Apple - Watch Series 10 (46mm) vs Google - Pixel Watch 3 (45mm)
Between the Watch Series 10 (46mm) and Pixel Watch 3 (45mm), the Watch Series 10 (46mm) comes out ahead in display size and weight, while the Pixel Watch 3 (45mm) wins on battery life. Overall, the Watch Series 10 (46mm) scores 62.7 and the Pixel Watch 3 (45mm) scores 46.7 on our Mars Score.
Which should you buy?
The Watch Series 10 (46mm) is the clear pick on raw spec strength, leading by 16.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Watch Series 10 (46mm) if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are display size, weight.
Pick the Pixel Watch 3 (45mm) if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery life.
Both ship with comparable ecg, cellular, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: the Watch Series 10 (46mm) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Apple - Watch Series 10 (46mm) wins
- ▲Display size — 45.71% more. 2.04 " vs 1.4 ".
- ▲Weight — 0.60 g less. 36.4 vs 37.
Why Google - Pixel Watch 3 (45mm) wins
- ▲Battery life — 100.00% more. 36 h vs 18 h.
Spec comparison
Design
| Spec | Apple - Watch Series 10 (46mm) | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Case size | 46 mmlead | 45 mm |
| Weight | 36.4 glead | 37 g |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Apple - Watch Series 10 (46mm) | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Display size | 2.04 "lead | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 2000 nits | 2000 nits |
Health & Fitness
| Spec | Apple - Watch Series 10 (46mm) | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | false | false |
Battery & Connectivity
| Spec | Apple - Watch Series 10 (46mm) | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Battery life | 18 h | 36 hlead |
| GPS | true | true |
| Cellular | true | true |
| NFC | true | true |
| OS | watchOS | WearOSlead |
Frequently asked
Which has longer battery life, Watch Series 10 (46mm) or Pixel Watch 3 (45mm)?+
Pixel Watch 3 (45mm) lasts 36h vs 18h.
Do Watch Series 10 (46mm) or Pixel Watch 3 (45mm) support ECG?+
Both support ECG.
Which has cellular, Watch Series 10 (46mm) or Pixel Watch 3 (45mm)?+
Both offer cellular variants.
Spec-level deep dives
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