OnePlus Watch 2 vs Withings ScanWatch 2
The Verdict
OnePlus Watch 2 and Withings ScanWatch 2 serve different smartwatch philosophies. OnePlus prioritizes digital capabilities with a full 1.43-inch AMOLED display (466 x 466 resolution), Wear OS 4 with dual-engine architecture, and comprehensive connectivity including GPS, NFC, and Wi-Fi. Battery life reaches 100 hours in smart mode, though standard usage typically yields 2-3 days. Withings ScanWatch 2 adopts a hybrid analog-watch design with a small OLED sub-display, delivering exceptional 30-day battery life without compromises. Health tracking differs meaningfully: Withings includes ECG and skin temperature monitoring that OnePlus lacks, while OnePlus offers richer software experiences and app ecosystem access through Wear OS. OnePlus weighs 49 grams versus Withings' lighter 39 grams. At $299.99 versus $349, OnePlus delivers more tech specs and smartwatch features, making it ideal for users wanting traditional smart features. Withings appeals to those prioritizing battery longevity and medical-grade health monitoring in a traditional watch aesthetic. Choose OnePlus for an Android-native experience with GPS and app support; choose Withings for premium health data and month-long battery endurance.
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 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
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 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 | OnePlus Watch 2 | Withings ScanWatch 2 |
|---|---|---|
| Software | Wear OS 4 (dual-engine architecture) | Withings OS |
| Body | ||
| Weight | 49 g | 39 g |
| Case material | Stainless steel case with sapphire crystal glass | Stainless steel |
| Water resistance | 5 ATM, IP68 | 5ATM |
| 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 | 42 mm |
| Type | AMOLED | Hybrid analog + OLED |
| Always-on display | ||
| Resolution | 466 x 466 | Hybrid analog with OLED sub-display |
| Processor | ||
| RAM | 2 GB | — |
| Chipset | Snapdragon W5 Gen 1 + BES2700 MCU | 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 OnePlus products or all Withings products. View full details for the OnePlus Watch 2 or the Withings ScanWatch 2.

