Apple Watch Ultra 4 vs Apple Watch Series 8 45mm
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General
| Brand | Apple | Apple |
| Model Name | Watch Ultra 4 | |
| Series | Series 8 | |
| Sim | Yes, eSim | No |
| Ideal For | Men, Women | Men, Women |
| Sales Package | Smartwatch, Strap, Magnetic Fast Charging USB-C Cable, User Manual | Smartwatch (GPS 45mm), User Manual, Charger |
Design and Body
| Weight | 38.8 g | |
| Material | Titanium | Aluminium |
| Shape | Rectangle | Rectangle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 100 m | 50 m |
| Water Resistant Certificate | WR50 | |
| Dust Proof | Yes | Yes |
| Scratch Resistant | Yes | Yes |
Display
| Type | Color MicroLED | Color OLED |
| Touch | Yes, Multi Touch | Yes |
| Size | 1.95 inches | 1.77 inches |
| Resolution | 396 x 484 pixels | |
| PPI | 353 ppi | |
| Ambient Light Sensor | Yes | |
| Always On Display | Yes | |
| Features | Up to 1000 nits Brightness |
Memory
| RAM | 2 GB | |
| Inbuilt Memory | 64 GB | 32 GB |
Connectivity
| Wi-Fi | Yes | Yes |
| Voice Calling | Yes | |
| Bluetooth | Yes, 5.3 | Yes, 5.3 |
| Bluetooth Calling | Yes | |
| GPS | Yes | Yes |
| 3G | Yes | |
| 4G | Yes | |
| VoLTE | Yes |
Extra
| NFC | Yes | No |
| Gesture Control | Yes | Yes |
| Gyroscope | Yes | Yes |
| Voice Assistant | Yes | |
| Inbuilt Microphone | Yes | Yes |
| Inbuilt Speaker | Yes | Yes |
| Notifications | Yes | Yes |
| Extra Features | Crash Detection, MIL-STD 810H, Precision Finding for iPhone | Crash Detection, Blood Glucose Level Monitoring, High and Low Heart Rate Notifications, Irregular Heart Rhythm Notification, Fall Detection, Dust Resistant IP6X Certification, Speaker, Microphone, W3 Wireless Chip |
Camera
| Flash | Yes, Screen Flash |
Technical
| OS | WatchOS | Watch OS |
| Compatible OS | iOS | iPhone 6s or Later with iOS 15 or Later |
| CPU | S9 SiP with 64-bit Processor | S8 SiP with 64-bit |
| GPU | PowerVR | PowerVR |
Multimedia
| Yes | ||
| Music | Yes |
Battery
| Battery Type | Lithium Ion | Lithium Ion |
| Removable Battery | Non-Removable Battery | |
| Fast Charging | Yes | Yes |
| Wireless Charging | Yes |
Fitness Features and Sensors
| Heart Rate Monitor | Yes | Yes |
| SpO2 (Blood Oxygen) Monitor | Yes | Yes |
| BP Monitor | Yes | No |
| Temperature Sensor | Yes | Yes |
| Pedometer | Yes | Yes |
| Altimeter | Yes, Always-on altimeter (-500m to 9000m) | Yes |
| Compass | Yes | |
| Sleep Monitor | Yes | Yes |
| Reminder | Yes | Yes |
| Meters and Sensors | Accelerometer, Calorie Count, Step Count, Barometer, Compass | Accelerometer, Calorie Count, Step Count, Barometer, ECG, Emergency SOS |
| Extra Features | Alarm Clock, Stopwatch, Timer, VO2max, Temperature (body), Temperature (water), Temperature sensing (0.01˚ accuracy), ECG, Blood Glucose Level Monitoring | Alarm Clock, Stopwatch, Timer |
Warranty
| Warranty | 1 year, Manufacturer Warranty |
Discuss
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