Galaxy Watch Ultra2 vs Galaxy Watch Ultra (2025)
Galaxy Watch Ultra2 and Galaxy Watch Ultra (2025) are 2026 and 2025 smartwatches from the same product line. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 18 fields, including 10 exact differences; it does not choose a winner.
Specifications side by side
| Field | Galaxy Watch Ultra2 | Galaxy Watch Ultra (2025) |
|---|---|---|
| Release year | 2026 | 2025 |
| Case sizes | 47 mm · 10.7 mm · 61.5 g | 47 mm |
| Display | 1.52-inch 498×498 Super AMOLED | Super AMOLED, Always-On |
| Brightness | 5000 nits | 3000 nits |
| Battery, as listed | 800mAh · up to 4 days | 590 mAh, up to 60 hrs (AOD on) / 100 hrs (Power Saving) |
| Operating system | Wear OS 7 · One UI 9 Watch | Wear OS + One UI Watch |
| Phone compatibility | Android | Android |
| Cellular connection | eSIM · LTE | eSIM · LTE |
| Water rating | 10ATM · IP69K · diving EN13319 | 10ATM + IP68 |
| Glass | Sapphire | Sapphire |
| Case material | Titanium | Titanium |
| GPS | Dual-frequency GNSS | Dual-frequency GNSS |
| Maps | Yes | No |
| Payment system | Samsung Wallet | Samsung Wallet |
| Plan requirement | Not required | Not required |
| Listed sensors and features | Sleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperature | Sleep apnea, Body composition (BIA), Blood pressure trend, ECG, HRV, SpO2, Skin temperature |
| Safety features | Fall detection, SOS calling | Fall detection, siren, SOS calling |
| Hardware flashlight | No | No |
"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.
Where they differ
- Release year: Galaxy Watch Ultra2 lists 2026; Galaxy Watch Ultra (2025) lists 2025. The listed values are 1 years apart.
- Case sizes: Galaxy Watch Ultra2 lists 47 mm · 10.7 mm · 61.5 g; Galaxy Watch Ultra (2025) lists 47 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
- Display: Galaxy Watch Ultra2 lists 1.52-inch 498×498 Super AMOLED; Galaxy Watch Ultra (2025) lists Super AMOLED, Always-On.
- Brightness: Galaxy Watch Ultra2 lists 5000 nits; Galaxy Watch Ultra (2025) lists 3000 nits. The listed values are 2000 nits apart.
- Battery, as listed: Galaxy Watch Ultra2 lists 800mAh · up to 4 days; Galaxy Watch Ultra (2025) lists 590 mAh, up to 60 hrs (AOD on) / 100 hrs (Power Saving). These are the full listed battery descriptions. Different modes or case variants prevent a single numeric battery-life delta.
- Operating system: Galaxy Watch Ultra2 lists Wear OS 7 · One UI 9 Watch; Galaxy Watch Ultra (2025) lists Wear OS + One UI Watch. The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
- Water rating: Galaxy Watch Ultra2 lists 10ATM · IP69K · diving EN13319; Galaxy Watch Ultra (2025) lists 10ATM + IP68.
- Maps: Galaxy Watch Ultra2 lists Yes; Galaxy Watch Ultra (2025) lists No.
- Listed sensors and features: Galaxy Watch Ultra2 lists Sleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperature; Galaxy Watch Ultra (2025) lists Sleep apnea, Body composition (BIA), Blood pressure trend, ECG, HRV, SpO2, Skin temperature. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
- Safety features: Galaxy Watch Ultra2 lists Fall detection, SOS calling; Galaxy Watch Ultra (2025) lists Fall detection, siren, SOS calling.
Where they are the same
- Both list phone compatibility: Android.
- Both list cellular connection: eSIM · LTE.
- Both list glass: Sapphire.
- Both list case material: Titanium.
- Both list gps: Dual-frequency GNSS.
- Both list payment system: Samsung Wallet.
- Both list plan requirement: Not required.
- Both list hardware flashlight: No.
Which one fits you
Galaxy Watch Ultra2 is listed as a smartwatch compatible with Android. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that the later generation is better in every respect.
Galaxy Watch Ultra (2025) is listed as a smartwatch compatible with Android. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that the later generation is better in every respect.
Related pages
- Galaxy Watch Ultra2 specifications
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- Galaxy Watch Ultra (2025) specifications
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