Huawei
Device summary
OPPO
OPPO Watch 4 Pro
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2023 |
| Starting price | — | — |
| Display size | 1.8-inch | 1.9-inch |
| Dimensions | 38.0 mm × 48.0 mm × 13.3 mm | 38.3 mm × 50.1 mm × 12.8 mm |
| Weight | 40 g | 52 g |
| Front material | Glass | C-type 3D glass |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | LTPO AMOLED |
| Resolution | 480 × 408 | 378 × 496 |
| Protection | — | C-type 3D glass |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Snapdragon W5 + BES2700 |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Magnetic charging base (~65 min full; 10 min ≈ 24 h) |
| Battery type | Lithium-ion | Lithium-ion |
| Rated capacity | — | 570 mAh |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GNSS (Beidou, GPS, Galileo, GLONASS, QZSS), eSIM (China carriers; regional) |
| Bluetooth | Bluetooth | Bluetooth 5.0 |
| NFC | Yes | Yes |
| Wi‑Fi | — | Wi-Fi 2.4 / 5 GHz (802.11 a/b/g/n) |
| Build & durability | ||
| Frame | Aluminum | Stainless steel |
| Ingress protection | IP68 | 5 ATM |
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2023 |
| Starting price | — | — |
| Display size | 1.8-inch | 1.9-inch |
| Dimensions | 38.0 mm × 48.0 mm × 13.3 mm | 38.3 mm × 50.1 mm × 12.8 mm |
| Weight | 40 g | 52 g |
| Front material | Glass | C-type 3D glass |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | LTPO AMOLED |
| Resolution | 480 × 408 | 378 × 496 |
| Protection | — | C-type 3D glass |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Snapdragon W5 + BES2700 |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Magnetic charging base (~65 min full; 10 min ≈ 24 h) |
| Battery type | Lithium-ion | Lithium-ion |
| Rated capacity | — | 570 mAh |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GNSS (Beidou, GPS, Galileo, GLONASS, QZSS), eSIM (China carriers; regional) |
| Bluetooth | Bluetooth | Bluetooth 5.0 |
| NFC | Yes | Yes |
| Wi‑Fi | — | Wi-Fi 2.4 / 5 GHz (802.11 a/b/g/n) |
| Build & durability | ||
| Frame | Aluminum | Stainless steel |
| Ingress protection | IP68 | 5 ATM |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
HUAWEI WATCH D2
12 g lighter
Height
OPPO Watch 4 Pro
2.1 mm taller · minor difference
Thickness
OPPO Watch 4 Pro
0.5 mm thinner · minor difference
Width
Very similar width
What these size differences mean
Calculated from the dimensions shown, rounded to 0.1 mm and 1 g. Percentages use the smaller measurement as the reference. Fold and rotation settings affect the dimensions compared.
- OPPO Watch 4 Pro is 0.3 mm (0.8% relative to HUAWEI WATCH D2) wider. Check this difference against the width of your current device and pocket opening.
- OPPO Watch 4 Pro is 2.1 mm (4.4% relative to HUAWEI WATCH D2) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- HUAWEI WATCH D2 is 0.5 mm (3.9% relative to OPPO Watch 4 Pro) thicker. Cases and camera protrusions can change the clearance you need.
- HUAWEI WATCH D2 is 12 g lighter. This is the listed device-weight difference, not a measured comfort rating.
Use these figures to compare physical size. They do not establish one-handed reach, pocket fit, durability or an overall winner.
Sources and measurement notes
Sizometry compares published specifications and calculates differences. These are not hands-on measurements or tests of comfort, performance or pocket fit.
Check the exact model, year, region and configuration on the linked page. References may cover several variants. Folded and unfolded dimensions differ; cases and camera protrusions may change the space a device needs. Drawings share a relative scale and are not calibrated to life size on your screen.