Withings ScanWatch 2 42mm vs Samsung Galaxy Watch8 40mm
We break down the differences, cut through the marketing noise, and tell you exactly which one wins and why.
Withings ScanWatch 2 42mm
- + Excellent GPS accuracy
- + Always-on display
THE VERDICT
ScanWatch 2 42mm is the stronger buy for most people because it combines the broader spec lead with a more defensible price. Galaxy Watch8 40mm is not a bad pick, but it only makes more sense if its narrower strengths line up exactly with your workload.
CRITERIA BREAKDOWN
Price Positioning
Galaxy Watch8 40mm lands in this segment and is the easier buy if your goal is maximum value.
Overall Score
ScanWatch 2 42mm carries the stronger OverLKD score and therefore the broader all-round recommendation.
Chip
Both products are close enough on chip that this row is not a deciding factor alone.
Display
ScanWatch 2 42mm leads on display based on the harder spec line.
Battery
Both products are close enough on battery that this row is not a deciding factor alone.
GPS
Both products are close enough on gps that this row is not a deciding factor alone.
THE BIG DIFFERENCES
- ScanWatch 2 42mm wins the value argument while keeping the gap to Galaxy Watch8 40mm at around this tier.
- ScanWatch 2 42mm leads on Display: 42mm Hybrid OLED.
- Galaxy Watch8 40mm is only the better pick if you strongly prefer its brand or design direction.
| SPEC | Withings ScanWatch 2 42mm | Samsung Galaxy Watch8 40mm | READOUT |
|---|---|---|---|
| Chip | Withings custom | Exynos W1000 | Both products are close enough on chip that this row is not a deciding factor alone. |
| Display | 42mm Hybrid OLED | 40mm AMOLED | ScanWatch 2 42mm leads on display based on the harder spec line. |
| Battery | 30 days | 30 hrs | Both products are close enough on battery that this row is not a deciding factor alone. |
| GPS | No | Yes | Both products are close enough on gps that this row is not a deciding factor alone. |
| Health Features | ECG, SpO2, Temperature, Sleep Apnea Detection | ECG, Body Composition, Skin Temperature | Both products are close enough on health features that this row is not a deciding factor alone. |
| OS | Withings OS | Wear OS 6 / One UI Watch | Both products are close enough on os that this row is not a deciding factor alone. |
| Compatibility | iOS & Android | Android | Both products are close enough on compatibility that this row is not a deciding factor alone. |
SPECIFICATIONS
| SPECIFICATIONS | BEST OVERALL Withings ScanWatch 2 42mm | EXCELLENT ALTERNATIVE Samsung Galaxy Watch8 40mm |
|---|---|---|
| ACTION | View on Amazon ↗ | View on Amazon ↗ |
| OVERLKD SCORE | 62/100 | 58/100 |
| CHIP | Withings custom | Exynos W1000 |
| DISPLAY | 42mm Hybrid OLED | 40mm AMOLED |
| BATTERY | 30 days | 30 hrs |
| GPS | No | Yes |
| HEALTH FEATURES | ECG, SpO2, Temperature, Sleep Apnea Detection | ECG, Body Composition, Skin Temperature |
| OS | Withings OS | Wear OS 6 / One UI Watch |
| COMPATIBILITY | iOS & Android | Android |
BUYING TAKEAWAY
If you want the shortest answer: buy ScanWatch 2 42mm unless Galaxy Watch8 40mm's specific advantage is exactly what you need.
Winner: Withings ScanWatch 2 42mm