Samsung Galaxy Watch 4 vs Withings ScanWatch 2
The Verdict
Samsung Galaxy Watch 4 and Withings ScanWatch 2 serve fundamentally different smartwatch philosophies. Samsung's offering delivers a full-featured Wear OS 3.0 experience with a vibrant 396x396 AMOLED display (40mm) or 450x450 (44mm), Exynos W920 processor, and comprehensive connectivity including GPS, NFC, Wi-Fi, cellular, and Bluetooth 5.0. Health tracking covers ECG, SpO2, heart rate, and sleep monitoring. Battery life reaches approximately 20 hours typically, up to 40 hours in power-saving mode. Weighing 25.9g (40mm) or 30.3g (44mm), it's lightweight aluminum with Gorilla Glass DX+ protection. Withings ScanWatch 2 takes a hybrid analog watch approach with a traditional dial and secondary OLED sub-display, prioritizing extended battery life at 30 days and adding skin temperature monitoring that Samsung lacks. However, it omits GPS, NFC, and cellular connectivity, relying solely on Wi-Fi and Bluetooth. The stainless steel case weighs 39g. Galaxy Watch 4 excels for users wanting apps, payments, and detailed fitness tracking with quick battery recharges. ScanWatch 2 appeals to those preferring classic watch aesthetics, minimal charging hassles, and don't need standalone connectivity. The 100-dollar price difference favors Galaxy Watch 4 for value-conscious buyers seeking a full smartwatch; ScanWatch 2 justifies premium pricing through longevity between charges and temperature monitoring.
Who Should Buy
Buy the Samsung Galaxy Watch 4 if…
- →First Samsung watch with Wear OS and Google apps integration
- →BIA sensor for body composition measurement (body fat, muscle mass)
- →Lightweight and slim design comfortable for all-day wear
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 4
Pros
- First Samsung watch with Wear OS and Google apps integration
- BIA sensor for body composition measurement (body fat, muscle mass)
- Lightweight and slim design comfortable for all-day wear
- ECG and blood pressure monitoring (Samsung phones only)
- Affordable entry into Samsung's smartwatch ecosystem
Cons
- Battery life of 20 hours typical requires daily charging
- Gorilla Glass DX+ scratches more easily than sapphire crystal
- Many health features locked to Samsung Galaxy phones
- Wear OS 3 was buggy at launch with limited app support
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 4 | Withings ScanWatch 2 |
|---|---|---|
| Software | Wear OS 3.0 (One UI Watch 4) | Withings OS |
| Body | ||
| Weight | 25.9 g (40mm) / 30.3 g (44mm) | 39 g |
| Case material | Aluminum with Corning Gorilla Glass DX+ | 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 40 hrs (typical ~20 hrs) | Up to 30 days |
| Display | ||
| Size | 40mm / 44mm | 42 mm |
| Type | Super AMOLED | Hybrid analog + OLED |
| Always-on display | ||
| Resolution | 396 x 396 / 450 x 450 | Hybrid analog with OLED sub-display |
| Processor | ||
| Chipset | Exynos W920 | 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 4 or the Withings ScanWatch 2.

