| key specs |
| Display Size | 33mm | 41mm |
| Compatible OS | Android, iOS | Android, iOS |
| Strap Material | Leather | Rubber |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Garmin | Oppo |
| Model | D2 Mach 1 | Watch (41mm) |
| Release date | March 28, 2022 | March 6, 2020 |
| Model Name | D2 Mach 1 | - |
| Dial Shape | Round | Rectangle |
| Strap Material | Leather | Rubber |
| Size | Large | - |
| Touchscreen | Yes | - |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | Yes |
| Usage | Aviation, Fitness, Outdoor | - |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | 3ATM |
| Dial Colour | - | Black, Pink Gold, Silver Mist |
| dimensions |
| Width | 47 | 41.45 |
| Height | 47 | 36.37 |
| Thickness | 14.5 | 11.4 |
| Diameter | 33 | - |
| Weight (g) | 70.00 | 30.10 |
| product details |
| Sensor | Compass, heart rate sensor, Accelerometer, Gyroscope, Ambient light sensor | Tri-axial acceleration sensor, Gyroscope, Geomagnetic sensor, Barometer, Optical heartbeat sensor, Capacitance sensor, Ambient light sensor |
| Compatible Device | Android, iPhone | - |
| Notification | Yes | Yes |
| Battery Life | 11 days | 24 hours |
| Stand By Time | - | 14 days |
| connectivity features |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Function | - | Yes |
| Bluetooth Version | - | 4.2 |
| Messaging Support | - | Yes |
| Third Party App Support | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| Internal Memory | 32GB | 8000 |
| Operating System | - | Wear OS |
| Number of Cores | - | quad-core |
| RAM | - | 1GB |
| Processor Name | - | Qualcomm Snapdragon Wear 3100, Ambiq Micro Apollo3 Wireless |
| camera and display features |
| Display Resolution | 416x416 | 320x360 |
| Display Size | 33mm | 41mm |
| Display Type | AMOLED | AMOLED |
| Scratch Resistant | Yes, Sapphire Glass | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Calorie Count | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | Fitness Run, 5-Min Workouts, Fat Burn Run, Outdoor Walk, Outdoor Cycling, Swimming, Heart rate monitoring, Sleep monitoring, Get Up Reminder, Guided breathing exercises |