cheaper to start
Tie
Both start at a similar price.
Rated higher
Tie
Both score 9.5 on our design scale.
Standout
Oura Ring Gen 3
Finger-based PPG provides drastically clearer signals than wrist trackers
Oura Ring Gen 3
The finger-worn tracker that made continuous health monitoring socially wearable — with a subscription attached.
Where it wins, where it doesn't
Pros
- Finger-based PPG provides drastically clearer signals than wrist trackers
- NTC thermistors track illness onset via 0.1°C temperature variance
- Titanium shell withstands deep water and extreme elements
Cons
- Full data access locked behind a mandatory monthly subscription
- Bulky form factor on smaller hands
- Lacks real-time vibration or notification haptics
Specifications
- weight4g to 6g
- battery15mAh to 22mAh Lipo (Up to 7 days)
- sensorsRed/Green/IR PPG, NTC temperature, 3D accelerometer
- materialsTitanium shell with PVD coating, non-allergenic inner molding
- connectivityBluetooth Low Energy (BLE)
- water_resistanceUp to 100 meters (10 ATM)
- temperature_precision0.1°C variance detection
Oura Ring Gen 4
The market leader in invisible health tech, tracking sleep and recovery with extreme precision.
Where it wins, where it doesn't
Pros
- Unobtrusive
- Excellent sleep data
Cons
- Subscription required
Specifications
- weight—
- battery7 days
- sensorsHRV, Temp, SpO2
- materials—
- connectivity—
- water_resistance—
- temperature_precision—