Samsung
Device summary
OPPO
OPPO Watch S
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2025 |
| Starting price | — | — |
| Display size | 1.5-inch | 1.5-inch |
| Dimensions | 43.7 mm × 46.0 mm × 8.6 mm | 45.0 mm × 45.0 mm × 8.9 mm |
| Weight | 34 g | 35 g |
| Front material | Sapphire crystal | Glass |
| Back material | — | PA + 55% fiberglass |
| Display | ||
| Display technology | Super AMOLED | AMOLED |
| Resolution | 480 × 480 | 464 × 464 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Sapphire crystal | Glass |
| Performance | ||
| Chipset | Exynos W1000 (5 Core, 3nm) | BES2800BP MCU |
| RAM | 2 GB | — |
| Storage | 32 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Wireless charging (WPC) with Fast Charging | Integrated magnetic charging cable |
| Battery type | Lithium-ion | Lithium-ion |
| Battery capacity | 435 mAh | — |
| Typical capacity | — | 339 mAh |
| Rated capacity | — | 330 mAh |
| Connectivity | ||
| Cellular | LTE (optional models), Dual-frequency GPS (L1+L5) | Dual-band GPS L1+L5 / multi-GNSS |
| Wi‑Fi | Wi‑Fi 2.4GHz & 5GHz | — |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Armor aluminum | Stainless steel |
| Ingress protection | 5ATM / IP68 / MIL-STD-810H | 5 ATM / IP68 |
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2025 |
| Starting price | — | — |
| Display size | 1.5-inch | 1.5-inch |
| Dimensions | 43.7 mm × 46.0 mm × 8.6 mm | 45.0 mm × 45.0 mm × 8.9 mm |
| Weight | 34 g | 35 g |
| Front material | Sapphire crystal | Glass |
| Back material | — | PA + 55% fiberglass |
| Display | ||
| Display technology | Super AMOLED | AMOLED |
| Resolution | 480 × 480 | 464 × 464 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Sapphire crystal | Glass |
| Performance | ||
| Chipset | Exynos W1000 (5 Core, 3nm) | BES2800BP MCU |
| RAM | 2 GB | — |
| Storage | 32 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Wireless charging (WPC) with Fast Charging | Integrated magnetic charging cable |
| Battery type | Lithium-ion | Lithium-ion |
| Battery capacity | 435 mAh | — |
| Typical capacity | — | 339 mAh |
| Rated capacity | — | 330 mAh |
| Connectivity | ||
| Cellular | LTE (optional models), Dual-frequency GPS (L1+L5) | Dual-band GPS L1+L5 / multi-GNSS |
| Wi‑Fi | Wi‑Fi 2.4GHz & 5GHz | — |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Armor aluminum | Stainless steel |
| Ingress protection | 5ATM / IP68 / MIL-STD-810H | 5 ATM / IP68 |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Width
OPPO Watch S
1.3 mm wider · minor difference
Height
Galaxy Watch8 44mm
1 mm taller · minor difference
Thickness
Galaxy Watch8 44mm
0.3 mm thinner · minor difference
Weight
Very similar weight
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 S is 1.3 mm (3% relative to Galaxy Watch8 44mm) wider. Check this difference against the width of your current device and pocket opening.
- Galaxy Watch8 44mm is 1 mm (2.2% relative to OPPO Watch S) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- OPPO Watch S is 0.3 mm (3.5% relative to Galaxy Watch8 44mm) thicker. Cases and camera protrusions can change the clearance you need.
- Galaxy Watch8 44mm is 1 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.