Looking for an honest OnePlus Watch 2 vs Samsung Galaxy Watch 7 Ultra comparison in 2026? We scored both smartwatches on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. Both products score nearly identically (31/100 vs 33/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. The widest gap is in display, where the Samsung Galaxy Watch 7 Ultra pulls noticeably ahead.
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OnePlus Watch 2 and Samsung Galaxy Watch 7 Ultra are closely matched smartwatches devices with nearly identical overall scores (31 vs 33). The best choice depends on which specific features matter most to you.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | OnePlus Watch 2 | Samsung Galaxy Watch 7 Ultra |
|---|---|---|
| Display | 1.43" | 2"✓ |
| Display Type | AMOLED | — |
| Resolution | 466 x 466 pixels | — |
| OS | Wear OS 4 | — |
| Heart Rate | Optical HR 24/7 | — |
| SpO2 | Yes (blood oxygen) |
Buy OnePlus Watch 2 if…
The OnePlus Watch 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Samsung Galaxy Watch 7 Ultra if…
The Samsung Galaxy Watch 7 Ultra is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
OnePlus Watch 2 and Samsung Galaxy Watch 7 Ultra are closely matched smartwatches devices with nearly identical overall scores (31 vs 33). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
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The OnePlus Watch 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
The Samsung Galaxy Watch 7 Ultra is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
OnePlus Watch 2 lasts longer with 100 hours vs 40 hours for the other.
Samsung Galaxy Watch 7 Ultra has the larger display (2" vs 1.43").
Reviewed by VersusMatrix Editorial Team
Last updated: May 22, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the smartwatchescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
| — |
| ECG | No | — |
| Temperature | Wrist skin temperature | — |
| GPS | GPS + GLONASS + BeiDou + Galileo | — |
| Workout Modes | 100+ | — |
| Swim Proof | 100m water resistance | — |
| Battery Life | 100hrs✓ | 40hrs |
| Fast Charge | Yes, VOOC | — |
| Bluetooth | Bluetooth 5.3 | — |
| Case Material | Aluminium alloy | — |
| Water Resistance | 5ATM + IP68 | — |
| Weight | 49g✓ | 60g |
| Price | — | 499$ |
OnePlus Watch 2 is lighter at 49g vs 60g.