Apple - Watch SE 3 vs Samsung - Galaxy Watch 7 (44mm)
Between the Watch SE 3 and Galaxy Watch 7 (44mm), the Watch SE 3 comes out ahead in display size and weight, while the Galaxy Watch 7 (44mm) wins on peak brightness and battery life. Overall, the Watch SE 3 scores 56.1 and the Galaxy Watch 7 (44mm) scores 48.9 on our Mars Score.
Which should you buy?
The Watch SE 3 edges ahead on the Mars Score (56.1 vs 48.9), but the 7.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Watch SE 3 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 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 peak brightness, battery life, ecg, among others.
Both ship with comparable cellular, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: the Watch SE 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Apple - Watch SE 3 wins
- ▲Display size — 21.09% more. 1.78 " vs 1.47 ".
- ▲Weight — 1.00 g less. 33 vs 34.
Why Samsung - Galaxy Watch 7 (44mm) wins
- ▲Peak brightness — 200.00% more. 3000 nits vs 1000 nits.
- ▲Battery life — 122.22% more. 40 h vs 18 h.
- ▲Has ECG.
- ▲Has SpO2.
Spec comparison
Design
| Spec | Apple - Watch SE 3 | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| Case size | 44 mm | 44 mm |
| Weight | 33 glead | 34 g |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Apple - Watch SE 3 | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| Display size | 1.78 "lead | 1.47 " |
| Always-on display | false | truelead |
| Peak brightnessⓘ | 1000 nits | 3000 nitslead |
Health & Fitness
| Spec | Apple - Watch SE 3 | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| ECG | false | truelead |
| SpO2 | false | truelead |
| Temperature sensor | false | truelead |
| Sleep tracking | true | true |
| Blood pressure | false | truelead |
Battery & Connectivity
| Spec | Apple - Watch SE 3 | Samsung - Galaxy Watch 7 (44mm) |
|---|---|---|
| Battery life | 18 h | 40 hlead |
| GPS | true | true |
| Cellular | true | true |
| NFC | true | true |
| OS | watchOS | WearOSlead |
Frequently asked
Which has longer battery life, Watch SE 3 or Galaxy Watch 7 (44mm)?+
Galaxy Watch 7 (44mm) lasts 40h vs 18h.
Do Watch SE 3 or Galaxy Watch 7 (44mm) support ECG?+
Galaxy Watch 7 (44mm) supports ECG; Watch SE 3 does not.
Which has cellular, Watch SE 3 or Galaxy Watch 7 (44mm)?+
Both offer cellular variants.
Spec-level deep dives
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