| key specs |
| Display Size | 49mm | 46mm |
| Dial Shape | Rectangle | Rectangle |
| Display Type | OLED Retina | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| Compatible OS | - | Android |
| Strap Material | - | Rubber |
| general |
| Brand | Apple | Oppo |
| Model | Watch Ultra | Watch ECG Edition |
| Release date | September 7, 2022 | September 25, 2020 |
| Model Name | Watch Ultra | Watch ECG Edition |
| Dial Shape | Rectangle | Rectangle |
| Size | Large | Large |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 40m | 5ATM. IPX8 |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Rubber |
| Interchangeable Strap | - | Yes |
| Strap Colour | - | Black |
| Dial Colour | - | Black |
| product details |
| Sensor | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | Tri-axial acceleration sensor, Gyroscope, Geomagnetic, Barometric, Optical heartbeat sensor, Capacitance sensor, Ambient light sensor, ECG |
| Notification | Yes | Yes |
| Battery Type | Lithium Ion | - |
| Rechargeable Battery | Yes | - |
| Battery Life | - | 40 hours |
| Stand By Time | - | 21 days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Features | International Emergency Calling | Yes |
| Other Connectivity Features | Emergency SOS | - |
| Bluetooth Version | - | 4.2 |
| Messaging Support | - | Yes |
| Third Party App Support | - | Yes |
| platform and storage features |
| Operating System | watchOS 9 | ColorOS |
| Compatible Operating System | - | Android |
| Number of Cores | - | quad-core |
| RAM | - | 1GB |
| Processor Name | - | Qualcomm Snapdragon Wear 2500 + Apollo 3 co-processor |
| Internal Memory | - | 8000 |
| camera and display features |
| Display Size | 49mm | 46mm |
| Display Type | OLED Retina | AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 402x476 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | Fitness Run, 5-Min Workouts, Fat Burn Run, Outdoor Walk, Outdoor Cycling, Swimming, Heart rate monitoring, Sleep monitoring, Get Up Reminder, Guided breathing exercises |
| Number of Buttons | - | 2 |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Weight (g) | - | 45.50 |