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Oura Ring 5 vs Samsung Galaxy Ring: comparison
Oura Ring 5 vs Samsung Galaxy Ring using the data from our reviews: score, who each one is for, and their strengths and weaknesses.
Summary of both reviews
| Oura Ring 5 | Samsung Galaxy Ring | |
|---|---|---|
| Our score | 83/100 | 78/100 |
| Who it is for | Anyone who wants to track sleep and recovery with a ring you barely notice, does not use Samsung as their ecosystem and accepts paying a monthly fee for the app. | Android users who want a ring to keep an eye on sleep and recovery without paying a monthly fee to see their data. |
| Skip it if | You do barbell strength training or need reliable heart rate during workouts, or you do not want to pay a fee to see your own data. | You use an iPhone, because the ring only works with Android phones, or you need a ring with at least one published accuracy study on the device itself. |
| Check price | Check price on Amazon | Check price on Amazon |
Each score comes from its full review, with its sources and criteria. The two scores are only comparable within the same type of product.
Oura Ring 5
Pros
- • More discreet than the Ring 4: 6.09 mm wide, 2.28 mm thick and from 2 g according to Oura, versus the Ring 4’s 7.9 mm and about 2.88 mm; several reviews agree it is less noticeable.
- • Official battery life of 6 to 9 days; in the attributed review tests, between roughly a week and a little over seven days in a size 11.
- • IP68 water resistance down to 100 m and six finishes, all titanium.
Cons
- • No published independent validation of the Ring 5: the accuracy improvements (12% more accuracy in overnight HRV, according to Oura) are the company’s own figures with no methodology.
- • The full app requires a membership: without it you only see three scores, the battery and little else, and the fee cannot be paused.
- • Fewer sizes than the Ring 4 (6 to 13, versus 4 to 15) and different sizing: the Ring 4 kit does not work.
Samsung Galaxy Ring
Pros
- • No subscription: Samsung's official page mentions no paid subscription for the ring's features.
- • Very light: between 2.3 g (size 5) and 3.0 g (sizes 12 and 13), 7 mm wide and 2.6 mm thick, according to Samsung.
- • Official battery life of up to 6 days (sizes 5 to 11) and up to 7 days (sizes 12 and 13), with a charging case that shows the battery level.
Cons
- • Only works with Android phones (the Spanish product page states Android 11 or later); there is no official iPhone compatibility.
- • No published studies have been found that validate its sleep, HRV or temperature readings.
- • There are user reports of sharp battery loss and a high-profile case of a swollen battery, with no confirmed cause.

Oura Ring 5
Oura Ring 5: what it measures, what changes from the Ring 4, how long the battery lasts, what validation it has and what the subscription costs to keep.

Samsung Galaxy Ring
What the Samsung Galaxy Ring measures, how well its accuracy is backed, how long it lasts, which phones it supports and how much you save versus Oura's fee.