The short verdict
Galaxy Watch Ultra2 edges it on score
The Galaxy Watch Ultra2 leads overall; pick the Galaxy Watch8 if its strengths below matter more to you.
Galaxy Watch Ultra28.6
Galaxy Watch88.4
Choose the Galaxy Watch Ultra2 if
- Galaxy phone owners who hike, run or dive and want Samsung's toughest, longest-lasting watch.
Choose the Galaxy Watch8 if
- Galaxy phone owners who want a slim, comfortable watch with Gemini and strong health tracking.
Key differences
Measured differences only. Ties and tiny gaps are left out.
Why pick theGalaxy Watch Ultra23 wins+67%Brighter screen outdoors5,000 vs 3,000 nits peak
+13%Larger screen1.52 vs 1.34 in
+80%Bigger battery800 vs 445 mAh
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Why pick theGalaxy Watch81 win−0.2"Easier one-handed use1.3" vs 1.5"
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Full specs
Side-by-side specifications
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