Samsung is fixing a Galaxy Watch Ultra 2 VO2 Max bug on track runs
If you log laps with Track Running, the Ultra 2 won't give you a VO2 Max reading for now. Outdoor runs still get one, and Samsung hasn't said when the fix arrives.
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Galaxy Watch Ultra (2025)Specs, Price & Reviews
Ask about the Galaxy Watch Ultra
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Released Guide updated
Samsung's answer to the Apple Watch Ultra, and a credible one. A 47mm titanium case, 10ATM water resistance and MIL-STD durability, with a battery that lasts through a hard day. The orange Quick Button sounds like a gimmick and turns out to be genuinely useful.
Latest on Galaxy Watch Ultra
More newsAll Galaxy Watch news- Some Galaxy Watch owners are waking up to burn-like marks under the sensors
Samsung hasn't acknowledged a defect, and a tight or sweaty strap can leave a rash that looks a lot like a burn. If you find a blister under your watch, take it off and have Samsung inspect it.
Read the story - The Galaxy Watch Ultra 2 can finally go scuba diving
Tom's Guide wore it two weeks and measured 60 hours of battery. Samsung fixed the dive rating and left the case just as chunky.
Read the story
What Galaxy Watch Ultra (2025) does best
- Outdoor adventure
Rated 10 ATM and IP68, the 47mm titanium case and 3,000-nit screen are ready for long days outside.
- Health
FDA-cleared sleep apnea detection and blood pressure readings, where approved, both land in Samsung Health.
- Everyday use
Built-in LTE keeps it working away from your phone, and it goes up to 48 hours between charges.
Galaxy Watch Ultra (2025) vs Galaxy Watch Ultra 2
Galaxy Watch Ultra (2025)
Jul 2025
Galaxy Watch Ultra 2
Aug 2026- Galaxy Watch Ultra (2025): 590 mAhBattery capacity+210 mAhGalaxy Watch Ultra 2: 800 mAh
- Galaxy Watch Ultra (2025): 3,000 nitsPeak brightness+2,000 nitsGalaxy Watch Ultra 2: 5,000 nits
- Galaxy Watch Ultra (2025): No confirmed One UI 9 completion by cutoffOne ui 9 health bundleAddedGalaxy Watch Ultra 2: Vitals, Heart Health Score, Daily Cardio Load, Fitness Index, Hearing on Ultra2
- Galaxy Watch Ultra (2025): 2 GB / 32 GBMemory / storageImprovedGalaxy Watch Ultra 2: 2 GB / 64 GB
- Galaxy Watch Ultra (2025): 10ATM + IP68 / MIL-STD-810HWater / dust / diving certificationImprovedGalaxy Watch Ultra 2: 10ATM + IP69K + EN13319; IP6X dust
Comparison
Compare watchesHow it compares
Cost over 3 years
$649.99
Device price plus up to three years of optional subscription.
Weight
61g
Grams on your wrist. Lower is lighter.
Battery life
3.3 days
How long it lasts on its own, away from a charger.
Cost over 3 years
Galaxy Watch Ultra$649.99
Samsung Galaxy Watch 9$379.99
Pixel Watch 5Google Health Premium costs $9.99 a month. It is optional. Over 3 years that is $360.
A personalized health coach, plus the fuller sleep and readiness analysis and the workout and mindfulness libraries.
Galaxy Watch Ultra 2$699.99
Apple Watch Ultra 4$799Weight
Battery life
DeviceOptional subscription
Case only, without a strap, as officially quoted.
Battery life can vary based on usage, settings and firmware version.
If not this one
- If running and training decides itGarmin Forerunner
Built-in GNSS records distance and pace on every run, and wrist-based running power shows the effort you put into the trail or road.
- If battery life decides itGarmin Venu
Smartwatch mode runs up to 12 days on the 45mm and 10 days on the 41mm between charges.
At a glance
PREVIOUS MODELGalaxy Watch Ultra
CURRENT MODELGalaxy Watch Ultra 2Price
The starting list price, not a temporary sale price. It is usually the first thing that rules a product in or out.
From $649.99
From $699.99
Blood pressure
Some watch for signs of high blood pressure, some give readings, and some do neither.
Blood sugar
No wearable measures glucose on its own yet; some connect to a separate sensor.
No
Not announced
Technical specs⌄
Processor
The processor affects speed, efficiency and which features the device can support.
Software
Software affects apps, updates and how well the device fits your other products.
Wear OS 7 (One UI 9 Watch)
Connectivity
Bluetooth, Wi-Fi and other connections determine what the device can work with.
Where to buy
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Similar products to consider
Frequently asked questions
Questions about Galaxy Watch Ultra (2025)
Using it
What does it cost?
It costs $649.99. That is the list price.
Does it measure blood pressure?
Yes, it measures your blood pressure.
Does it read blood glucose?
No, it has no glucose sensor.
Does it track sleep apnea?
It looks for signs that you may be at risk. Its screening is FDA-cleared. It is a signal to act on, not a diagnosis.
Does it work with my phone?
It works with an Android phone only. There is no iPhone app.
How heavy is it?
It weighs 60.5g.
How does it connect?
It connects over Wi-Fi.
How sharp and bright is the screen?
The screen reaches 3000 nits at its brightest.
What chip is inside?
It runs on Exynos W1000.
Which AI assistant does it use?
It uses Samsung Galaxy AI.
What software does it run?
It runs Wear OS.
What is it made of?
It is made of Titanium Grade 4.
Does it do satellite SOS?
No, it does not do satellite SOS.
What kind of screen is it?
It uses super amoled.
Does it do 4G LTE?
Yes, it has 4G LTE.
Sizing and fit
What sizes does it come in?
Case sizes: 47 mm. 47mm titanium squircle 60.5g
Battery and charging
How long does the battery last?
It runs 3.3 days.
How big is the battery?
The battery is 590 mAh.
Water
Can it get wet (shower, pool, swimming)?
Yes, you can shower and swim in it. It is rated to 10 ATM, and for snorkelling. Its rating is IP68.
Price and models
When did the Galaxy Watch Ultra come out?
It went on sale July 25, 2025. Announced July 9, 2025.
Is there a newer one?
Yes: the Samsung Galaxy Watch Ultra 2, out August 7, 2026.
Some Galaxy Watch owners are waking up to burn-like marks under the sensors
Samsung hasn't acknowledged a defect, and a tight or sweaty strap can leave a rash that looks a lot like a burn. If you find a blister under your watch, take it off and have Samsung inspect it.