Samsung - Galaxy Watch 7 Pro vs Google - Pixel Watch 3 (45mm)
Between the Galaxy Watch 7 Pro and Pixel Watch 3 (45mm), the Galaxy Watch 7 Pro comes out ahead in battery life and peak brightness, while the Pixel Watch 3 (45mm) wins on weight. Overall, the Galaxy Watch 7 Pro scores 51.9 and the Pixel Watch 3 (45mm) scores 46.7 on our Mars Score.
Which should you buy?
The Galaxy Watch 7 Pro edges ahead on the Mars Score (51.9 vs 46.7), but the 5.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Watch 7 Pro if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery life, peak brightness, display size, among others.
Pick the Pixel Watch 3 (45mm) if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.
Both ship with comparable ecg, cellular, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: the Galaxy Watch 7 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - Galaxy Watch 7 Pro wins
- ▲Battery life — 122.22% more. 80 h vs 36 h.
- ▲Peak brightness — 50.00% more. 3000 nits vs 2000 nits.
- ▲Display size — 7.14% more. 1.5 " vs 1.4 ".
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Why Google - Pixel Watch 3 (45mm) wins
- ▲Weight — 23.00 g less. 37 vs 60.
Spec comparison
Design
| Spec | Samsung - Galaxy Watch 7 Pro | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Case size | 47 mmlead | 45 mm |
| Weight | 60 g | 37 glead |
| Case material | titanium | aluminum |
| Water resistanceⓘ | 10 ATMlead | 5 ATM |
Display
| Spec | Samsung - Galaxy Watch 7 Pro | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Display size | 1.5 "lead | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 3000 nitslead | 2000 nits |
Health & Fitness
| Spec | Samsung - Galaxy Watch 7 Pro | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | truelead | false |
Battery & Connectivity
| Spec | Samsung - Galaxy Watch 7 Pro | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Battery life | 80 hlead | 36 h |
| GPS | true | true |
| Cellular | true | true |
| NFC | true | true |
| OS | Wear OS | WearOSlead |
Frequently asked
Which has longer battery life, Galaxy Watch 7 Pro or Pixel Watch 3 (45mm)?+
Galaxy Watch 7 Pro lasts 80h vs 36h.
Do Galaxy Watch 7 Pro or Pixel Watch 3 (45mm) support ECG?+
Both support ECG.
Which has cellular, Galaxy Watch 7 Pro or Pixel Watch 3 (45mm)?+
Both offer cellular variants.
Spec-level deep dives
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