OnePlus
OnePlus Watch 2 vs Xiaomi Watch S3
Device summary
Xiaomi
Xiaomi Watch S3
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2023 |
| Starting price | — | — |
| Display size | 1.4-inch | 1.4-inch |
| Dimensions | 46.6 mm × 47.0 mm × 12.1 mm | 47.0 mm × 47.0 mm × 12.0 mm |
| Weight | 49 g | 44 g |
| Front material | Sapphire crystal | — |
| Back material | Plastic (PC / PC+glass fiber) | — |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 466 × 466 | 466 × 466 |
| Peak brightness | 600 nits | — |
| Protection | 2.5D sapphire crystal | — |
| Performance | ||
| Chipset | Snapdragon W5 Gen 1 + BES2700BP MCU | — |
| RAM | 2 GB | — |
| Storage | 32 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Rated capacity | 500 mAh | — |
| Charging standard | Magnetic charging base (USB-C cable) | Magnetic charging dock |
| Battery type | Lithium-ion | Lithium-ion polymer |
| Battery capacity | — | 486 mAh |
| Connectivity | ||
| Cellular | Dual-frequency GPS L1+L5 / multi-GNSS | GPS / multi-GNSS |
| Wi‑Fi | Wi-Fi 2.4 / 5 GHz (802.11 a/b/g/n) | — |
| Bluetooth | Bluetooth 5.0 / BLE | Bluetooth |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Stainless steel | — |
| Ingress protection | 5 ATM / IP68 / MIL-STD-810H | 5 ATM |
Basic information
Release year
- OnePlus Watch 2
- 2024
- Xiaomi Watch S3
- 2023
Starting price
- OnePlus Watch 2
- —
- Xiaomi Watch S3
- —
Display size
- OnePlus Watch 2
- 1.4-inch
- Xiaomi Watch S3
- 1.4-inch
Dimensions
- OnePlus Watch 2
- 46.6 mm × 47.0 mm × 12.1 mm
- Xiaomi Watch S3
- 47.0 mm × 47.0 mm × 12.0 mm
Weight
- OnePlus Watch 2
- 49 g
- Xiaomi Watch S3
- 44 g
Front material
- OnePlus Watch 2
- Sapphire crystal
- Xiaomi Watch S3
- —
Back material
- OnePlus Watch 2
- Plastic (PC / PC+glass fiber)
- Xiaomi Watch S3
- —
Display
Display technology
- OnePlus Watch 2
- AMOLED
- Xiaomi Watch S3
- AMOLED
Resolution
- OnePlus Watch 2
- 466 × 466
- Xiaomi Watch S3
- 466 × 466
Peak brightness
- OnePlus Watch 2
- 600 nits
- Xiaomi Watch S3
- —
Protection
- OnePlus Watch 2
- 2.5D sapphire crystal
- Xiaomi Watch S3
- —
Performance
Chipset
- OnePlus Watch 2
- Snapdragon W5 Gen 1 + BES2700BP MCU
- Xiaomi Watch S3
- —
RAM
- OnePlus Watch 2
- 2 GB
- Xiaomi Watch S3
- —
Storage
- OnePlus Watch 2
- 32 GB
- Xiaomi Watch S3
- —
Expandable storage
- OnePlus Watch 2
- No
- Xiaomi Watch S3
- No
Battery & charging
Rated capacity
- OnePlus Watch 2
- 500 mAh
- Xiaomi Watch S3
- —
Charging standard
- OnePlus Watch 2
- Magnetic charging base (USB-C cable)
- Xiaomi Watch S3
- Magnetic charging dock
Battery type
- OnePlus Watch 2
- Lithium-ion
- Xiaomi Watch S3
- Lithium-ion polymer
Battery capacity
- OnePlus Watch 2
- —
- Xiaomi Watch S3
- 486 mAh
Connectivity
Cellular
- OnePlus Watch 2
- Dual-frequency GPS L1+L5 / multi-GNSS
- Xiaomi Watch S3
- GPS / multi-GNSS
Wi‑Fi
- OnePlus Watch 2
- Wi-Fi 2.4 / 5 GHz (802.11 a/b/g/n)
- Xiaomi Watch S3
- —
Bluetooth
- OnePlus Watch 2
- Bluetooth 5.0 / BLE
- Xiaomi Watch S3
- Bluetooth
NFC
- OnePlus Watch 2
- Yes
- Xiaomi Watch S3
- Yes
Build & durability
Frame
- OnePlus Watch 2
- Stainless steel
- Xiaomi Watch S3
- —
Ingress protection
- OnePlus Watch 2
- 5 ATM / IP68 / MIL-STD-810H
- Xiaomi Watch S3
- 5 ATM
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
Xiaomi Watch S3
5 g lighter · minor difference
Height
Very similar height
Width
Very similar width
Thickness
Very similar thickness