Apple
Device summary
Apple
Apple Watch Ultra 3
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2025 |
| Starting price | — | — |
| Display size | — | — |
| Dimensions | 44.0 mm × 49.0 mm × 12.0 mm | 44.0 mm × 49.0 mm × 12.0 mm |
| Weight | 61 g | 62 g |
| Front material | Sapphire crystal | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | Always-On Retina LTPO OLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 410 × 502 | 422 × 514 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Flat sapphire crystal | Flat sapphire crystal |
| Performance | ||
| Chipset | Apple S9 SiP | Apple S10 SiP |
| Storage | 64 GB | 64 GB |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Apple Watch Magnetic Fast Charger | Apple Watch Magnetic Fast Charger |
| Battery type | Built-in rechargeable lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | LTE | 5G RedCap and LTE |
| Wi‑Fi | Wi‑Fi 4 (802.11n) | Wi‑Fi 4 (802.11n) |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| NFC | Yes | Yes |
| Satellite | Emergency SOS via satellite | Emergency SOS via satellite |
| Build & durability | ||
| Frame | Grade 5 titanium | Grade 5 titanium |
| Ingress protection | Water resistance 100m; IP6X dust resistance | Water resistance 100m; IP6X dust resistance |
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2025 |
| Starting price | — | — |
| Display size | — | — |
| Dimensions | 44.0 mm × 49.0 mm × 12.0 mm | 44.0 mm × 49.0 mm × 12.0 mm |
| Weight | 61 g | 62 g |
| Front material | Sapphire crystal | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | Always-On Retina LTPO OLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 410 × 502 | 422 × 514 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Flat sapphire crystal | Flat sapphire crystal |
| Performance | ||
| Chipset | Apple S9 SiP | Apple S10 SiP |
| Storage | 64 GB | 64 GB |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Apple Watch Magnetic Fast Charger | Apple Watch Magnetic Fast Charger |
| Battery type | Built-in rechargeable lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | LTE | 5G RedCap and LTE |
| Wi‑Fi | Wi‑Fi 4 (802.11n) | Wi‑Fi 4 (802.11n) |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| NFC | Yes | Yes |
| Satellite | Emergency SOS via satellite | Emergency SOS via satellite |
| Build & durability | ||
| Frame | Grade 5 titanium | Grade 5 titanium |
| Ingress protection | Water resistance 100m; IP6X dust resistance | Water resistance 100m; IP6X dust resistance |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
Very similar height
Width
Very similar width
Thickness
Very similar thickness
Weight
Very similar weight
Height, width, thickness, and weight are very similar between these devices.