| key specs |
| Display Size | 49mm | 41mm |
| Dial Shape | Rectangle | Rectangle |
| Display Type | OLED Retina | OLED Retina |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Apple | Apple |
| Model | Watch Ultra | Watch Series 8 GPS |
| Release date | September 7, 2022 | September 7, 2022 |
| Model Name | Watch Ultra | Watch Series 8 GPS |
| Dial Shape | Rectangle | Rectangle |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 40m | - |
| Usage | Fitness & Outdoor | Fitness & Outdoor |
| Ideal For | Unisex | Unisex |
| product details |
| Sensor | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor |
| Notification | Yes | Yes |
| Battery Type | Lithium Ion | Lithium Ion |
| Rechargeable Battery | Yes | Yes |
| Battery Life | - | 18 hours |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Features | International Emergency Calling | International Emergency Calling |
| Other Connectivity Features | Emergency SOS | Emergency SOS |
| platform and storage features |
| Operating System | watchOS 9 | watchOS 9 |
| camera and display features |
| Display Size | 49mm | 41mm |
| Display Type | OLED Retina | OLED Retina |
| Backlight Display | Yes | Yes |
| Other Display Features | LTPO OLED Always-On Retina display | LTPO OLED Always-On Retina display |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | Blood Oxgen Sensor, ECG sensor |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |