NEW Oura Ring 5: Everything We Know!

Name: NEW Oura Ring 5: Everything We Know!
Uploaded: 2026-05-28T17:20:12.000Z
Duration: 10 min 10 s
Channel: The Quantified Scientist

The Quantified ScientistMay 28, 202610m

Topics11

Oura Ring 5 Announcement and Size Changes0:00 Main Differences from Oura Ring 41:01 Health Radar and Blood Pressure Signals1:30 Nighttime Breathing and Software Features3:00 Redesigned Sensor Architecture3:30 Heart Rate Tracking Challenges During Exercise4:30 Live Activity Tracking5:30 Sleep Tracking Expectations6:00 Overall Launch Assessment7:31 Heart Rate Testing Plans8:01 Affiliate and Related Content9:31

In a Nutshell

The Oura Ring 5 is a smaller, redesigned version of the Ring 4 with stronger LEDs, improved skin contact, and new software features focused on cardiovascular insights like blood pressure signals and nighttime breathing. No dramatic accuracy gains are expected for sleep tracking, but the key question is whether the new sensors deliver meaningfully better heart rate tracking during workouts like running and cycling. The reviewer plans to test this rigorously against a Polar H10 chest strap, with cautious optimism for steady-state exercise but skepticism for high-motion activities.

AI-Generated Notes

These notes were generated by AI and may contain inaccuracies.

The Oura Ring 5 was just announced. The headline feature is that it is smaller, with Oura claiming up to 40% thinner, lighter, and smaller. A smaller ring can be more comfortable, especially during sleep, and if a device is more comfortable, people are more likely to wear it consistently. This can matter for long-term health tracking for some people.

The smaller size is not the most interesting aspect. Most people will get used to a new size within a week or two and after that might not notice a difference. This might be different for people who find the older Oura rings too bulky.

The main differences to the Oura Ring 4 will be examined from a more scientific perspective. The questions include what new features Oura introduced, what changed in the hardware, whether the sensors changed at all, and whether better heart rate tracking during exercise can be expected.

This is not a review yet, only interpretations and expectations based on all the data and information that Oura has released so far. Oura has not offered to send a sample. Two Oura Ring 5 units were ordered with personal funds.

The most interesting new feature is the health radar and especially something called blood pressure signals. This is not a normal blood pressure measurement. The ring is not giving systolic and diastolic values. It is not telling users something like blood pressure is 120 over 80. It should not be seen as some kind of replacement for validated blood pressure cuffs.

Oura appears to be looking at longer term cardiovascular patterns, especially during sleep, and trying to detect what signals might be related to cardiovascular strain or even elevated blood pressure risk. A cuff directly measures the pressure by compressing an artery and a ring just cannot do that. Oura is looking for indirect signals from the finger, probably from the optical pulse wave information and other biometric trends.

This could still be useful if it works well but it is completely different in terms of claims that can be made. Testing cannot compare it as if it were outputting exact blood pressure numbers. One approach would be to find a person with high blood pressure to test it on. Another approach would be to measure blood pressure repeatedly with a cuff over many days or weeks and then see if the Oura signals actually correspond meaningfully to changes over time. The testing approach really depends on how Oura will be showing that in the app.

Oura is also adding nighttime breathing which seems to give a longer term view of breathing patterns and disturbances during sleep. This could potentially be useful, especially because breathing disturbances can be related to things like sleep quality and recovery.

There are also several broader software features like GLP1 insights, health record imports, and more proactive health related tools. Some of these are quite interesting, but they should be separated from the question of whether Ring 5 itself is actually more accurate because many of these are software layer features. These features might be useful but they do not necessarily tell whether the raw sensor data is better. They could even potentially be implemented on the Oura Ring 4 but Oura might decide to only give them to the Oura Ring 5.

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NEW Oura Ring 5: Everything We Know!

Oura Ring 5 Announcement and Size Changes00:00

Main Differences from Oura Ring 401:01

Health Radar and Blood Pressure Signals01:30

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