Galaxy Watch Ultra (2025) vs Mibro GS Active 2
Galaxy Watch Ultra (2025) and Mibro GS Active 2 are watches both released in 2025 by different brands, with overlapping phone compatibility. 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 Ultra (2025) | Mibro GS Active 2 |
|---|---|---|
| Release year | 2025 | 2025 (approx.) |
| Case sizes | 47 mm | 46 mm (approx.) |
| Display | Super AMOLED, Always-On | 1.32-inch AMOLED 466x466 |
| Brightness | 3000 nits | 1200 nits |
| Battery, as listed | 590 mAh, up to 60 hrs (AOD on) / 100 hrs (Power Saving) | Not listed |
| Operating system | Wear OS + One UI Watch | Mibro OS |
| Phone compatibility | Android | Android, iPhone |
| Cellular connection | eSIM · LTE | None |
| Water rating | 10ATM + IP68 | 5ATM |
| Glass | Sapphire | Not listed |
| Case material | Titanium | Aluminum, 39.9g (woven) |
| GPS | Dual-frequency GNSS | Dual-frequency GNSS |
| Maps | No | No |
| Payment system | Samsung Wallet | None listed |
| Plan requirement | Not required | Not required |
| Listed sensors and features | Sleep apnea, Body composition (BIA), Blood pressure trend, ECG, HRV, SpO2, Skin temperature | Heart rate, SpO2 |
| Safety features | Fall detection, siren, SOS calling | None listed |
| 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
- Display: Galaxy Watch Ultra (2025) lists Super AMOLED, Always-On; Mibro GS Active 2 lists 1.32-inch AMOLED 466x466.
- Brightness: Galaxy Watch Ultra (2025) lists 3000 nits; Mibro GS Active 2 lists 1200 nits. The listed values are 1800 nits apart.
- Operating system: Galaxy Watch Ultra (2025) lists Wear OS + One UI Watch; Mibro GS Active 2 lists Mibro OS. The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
- Phone compatibility: Galaxy Watch Ultra (2025) lists Android; Mibro GS Active 2 lists Android, iPhone.
- Cellular connection: Galaxy Watch Ultra (2025) lists eSIM · LTE; Mibro GS Active 2 lists None. Variant wording is retained. A cellular specification alone does not confirm activation with your mobile carrier.
- Water rating: Galaxy Watch Ultra (2025) lists 10ATM + IP68; Mibro GS Active 2 lists 5ATM.
- Case material: Galaxy Watch Ultra (2025) lists Titanium; Mibro GS Active 2 lists Aluminum, 39.9g (woven). Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
- Payment system: Galaxy Watch Ultra (2025) lists Samsung Wallet; Mibro GS Active 2 lists None listed.
- Listed sensors and features: Galaxy Watch Ultra (2025) lists Sleep apnea, Body composition (BIA), Blood pressure trend, ECG, HRV, SpO2, Skin temperature; Mibro GS Active 2 lists Heart rate, SpO2. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
- Safety features: Galaxy Watch Ultra (2025) lists Fall detection, siren, SOS calling; Mibro GS Active 2 lists None listed.
Where they are the same
- Both list gps: Dual-frequency GNSS.
- Both list maps: No.
- Both list plan requirement: Not required.
- Both list hardware flashlight: No.
Which one fits you
Galaxy Watch Ultra (2025) is listed as a watch 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 one model is better in every respect.
Mibro GS Active 2 is listed as a watch compatible with Android, iPhone. 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 one model is better in every respect.
Information is missing on at least one side for: Battery, as listed, Glass. Those rows are excluded from the exact difference count.
Related pages
- Galaxy Watch Ultra (2025) specifications
- Samsung watches
- Mibro GS Active 2 specifications
- Mibro watches
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