Versus Engine
Circular Ring 2 vs Garmin Enduro 3
Specs, price and the one trade-off that actually decides it — Circular Ring 2 against Garmin Enduro 3, side by side.
Cheaper to start
Circular Ring 2
Starts about $550 lower.
Rated higher
Garmin Enduro 3
9.1 vs 8.8 on our design scale.
Standout
Circular Ring 2
Native ECG sensor for AFib detection
Circular Ring 2
A smart ring with native ECG and no subscription, aimed at the European market.
Where it wins, where it doesn't
Pros
- Native ECG sensor for AFib detection
- No subscription — a saving that compounds over years
- Haptic notifications on the ring itself
Cons
- Finish and industrial design trail the Oura Ring 4
- Data interpretation less mature than Oura's
- Global support network still being established
Specifications
- Battery8 days power mode, 5 days performance
- Charging30 minutes, wireless case
- ComplianceGDPR and HIPAA
- MaterialTitanium, hypoallergenic interior
- SensorsECG, PPG, temperature, 3-axis accelerometer
- Size2.55 mm thick, 7.8 mm wide, 3 g
- SizesUS 6-14
- Thickness2.55 mm
- Water ratingIP68
- Weight3 g
Garmin Enduro 3
Built around near-limitless battery: a MIP display with solar assist, for ultra-distance events.
Where it wins, where it doesn't
Pros
- Battery measured in weeks, extended further by solar
- MIP display gets more readable in direct sun
- Survives conditions that kill conventional smartwatches
Cons
- MIP display looks dull next to any OLED smartwatch
- Unremarkable as an everyday watch
- Interface prioritises function over polish
Specifications
- Battery—
- Charging—
- Compliance—
- Material—
- Sensors—
- Size—
- Sizes—
- Thickness—
- Water rating—
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