Google Pixel Watch 4 vs OnePlus Watch 3
The Google Pixel Watch 4 lists for about $50 more than the OnePlus Watch 3. With the screen always on, their makers quote 36 h for the OnePlus Watch 3 and 30 h for the Google Pixel Watch 4. Google sells a paid tier (Google Health Premium) for the Google Pixel Watch 4; OnePlus sells none for the OnePlus Watch 3. Every other published figure for both is in the table, with the rows where they differ tinted.
Google Pixel Watch 4
~$350
Still on sale a year after launch, the 2025 Pixel Watch shares the Pixel Watch 5's case sizes, weights, dual-frequency GPS, satellite SOS and battery ratings.
Best for: Android owners who want Pixel Watch health features for less and don't need the newest software
OnePlus
OnePlus Watch 3
~$300
OnePlus pairs a Snapdragon W5 with a low-power BES2800 chip so that Wear OS runs alongside a lightweight RTOS, which is how it claims multi-day battery.
Best for: Android owners who want Wear OS apps but resent nightly charging
| Specification | Google Pixel Watch 4 | OnePlus Watch 3 |
|---|---|---|
| Approx. price | ~$350 (41 mm Bluetooth/Wi-Fi, 'From $349.99' on store.google.com) | ~$300 (43 mm, $299.99 on oneplus.com/us (46 mm: $349.99); OnePlus renders prices by script, so the figures come from its US buy-page listings) |
| Type | Everyday smartwatch | Everyday smartwatch |
| Platform | Wear OS | Wear OS |
| Case sizes | 41 mm / 45 mm | 43 mm / 46 mm |
| Weight | 41 mm: 31 g · 45 mm: 36.7 g (without band (Google spec page)) | 43 mm: 37.8 g · 46 mm: 49.7 g ('Approximately 37.8g (excluding strap)', stainless steel (OnePlus spec page)) |
| Battery, smartwatch mode | 30 h (Google: 'Up to 30 hours with always-on display' (41 mm, 325 mAh); 45 mm: 'Up to 40 hours with always-on display') | 60 h (OnePlus: 'Battery life for standard use in smart mode: Up to 60h' (43 mm, AOD off); 46 mm: 'Smart mode: Up to 5 days' (120 h, AOD off)) |
| Battery, always-on display | 30 h (Google: 'Up to 30 hours with always-on display' (41 mm)) | 36 h (OnePlus: 'Battery life for heavy use in smart mode: Up to 36h' (43 mm) — its heavy-use test has 'AOD on'; 46 mm: 'Up to 3 days' (72 h) on the same test) |
| Always-on keeps | 100% of the headline figure | 60% of the headline figure |
| Battery, GPS workout | Not published by the maker | Not published by the maker |
| Battery note | Battery Saver: up to 48 h (41 mm) / 72 h (45 mm). No GPS-workout figure published | Power saver mode: up to 7 days (43 mm) / 16 days (46 mm). Heavy-use AOD figures also include 30 min/day of GPS running. 43 mm: 10 minutes of charging for up to 24 hours |
| Works with | Android only | Android only |
| iPhone | No | No |
| Android | Yes | Yes |
| Phone limits | Google: 'Works with most phones running on Android 11.0 or newer'; requires the Google Pixel Watch app. No iPhone support | OnePlus: 'Only supports smartphones with Android 9.0 and above... iOS and Android (Go edition) devices are not supported.' Camera remote and short-video control need a OnePlus/OPPO phone on OxygenOS/ColorOS 15+ |
| Paid tier | Google Health Premium, $119.88/year | No paid tier sold by the maker |
| What the paid tier gates | No watch hardware feature needs it; Premium adds Google Health Coach (Gemini-built adaptive fitness, sleep and health coaching) and most guided workout content | OnePlus sells no paid tier; health data lives in the free OHealth app |
| Update years | 3 years, per Google | Not published by the maker |
| Cleared health features | ECG app (FDA), Irregular rhythm notifications (FDA), Loss of Pulse Detection (FDA) | None the maker cites |
| Display | AMOLED | AMOLED |
| Always-on display | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Music on the watch | Yes | not published |
| LTE | Optional (LTE model needs a carrier plan; the carrier sets the price) | No LTE version |
| Contactless pay | Yes | Yes |
| Water rating | 5 ATM + IP68 | 5ATM + IP68 (46 mm also MIL-STD-810H) |
| Case | aluminum | stainless steel |
| Released | 2025 | 2025 |
Google Pixel Watch 4: what it gives up
- Update guarantee ends October 2028, a year before the Pixel Watch 5's
- Half the storage of the Pixel Watch 5
- Coaching features need Google Health Premium at $9.99 a month
OnePlus Watch 3: what it gives up
- No FDA-cleared ECG, irregular rhythm or Loss of Pulse feature, which Pixel, Galaxy and Apple watches carry
- No LTE version
- 43 mm drops dual-frequency GPS and sapphire, so the two sizes are not equivalent
- OnePlus publishes no software-update commitment
Full pages: Google Pixel Watch 4 · OnePlus Watch 3