Apple Watch Ultra 4 vs Apple Watch Series 12 46mm Ceramic
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General
| Brand | Apple | Apple |
| Model Name | Watch Ultra 4 | |
| Series | 12 | |
| Sim | Yes, eSim | Yes |
| Ideal For | Men, Women | Men, Women |
| Sales Package | Smartwatch, Strap, Magnetic Fast Charging USB-C Cable, User Manual | Smartwatch, User Manual, Warranty Card |
Design and Body
| Weight | 63 g | 51.3 g - 52.9 g |
| Material | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame | Ceramic |
| Shape | Rectangle | Rectangle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 100 m | 50 m |
| Water Resistant Certificate | IP6X | IP6X |
| Dust Proof | Yes | Yes |
| Scratch Resistant | Yes |
Display
| Type | Color OLED | Color OLED |
| Touch | Yes, Multi Touch | Yes, Multi Touch |
| Size | 1.92 inches | 1.85 inches |
| Resolution | 422 x 514 pixels | 416 x 496 pixels |
| PPI | 314 ppi | 350 ppi |
| Ambient Light Sensor | Yes | Yes |
| Always On Display | Yes | Yes |
| Glass Type | Sapphire Crystal Glass | Sapphire Crystal |
| Features | Always‑On Retina display with wide‑angle OLEDs and LTPO3, 3000 nits Peak Brightness, 1Hz refresh rate, Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering) | Up to 2,000 nits peak brightness, LTPO3 OLED Display, 1Hz Refresh |
Memory
| RAM | 2 GB | |
| Inbuilt Memory | 64 GB | 64 GB |
Connectivity
| Wi-Fi | Yes, Wi‑Fi 4 (802.11n) | Yes, Wi‑Fi 4 (802.11n) |
| 5G | Yes | Yes |
| Voice Calling | Yes | Yes |
| Bluetooth | Yes, 5.3 | Yes, 5.3 |
| Bluetooth Calling | Yes | |
| GPS | Yes | Yes |
| 3G | Yes | |
| 4G | Yes | Yes |
| VoLTE | Yes |
Extra
| NFC | Yes | |
| Gesture Control | Yes | Yes |
| Gyroscope | Yes | Yes |
| Voice Assistant | Yes | Yes, Siri AI |
| Inbuilt Microphone | Yes | Yes |
| Inbuilt Speaker | Yes | Yes |
| Notifications | Yes | Yes |
| Extra Features | Crash Detection, MIL-STD 810H, Precision Finding for iPhone | Non-invasive blood-glucose monitoring |
Camera
| Flash | Yes |
Technical
| OS | Watch OS | Watch OS |
| Compatible OS | iOS | iOS |
| CPU | Apple S11 | S11 chip with 64‑bit |
| GPU | PowerVR |
Multimedia
| Yes | ||
| Music | Yes | Yes |
Battery
| Battery Type | Lithium Ion | Rechargeable Lithium‑ion |
| Removable Battery | Non-Removable Battery | Non-Removable Battery |
| Battery Backup | 2.08 days | 1 day |
| 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 | |
| Temperature Sensor | Yes | Yes |
| Pedometer | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | 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, ECG, Irregular Rhythm Notifications, Sleep Score |
Warranty
| Warranty | 1 year | |
| Covered in Warranty | Manufacturing Defects | |
| Not Covered in Warranty | Physical Damage | |
| Warranty Service Type | Carry in |
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