Versus Engine
Garmin Fenix 8 Pro vs Oura Ring Gen 3
Specs, price and the one trade-off that actually decides it — Garmin Fenix 8 Pro against Oura Ring Gen 3, side by side.
Cheaper to start
Oura Ring Gen 3
Starts about $900 lower.
Rated higher
Oura Ring Gen 3
9.5 vs 9.4 on our design scale.
Standout
Garmin Fenix 8 Pro
MicroLED — extreme brightness with no burn-in risk
Garmin Fenix 8 Pro
MicroLED display plus two-way InReach satellite messaging in a dive-rated tactical body.
Where it wins, where it doesn't
Pros
- MicroLED — extreme brightness with no burn-in risk
- Two-way InReach satellite messaging built in
- Dive-rated tactical construction
Cons
- Very high entry price
- Too bulky and rugged for formal wear
- Satellite features need an active subscription
Specifications
- battery—
- Blood Oxygen (SpO2) Sensing—
- connectivity—
- Daytime Heart Rate—
- Improved Sleep Staging—
- materials—
- New Library of Wellness Content—
- Period Prediction—
- sensors—
- 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)
- Blood Oxygen (SpO2) SensingPowered by a new red LED sensor in Gen3
- connectivityBluetooth Low Energy (BLE)
- Daytime Heart RatePowered by a new suite of green LED sensors in Gen3 only
- Improved Sleep StagingEnhanced sleep accuracy, closely matching the gold standard sleep lab test
- materialsTitanium shell with PVD coating, non-allergenic inner molding
- New Library of Wellness ContentProduced alongside world-renowned experts
- Period PredictionAvailable on Gen3 only
- sensorsRed/Green/IR PPG, NTC temperature, 3D accelerometer
- 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