Different form factors for different priorities. Oura Ring 4 excels at sleep and passive recovery with best-in-class accuracy; Garmin dominates active sports with GPS and training metrics. Some athletes use both.
Comparison Overview
| Category | Oura Ring 4 | Garmin Watches |
|---|---|---|
| Sleep/Recovery | Excellent—optimized for overnight ✓ | Good sleep score and HRV |
| Ring form factor wins at night | ||
| HRV Accuracy | Best-in-class PPG (2025 study) ✓ | Good PPG from wrist |
| Finger placement gives Oura an edge | ||
| HRV Analysis | Readiness Score with contributors | HRV Status, Training Readiness |
| Both provide actionable insights | ||
| Active Training | Basic activity only | GPS, workout modes, training load ✓ |
| Garmin is built for sports | ||
| Form Factor | All-titanium ring, always comfortable ✓ | Watch, some find bulky for sleep |
| Ring wins for 24/7 comfort | ||
| Battery Life | 7-8 days | 7-14+ days (varies by model) ✓ |
| Garmin lasts longer | ||
| Price Model | $350-500 + optional $6/month | $250-1000+ one-time |
| Depends on model choice | ||
| Data Export | Limited export options | Exports to many platforms ✓ |
| Garmin ecosystem is more open | ||
The Bottom Line
Choose Oura Ring 4 if sleep and passive recovery are your priority and you want best-in-class HRV accuracy in a comfortable 24/7 form factor. Choose Garmin if you're an active athlete who needs GPS, training metrics, and detailed workout tracking. Many serious athletes use both—Oura for sleep, Garmin for training.
Detailed Reviews
Oura Ring 4
Best for those who prioritize comfort and discretion. The ring form factor is ideal for sleep tracking, though the...
Full reviewGarmin Watches
Great for athletes already in the Garmin ecosystem. Recent models include solid HRV tracking, though features vary...
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