Amazfit GTS 4 vs Withings ScanWatch 2
The Verdict
Amazfit GTS 4 delivers exceptional value with its vibrant 1.75-inch AMOLED display, solid 8-day battery life, and comprehensive fitness tracking including SpO2 and sleep monitoring. Withings ScanWatch 2 justifies its $150 premium through advanced health features: ECG capability, skin temperature monitoring, and industry-leading 30-day battery life,ideal for serious health enthusiasts. GTS 4 excels for active users needing daily smartwatch interaction and detailed workout metrics with dual-band GPS. ScanWatch 2 prioritizes medical-grade health data and minimal charging frequency with its hybrid analog-OLED design. Choose Amazfit GTS 4 for fitness tracking and display quality at a reasonable price; select Withings ScanWatch 2 if comprehensive health monitoring and extended battery life justify the investment.
Who Should Buy
Buy the Amazfit GTS 4 if…
- →Large 1.75" AMOLED display is bright and vivid for the price
- →Dual-band GPS provides accurate outdoor tracking rivaling Garmin
- →Ultra-lightweight at 27 g — one of the lightest smartwatches available
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
Amazfit GTS 4
Pros
- Large 1.75" AMOLED display is bright and vivid for the price
- Dual-band GPS provides accurate outdoor tracking rivaling Garmin
- Ultra-lightweight at 27 g — one of the lightest smartwatches available
- 8-day battery comfortably outlasts Apple Watch and Galaxy Watch
- 150+ sport modes cover virtually every activity
Cons
- Zepp OS has a very limited third-party app ecosystem
- No NFC for contactless payments in most markets
- Notification interaction is basic — can't reply to messages
- Build quality feels less premium than Apple or Samsung at this price
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 | Amazfit GTS 4 | Withings ScanWatch 2 |
|---|---|---|
| Software | Zepp OS 2.0 | Withings OS |
| Body | ||
| Weight | 27 g (without strap) | 39 g |
| Case material | Aluminum alloy | Stainless steel |
| Water resistance | 5ATM | 5ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 8 days (typical usage) | Up to 30 days |
| Display | ||
| Size | 42mm (1.75 inches) | 42 mm |
| Type | AMOLED | Hybrid analog + OLED |
| Always-on display | ||
| Resolution | 390 x 450 | Hybrid analog with OLED sub-display |
| Processor | ||
| Chipset | Huami custom processor | 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 Amazfit products or all Withings products. View full details for the Amazfit GTS 4 or the Withings ScanWatch 2.