Samsung Galaxy Watch 8: full spec sheet and buying guide

Updated September 29, 2026 · Category: Wearables · Content based on official specifications and public Amazon buyer ratings, not a hands-on test.

Disclosure: This article contains Amazon affiliate links. If you buy through them, we may earn a commission at no extra cost to you. More info in our affiliate disclosure.

The Samsung Galaxy Watch 8 is Samsung's thinner, lighter smartwatch for Android phones, with a focus on sleep coaching and running. At the time of writing it holds a 4.4/5 average from more than 1,986 Amazon ratings.

★ 4.4/5 on Amazon

Advanced sleep coaching with bedtime guidance, running coach, Energy Score, AI assistant and a thinner, lighter design.

See current price on Amazon

Ratings and prices are as shown on Amazon at the time this article was published and may have changed. Affiliate disclosure.

Sleep and running

Samsung lists Advanced Sleep Coaching and Bedtime Guidance to find your best bedtime, a Running Coach with real-time feedback and programs for 5Ks and marathons, and a daily Energy Score based on yesterday's sleep, activity and heart rate.

Blood pressure and compatibility

It can track blood pressure in the Samsung Health Monitor app after you calibrate it with a separate cuff monitor (sold separately). It works best with Samsung phones and also with other Android phones; it doesn't work with iPhone. Samsung doesn't give a battery figure in this listing.

Strengths based on its spec sheet

Thinner, lighter design
Sleep coaching and bedtime guidance
Running coach with race programs
Blood pressure tracking after cuff calibration

What to consider before buying

Android only, no iPhone support
Blood pressure needs a separate cuff to calibrate
Battery life shorter than Garmin watches

Want to compare this model with other wearables and health devices? Check out our wearables buying guide.

Who is it ideal for?

Samsung and Android users who want a full smartwatch with strong sleep and running features.

Who is it NOT the best option for?

If you have an iPhone, look at the Apple Watch; if you want long battery, look at Garmin in our wearables buying guide.

Frequently asked questions

Does the Galaxy Watch 8 work with iPhone?

No, it works with Samsung and other Android phones.

Can it measure blood pressure?

Yes, in the Samsung Health Monitor app, after calibrating with a separate cuff monitor. Availability can vary by phone and region.

Does it have a running coach?

Yes, with real-time feedback and programs for 5Ks, marathons and more.

Is the Samsung Galaxy Watch 8 the right fit for you?

See current price on Amazon