Compare phones
| Global Score | |
| 79.2 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-07-24 | 2021-04-02 |
| 6.04 x 2.83 x 0.33 inches | 6.30 x 2.92 x 0.34 inches |
| 6.13 ounces | 6.77 ounces |
| Blue, Gray and White | Arctic Sky, Astral Black and Winter Mist |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.1 inches | 6.5 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 282 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 13.18 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 23.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.44 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4030mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi A3 has an overall score of 79.2, which is a little bit better than the OnePlus 9's 76 score. The Xiaomi Mi A3 construction is just a bit thinner and just a bit lighter than the OnePlus 9, despite of the fact that it was released about a year before. These phones work with the same Android 11 OS.
The OnePlus 9 features a bit faster CPU than Xiaomi Mi A3, and although they both have the same number of cores, the OnePlus 9 also has more RAM. The OnePlus 9 has a more vivid screen than Xiaomi Mi A3, because it has a lot better resolution of 1080 x 2400 pixels, a little bit larger screen and a greater pixel quantity in each screen inch.
Xiaomi Mi A3 counts with a very superior storage capacity for applications, games, photos and videos than OnePlus 9, and although they both have the same internal storage capacity, the Xiaomi Mi A3 also has a slot for SD memory cards that admits a maximum of 256 GB. The OnePlus 9 captures much clearer pictures and videos than Xiaomi Mi A3, and although they both have the same aperture and a camera with a 48 mega-pixels resolution, the OnePlus 9 also has a much higher 7680x4320 video resolution and a way larger sensor taking more light and vivid colors.
The OnePlus 9 features just a little bit longer battery lifetime than Xiaomi Mi A3, because it has 4500mAh of battery capacity instead of 4030mAh.
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