Samsung Galaxy Watch 3 vs Withings ScanWatch 2
The Verdict
Samsung Galaxy Watch 3 and Withings ScanWatch 2 serve different smartwatch philosophies. Samsung prioritizes a full-featured digital experience with its Super AMOLED 360x360 display, robust performance from the Exynos 9110 processor, and comprehensive connectivity including GPS, NFC, cellular options, and WiFi. Battery life runs approximately 1.5 days typically, requiring frequent charging. Health tracking covers ECG, SpO2, heart rate, and sleep without skin temperature monitoring. Withings ScanWatch 2 takes a hybrid analog approach, featuring a traditional watch face with a small OLED sub-display, delivering exceptional 30-day battery life. It includes all Samsung's health sensors plus skin temperature tracking, yet omits GPS and cellular connectivity. The 39g weight makes it lighter than Samsung's 48.2-53.8g options. At $349 versus $399, Withings costs less and excels for those prioritizing battery longevity and classical aesthetics. Samsung wins for users wanting a smartwatch as a mini-computer with extensive app ecosystems, mobile payments, and navigation. Choose Withings for minimal maintenance and comprehensive health data in traditional watch form. Choose Samsung for an always-connected digital hub on your wrist.
Who Should Buy
Buy the Samsung Galaxy Watch 3 if…
- →Physical rotating bezel provides tactile, satisfying navigation
- →Premium stainless steel build with classic watch aesthetics
- →ECG and SpO2 monitoring were cutting-edge at launch
Buy the Withings ScanWatch 2 if…
- →30-day battery life is unmatched — charge monthly, not daily
- →Looks like a luxury analog watch — no one will know it's smart
- →Medical-grade ECG, SpO2, and respiratory rate monitoring
Category Scores
Pros & Cons
Samsung Galaxy Watch 3
Pros
- Physical rotating bezel provides tactile, satisfying navigation
- Premium stainless steel build with classic watch aesthetics
- ECG and SpO2 monitoring were cutting-edge at launch
- Fall detection with automatic SOS alerts
- Thinner and lighter than Galaxy Watch (2018)
Cons
- Tizen OS is now discontinued — no new app development
- Battery life of 1.5 days typical requires frequent charging
- Older Exynos 9110 is noticeably slower than W920
- Heavy at 48-54 g — uncomfortable for sleep tracking
Withings ScanWatch 2
Pros
- 30-day battery life is unmatched — charge monthly, not daily
- Looks like a luxury analog watch — no one will know it's smart
- Medical-grade ECG, SpO2, and respiratory rate monitoring
- Skin temperature tracking for early illness detection
- Stainless steel build is genuinely elegant
Cons
- No GPS — phone required for route tracking
- Tiny OLED sub-display limits notification readability
- No NFC for contactless payments
- No third-party apps — health tracking only
Full Specifications
| Spec | Samsung Galaxy Watch 3 | Withings ScanWatch 2 |
|---|---|---|
| Software | Tizen OS 5.5 | Withings OS |
| Body | ||
| Weight | 48.2 g (41mm) / 53.8 g (45mm) | 39 g |
| Case material | Stainless Steel / Titanium | Stainless steel |
| Water resistance | 5ATM + IP68, MIL-STD-810G | 5ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 2 days (typical ~1.5 days) | Up to 30 days |
| Display | ||
| Size | 41mm / 45mm | 42 mm |
| Type | Super AMOLED | Hybrid analog + OLED |
| Always-on display | ||
| Resolution | 360 x 360 | Hybrid analog with OLED sub-display |
| Processor | ||
| Chipset | Exynos 9110 | Withings proprietary |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Samsung products or all Withings products. View full details for the Samsung Galaxy Watch 3 or the Withings ScanWatch 2.