Apple Watch Ultra 4 vs Realme Watch S6
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General
| Brand | Apple | Realme |
| Model Name | Watch Ultra 4 | Watch S6 |
| Sim | Yes, eSim | |
| Ideal For | Men, Women | Men, Women |
| Sales Package | Smartwatch, Strap, Magnetic Fast Charging USB-C Cable, User Manual | Smartwatch, Charging Cable, User Manual |
Design and Body
| Weight | 63 g | |
| Material | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame | Zinc Alloy |
| Strap | Silicon | |
| Shape | Rectangle | Circle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 100 m | |
| Water Resistant Certificate | IP6X | IP68 |
| Dust Proof | Yes | |
| Scratch Resistant | Yes |
Display
| Type | Color OLED | Color AMOLED |
| Touch | Yes, Multi Touch | Yes |
| Size | 1.92 inches | 1.97 inches |
| Resolution | 422 x 514 pixels | |
| PPI | 314 ppi | |
| Ambient Light Sensor | Yes | Yes |
| Always On Display | Yes | Yes |
| Glass Type | Sapphire Crystal Glass | |
| Features | 3000 nits Peak Brightness, 1Hz refresh rate |
Memory
| RAM | 2 GB | |
| Inbuilt Memory | 64 GB |
Connectivity
| Wi-Fi | Yes, Wi‑Fi 4 (802.11n) | |
| 5G | Yes | |
| Voice Calling | Yes | |
| Bluetooth | Yes, 5.3 | Yes, 5.3 |
| Bluetooth Calling | Yes | |
| GPS | Yes | |
| 3G | Yes | |
| 4G | Yes | |
| VoLTE | Yes | |
| Call Features | Accept, Reject Calls |
Extra
| NFC | Yes | |
| Gesture Control | Yes | Yes |
| Gyroscope | Yes | |
| Voice Assistant | Yes | Yes |
| Inbuilt Microphone | Yes | Yes |
| Inbuilt Speaker | Yes | Yes |
| Notifications | Yes | Yes |
| Extra Features | Crash Detection | 110+ Sports Mode, AI Analysis, 150+ Watch Faces |
Camera
| Flash | Yes |
Technical
| OS | Watch OS | |
| Compatible OS | iOS | Android, iOS |
| CPU | Apple S11 | |
| GPU | PowerVR |
Multimedia
| Yes | ||
| Music | Yes |
Battery
| Battery Type | Lithium Ion | Lithium Ion |
| Removable Battery | Non-Removable Battery | Non-Removable Battery |
| Battery Backup | 2.08 days | |
| Fast Charging | Yes | |
| Wireless Charging | Yes |
Fitness Features and Sensors
| Heart Rate Monitor | Yes | Yes |
| SpO2 (Blood Oxygen) Monitor | Yes | Yes |
| BP Monitor | Yes | |
| Temperature Sensor | Yes | Yes |
| Pedometer | Yes | Yes |
| Altimeter | Yes | |
| Compass | Yes | |
| Sleep Monitor | Yes | Yes |
| Reminder | Yes | Yes |
| Meters and Sensors | Accelerometer, Calorie Count, Step Count, Barometer, Emergency SOS via satellite | Accelerometer, Calorie Count, Step Count |
| Extra Features | Alarm Clock, Stopwatch, Timer, VO2max, Temperature (body), Temperature (water), Temperature sensing (0.01˚ accuracy), ECG, Blood Glucose Level Monitoring, Recovery HRV | Alarm Clock, Stopwatch, Timer, Stress Monitoring |
Discuss
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