Versus Engine
Oura Ring 4 vs Oura Ring Gen 3
Specs, price and the one trade-off that actually decides it — Oura Ring 4 against Oura Ring Gen 3, side by side.
Cheaper to start
Oura Ring Gen 3
Starts about $50 lower.
Rated higher
Oura Ring Gen 3
9.5 vs 8.1 on our design scale.
Standout
Oura Ring 4
18-path multi-wavelength PPG sensor
Oura Ring 4
The all-titanium fourth-generation smart ring, from $349 plus a required membership.
Where it wins, where it doesn't
Pros
- Comprehensive health and wellness tracking with advanced sensors
- Titanium construction for durability and comfort
- Up to 8 days of battery life
Cons
- High price point starting at $349
- Mandatory subscription ($5.99/month or $69.99/year) for full functionality
Specifications
- batteryUp to 8 days
- sensors18-path multi-wavelength PPG, temperature, SpO2
- Black$399
- Blood Oxygen (SpO2) Sensing—
- Brushed Silver$499
- charge_timeUp to 120 minutes
- Cloud (Oura Ring 4 Ceramic)$399 $499
- connectivity—
- Daytime Heart Rate—
- Deep Rose$499
- Gold (Oura Ring 4)$399 $499
- Improved Sleep Staging—
- materialTitanium, inside and out
- materials—
- New Library of Wellness Content—
- Oura Ring 4From $349
- Oura Ring 4 Ceramic$399
- Oura Ring 4 Charger$59.00
- Oura Ring 5 Charger$59.00
- Oura Ring Gen3 Charger$59.00
- Period Prediction—
- Redesigned Finish$499
- Silver$399
- Silver (Oura Ring 4)$349
- sizes4 to 15
- Stealth$499
- Stealth (Oura Ring 4)$349 $399
- subscriptionOura Membership, $5.99/month or $69.99/year
- temperature_precision—
- water_resistance—
- weight—
- Workout Heart Rate—
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
- battery15mAh to 22mAh Lipo (Up to 7 days)
- sensorsRed/Green/IR PPG, NTC temperature, 3D accelerometer
- Black—
- Blood Oxygen (SpO2) SensingPowered by a new red LED sensor in Gen3
- Brushed Silver—
- charge_time—
- Cloud (Oura Ring 4 Ceramic)—
- connectivityBluetooth Low Energy (BLE)
- Daytime Heart RatePowered by a new suite of green LED sensors in Gen3 only
- Deep Rose—
- Gold (Oura Ring 4)—
- Improved Sleep StagingEnhanced sleep accuracy, closely matching the gold standard sleep lab test
- material—
- materialsTitanium shell with PVD coating, non-allergenic inner molding
- New Library of Wellness ContentProduced alongside world-renowned experts
- Oura Ring 4—
- Oura Ring 4 Ceramic—
- Oura Ring 4 Charger—
- Oura Ring 5 Charger—
- Oura Ring Gen3 Charger—
- Period PredictionAvailable on Gen3 only
- Redesigned Finish—
- Silver—
- Silver (Oura Ring 4)—
- sizes—
- Stealth—
- Stealth (Oura Ring 4)—
- subscription—
- temperature_precision0.1°C variance detection
- water_resistanceUp to 100 meters (10 ATM)
- weight4g to 6g
- Workout Heart RateAlso powered by a new suite of green LED sensors in Gen3 only