OnePlus Watch 2 vs OnePlus Watch 3
OnePlus Watch 2 and OnePlus Watch 3 are 2024 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 | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Release year | 2024 | 2025 |
| Case sizes | 46 mm | 47 mm |
| Display | 1.43 in AMOLED | LTPO AMOLED (2,200 nits) |
| Brightness | 1000 nits | 2200 nits |
| Battery, as listed | Not listed | Up to 5 days · up to 16 days in power saver mode |
| Operating system | Wear OS 4 + RTOS (dual-engine) | Wear OS 5 (upgradeable to 6) |
| Phone compatibility | Android | Android |
| Cellular connection | None | No eSIM |
| Water rating | 5ATM · IP68 | 5ATM + IP68 |
| Glass | Sapphire | Sapphire |
| Case material | Stainless steel | Stainless steel + titanium bezel |
| GPS | Dual-frequency GNSS | Dual-frequency GNSS |
| Maps | Yes | No |
| Payment system | Google Wallet | Google Wallet |
| Plan requirement | Not required | Not required |
| Listed sensors and features | Heart rate, HRV, SpO2 | ECG, HRV, SpO2, Skin temperature |
| Safety features | None listed | Fall detection, 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: OnePlus Watch 2 lists 2024; OnePlus Watch 3 lists 2025. The listed values are 1 years apart.
- Case sizes: OnePlus Watch 2 lists 46 mm; OnePlus Watch 3 lists 47 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
- Display: OnePlus Watch 2 lists 1.43 in AMOLED; OnePlus Watch 3 lists LTPO AMOLED (2,200 nits).
- Brightness: OnePlus Watch 2 lists 1000 nits; OnePlus Watch 3 lists 2200 nits. The listed values are 1200 nits apart.
- Operating system: OnePlus Watch 2 lists Wear OS 4 + RTOS (dual-engine); OnePlus Watch 3 lists Wear OS 5 (upgradeable to 6). The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
- Cellular connection: OnePlus Watch 2 lists None; OnePlus Watch 3 lists No eSIM. Variant wording is retained. A cellular specification alone does not confirm activation with your mobile carrier.
- Case material: OnePlus Watch 2 lists Stainless steel; OnePlus Watch 3 lists Stainless steel + titanium bezel. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
- Maps: OnePlus Watch 2 lists Yes; OnePlus Watch 3 lists No.
- Listed sensors and features: OnePlus Watch 2 lists Heart rate, HRV, SpO2; OnePlus Watch 3 lists ECG, HRV, SpO2, Skin temperature. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
- Safety features: OnePlus Watch 2 lists None listed; OnePlus Watch 3 lists Fall detection, SOS calling.
Where they are the same
- Both list phone compatibility: Android.
- Both list glass: Sapphire.
- Both list gps: Dual-frequency GNSS.
- Both list payment system: Google Wallet.
- Both list plan requirement: Not required.
- Both list hardware flashlight: No.
Which one fits you
OnePlus Watch 2 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.
OnePlus Watch 3 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.
Information is missing on at least one side for: Battery, as listed. Those rows are excluded from the exact difference count.
Related pages
- OnePlus Watch 2 specifications
- OnePlus watches
- OnePlus Watch 3 specifications
- OnePlus Watch 3 vs OnePlus Watch 4
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- Apple Watch Series 11 vs Apple Watch Series 12
- Pixel Watch 2 vs Pixel Watch 3
- Pixel Watch 3 vs Pixel Watch 4
- Galaxy Watch 6 vs Galaxy Watch 7
- All pair comparisons