CorosvsSamsung


Coros Pace 4 vs Samsung Galaxy Ring: comparison
Coros Pace 4 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
| Coros Pace 4 | Samsung Galaxy Ring | |
|---|---|---|
| Our score | 80/100 | 78/100 |
| Who it is for | Runners and endurance athletes who want a light AMOLED watch with HRV, sleep tracking and weeks of battery, with no monthly fee and no closed ecosystem. | 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 want a smartwatch with apps, payments and phone features, or you need ECG and skin temperature to keep an eye on your recovery. | 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.
Coros Pace 4
Pros
- • Stated battery life of up to 19 days of daily use and 41 hours of GPS, at only 32 g with the nylon strap.
- • Records HRV, sleep stages and resting heart rate, with a recovery and training app and no fee mentioned on the product page.
- • Dual-frequency GPS and a 1.2-inch AMOLED touchscreen.
Cons
- • No independent validation found for sleep or HRV; wrist heart rate accuracy varies with effort.
- • No ECG or skin temperature, and SpO2 confirmed only by third-party sources.
- • No ANT+, no payments or third-party apps, and no full offline mapping according to reviews.
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.

Coros Pace 4
What the Coros Pace 4 measures, how long its battery lasts, what it lacks next to the Pace 4 Pro and who it suits as a running and recovery watch.

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.