OnePlus Watch 3
OnePlus
Current OnePlus flagship smartwatch as of this writing; no successor found. Sources differ slightly on the exact on-sale date (Feb 25 vs Mar 3, 2025). Uses a dual-chip design: a Snapdragon W5 Gen 1 running Wear OS alongside a newer BES2800 efficiency chip running a custom low-power RTOS.
Display
| Display Type | AMOLED As stated by manufacturer: “LTPO AMOLED” |
|---|---|
| Shape | Round |
| Display Size | 38.1 mm As stated by manufacturer: “1.5 inches” |
| Resolution Width | 466 px |
| Resolution Height | 466 px |
| Pixel Density | 310 ppi |
| Max Brightness | 2200 nits |
| Cover Material | Sapphire crystal |
Performance
| Chipset | Qualcomm Snapdragon W5 Gen 1 |
|---|---|
| RAM | 2 GB |
| Storage | 32 GB |
| Low-Power Coprocessor | BES2800 efficiency chip running a custom low-power RTOS (dual-engine architecture) |
Battery
| Battery Capacity | 648 mAh As stated by manufacturer: “GSMArena spec page; a separate OnePlus press release cited 631 mAh for the "Silicon NanoStack Battery" -- flagging the discrepancy rather than resolving it” |
|---|---|
| Typical Battery Life | 120 hours As stated by manufacturer: “Smart Mode” |
| Charging Type | USB-C wired As stated by manufacturer: “7.5W wired charging” |
| Fast Charging | Yes As stated by manufacturer: “Full charge in about 10 minutes per OnePlus press materials” |
Connectivity
| Bluetooth | Yes |
|---|---|
| Bluetooth Version | 5.2 |
| Wi-Fi | Yes As stated by manufacturer: “802.11 a/b/g/n, dual-band” |
| NFC | Yes |
| Cellular (LTE) | No |
| GPS | Yes |
| Satellite Systems | GPS (L1+L5), GLONASS, Galileo, BeiDou, QZSS |
Sensors
| Heart Rate Sensor | Yes |
|---|---|
| Blood Oxygen (SpO2) Sensor | Yes |
| Skin Temperature Sensor | Yes As stated by manufacturer: “Listed by GSMArena as "thermometer"” |
| Accelerometer | Yes |
| Gyroscope | Yes |
| Compass | Yes |
| Barometer | Yes |
Build & Design
| Case Material | Titanium alloy bezel and stainless steel frame with sapphire crystal front and plastic back |
|---|---|
| Case Diameter | 47.6 mm As stated by manufacturer: “47.6 x 46.6 x 11.8 mm” |
| Case Thickness | 11.8 mm |
| Weight | 49.7 g |
| Water Resistance Rating | IP68 + 5 ATM/50m, MIL-STD-810H |
| Strap Lug Width | 22 mm |
| Interchangeable Straps | Yes |
| Available Colors | Black Titanium, Silver Titanium |
Software & Compatibility
| iPhone Compatible | No As stated by manufacturer: “Modern Wear OS-era OnePlus Watches are Android-only” |
|---|