OnePlus Watch 2 vs Withings ScanWatch
The Verdict
OnePlus Watch 2 and Withings ScanWatch pursue fundamentally different smartwatch philosophies at nearly identical prices. OnePlus delivers a full-featured Wear OS experience with Snapdragon W5 processing, vibrant 1.43-inch AMOLED display (466x466), and comprehensive connectivity including GPS, NFC, and Wi-Fi. Its standout feature is exceptional battery longevity, reaching 100 hours in smart mode or 12 days in power saver mode, plus dual-engine architecture ensures snappy performance. However, it lacks ECG functionality. Withings ScanWatch takes the opposite approach, prioritizing analog watch aesthetics with a hybrid display combining traditional hands and a small PMOLED screen. Its 30-day battery life edges OnePlus's power saver mode, and it includes ECG monitoring for heart rhythm analysis, a clinical-grade health feature. Withings sacrifices smartwatch features: no GPS, NFC, or app ecosystem. Lighter body weight at 49g versus 58g favors OnePlus slightly. Choose OnePlus Watch 2 if you want app support, navigation, and payments; select Withings ScanWatch if health monitoring depth and traditional watch styling matter more than mobile features.
Who Should Buy
Buy the OnePlus Watch 2 if…
- →Industry-leading battery life for a Wear OS smartwatch
- →Dual-chip architecture combines Wear OS with efficient RTOS
- →Premium build with sapphire crystal and stainless steel
Buy the Withings ScanWatch if…
- →30-day battery life eliminates daily or weekly charging
- →Medical-grade ECG and SpO2 monitoring for clinical health insights
- →Classic analog watch design looks professional and stylish
Category Scores
Pros & Cons
OnePlus Watch 2
Pros
- Industry-leading battery life for a Wear OS smartwatch
- Dual-chip architecture combines Wear OS with efficient RTOS
- Premium build with sapphire crystal and stainless steel
- Dual-frequency L1+L5 GPS for accurate tracking
- Full Google Wear OS app ecosystem
Cons
- Only one 46mm size, too large for smaller wrists
- No ECG or skin temperature sensor
- No cellular variant available
- Non-rotating crown, no rotating bezel
- iPhone compatibility is limited
Withings ScanWatch
Pros
- 30-day battery life eliminates daily or weekly charging
- Medical-grade ECG and SpO2 monitoring for clinical health insights
- Classic analog watch design looks professional and stylish
- Sapphire crystal is highly scratch resistant
- Sleep tracking with breathing disturbance detection
Cons
- Tiny PMOLED screen limits smart features and notifications
- No GPS — relies on phone for location tracking
- No NFC for contactless payments
- Very limited smart features compared to Apple Watch or Wear OS
- No third-party app support
Full Specifications
| Spec | OnePlus Watch 2 | Withings ScanWatch |
|---|---|---|
| Software | Wear OS 4 (dual-engine architecture) | Withings proprietary (Health Mate app) |
| Body | ||
| Weight | 49 g | 58 g (42mm) |
| Case material | Stainless steel case with sapphire crystal glass | Stainless steel with sapphire crystal |
| Water resistance | 5 ATM, IP68 | 5ATM (50m) |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 100 hours smart mode, 12 days power saver | Up to 30 days |
| Display | ||
| Size | 1.43 inch | 42mm |
| Type | AMOLED | Hybrid analog + PMOLED |
| Always-on display | ||
| Resolution | 466 x 466 | Analog dial with PMOLED digital display |
| Processor | ||
| RAM | 2 GB | — |
| Chipset | Snapdragon W5 Gen 1 + BES2700 MCU | Withings custom low-power SoC |
| 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 OnePlus products or all Withings products. View full details for the OnePlus Watch 2 or the Withings ScanWatch.