Samsung - Galaxy Watch 6 Classic vs Samsung - Galaxy Watch 7 Pro
Between the Galaxy Watch 6 Classic and Galaxy Watch 7 Pro, the Galaxy Watch 6 Classic comes out ahead in weight, while the Galaxy Watch 7 Pro wins on battery life and peak brightness. Overall, the Galaxy Watch 6 Classic scores 48.9 and the Galaxy Watch 7 Pro scores 51.9 on our Mars Score.
Which should you buy?
The Galaxy Watch 7 Pro edges ahead on the Mars Score (48.9 vs 51.9), but the 3.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Watch 6 Classic 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, peak brightness, water resistance, among others.
Both ship with comparable ecg, cellular, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Samsung - Galaxy Watch 6 Classic wins
- ▲Weight — 1.00 g less. 59 vs 60.
Why Samsung - Galaxy Watch 7 Pro wins
- ▲Battery life — 100.00% more. 80 h vs 40 h.
- ▲Peak brightness — 50.00% more. 3000 nits vs 2000 nits.
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
- ▲Display size — 2.04% more. 1.5 " vs 1.47 ".
Spec comparison
Design
| Spec | Samsung - Galaxy Watch 6 Classic | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Case size | 47 mm | 47 mm |
| Weight | 59 glead | 60 g |
| Case material | stainless steel | titanium |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Display
| Spec | Samsung - Galaxy Watch 6 Classic | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Display size | 1.47 " | 1.5 "lead |
| Always-on display | true | true |
| Peak brightnessⓘ | 2000 nits | 3000 nitslead |
Health & Fitness
| Spec | Samsung - Galaxy Watch 6 Classic | 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 6 Classic | Samsung - Galaxy Watch 7 Pro |
|---|---|---|
| Battery life | 40 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 6 Classic or Galaxy Watch 7 Pro?+
Galaxy Watch 7 Pro lasts 80h vs 40h.
Do Galaxy Watch 6 Classic or Galaxy Watch 7 Pro support ECG?+
Both support ECG.
Which has cellular, Galaxy Watch 6 Classic or Galaxy Watch 7 Pro?+
Both offer cellular variants.
Spec-level deep dives
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