Oura Ring 5 vs Oura Ring 4

6 of 7 tracked specs changed between 2024-10 and 2026-05.

What changed: battery, sensors, health features, membership, water rating, signature.

Launch prices are historical. Price links may earn us a commission. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.

	Oura Ring 52026-05	Oura Ring 42024-10
Launch price	$399–$499	$349
Weight (ring)		3.3–5.2 g (by size)
Battery	6–9 days	up to 8 days
Sensors	Redesigned low-profile sensors, 12 signal pathways	Flush IR, SpO2 and thermistor pods
Health features	Health Radar; availability varies by region	Sleep staging, heart-health dashboard
Membership	$5.99/mo or $69.99/yr; separate from hardware	$5.99/mo for full insights
Water rating	100 m (IP68)	100 m
Signature	6.09 mm wide, 2.28 mm thick	Flush pods, accuracy leader

Battery figures are launch-day claims.

As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.