Samsung - Galaxy Watch 7 (40mm) vs Samsung - Galaxy Watch 7 Pro
Between the Galaxy Watch 7 (40mm) and Galaxy Watch 7 Pro, the Galaxy Watch 7 (40mm) comes out ahead in weight, while the Galaxy Watch 7 Pro wins on battery life and display size. Overall, the Galaxy Watch 7 (40mm) scores 43.8 and the Galaxy Watch 7 Pro scores 51.9 on our Mars Score.
Which should you buy?
The Galaxy Watch 7 Pro is the clear pick on raw spec strength, leading by 8.1 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 Galaxy Watch 7 (40mm) if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight.
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. Its strongest claims are battery life, display size, water resistance.
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 (40mm) wins
- ▲Weight — 31.20 g less. 28.8 vs 60.
Why Samsung - Galaxy Watch 7 Pro wins
- ▲Battery life — 166.67% more. 80 h vs 30 h.
- ▲Display size — 14.50% more. 1.5 " vs 1.31 ".
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Spec comparison
Design
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Case size | 40 mm | 47 mmlead |
| Weight | 28.8 glead | 60 g |
| Case material | aluminum | titanium |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Display
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Display size | 1.31 " | 1.5 "lead |
| Always-on display | true | true |
| Peak brightnessⓘ | 3000 nits | 3000 nits |
Health & Fitness
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | true | true |
Battery & Connectivity
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Battery life | 30 h | 80 hlead |
| GPS | true | true |
| Cellular | true | true |
| NFC | true | true |
| OS | WearOSlead | Wear OS |
Frequently asked
Which has longer battery life, Galaxy Watch 7 (40mm) or Galaxy Watch 7 Pro?+
Galaxy Watch 7 Pro lasts 80h vs 30h.
Do Galaxy Watch 7 (40mm) or Galaxy Watch 7 Pro support ECG?+
Both support ECG.
Which has cellular, Galaxy Watch 7 (40mm) or Galaxy Watch 7 Pro?+
Both offer cellular variants.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.