Samsung - Galaxy Watch 7 (40mm) vs Samsung - Galaxy Watch 7 (44mm)
Between the Galaxy Watch 7 (40mm) and Galaxy Watch 7 (44mm), the Galaxy Watch 7 (40mm) comes out ahead in weight, while the Galaxy Watch 7 (44mm) wins on battery life and display size. Overall, the Galaxy Watch 7 (40mm) scores 43.8 and the Galaxy Watch 7 (44mm) scores 48.9 on our Mars Score.
Which should you buy?
The Galaxy Watch 7 (44mm) edges ahead on the Mars Score (43.8 vs 48.9), but the 5.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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 (44mm) 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.
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 (44mm) 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 — 5.20 g less. 28.8 vs 34.
Why Samsung - Galaxy Watch 7 (44mm) wins
- ▲Battery life — 33.33% more. 40 h vs 30 h.
- ▲Display size — 12.21% more. 1.47 " vs 1.31 ".
Spec comparison
Design
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| Case size | 40 mm | 44 mmlead |
| Weight | 28.8 glead | 34 g |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| Display size | 1.31 " | 1.47 "lead |
| Always-on display | true | true |
| Peak brightnessⓘ | 3000 nits | 3000 nits |
Health & Fitness
| Spec | Samsung - Galaxy Watch 7 (40mm) | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| 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 (44mm) |
|---|---|---|
| Battery life | 30 h | 40 hlead |
| GPS | true | true |
| Cellular | true | true |
| NFC | true | true |
| OS | WearOS | WearOS |
Frequently asked
Which has longer battery life, Galaxy Watch 7 (40mm) or Galaxy Watch 7 (44mm)?+
Galaxy Watch 7 (44mm) lasts 40h vs 30h.
Do Galaxy Watch 7 (40mm) or Galaxy Watch 7 (44mm) support ECG?+
Both support ECG.
Which has cellular, Galaxy Watch 7 (40mm) or Galaxy Watch 7 (44mm)?+
Both offer cellular variants.
Spec-level deep dives
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