Compare phones
| Global Score | |
| 76 | 78 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | -- |
| 2021-04-02 | 2018-07-27 |
| 6.30 x 2.92 x 0.34 inches | 6.25 x 2.97 x 0.29 inches |
| 6.77 ounces | 5.93 ounces |
| Arctic Sky, Astral Black and Winter Mist | Black, Blue, Gold, Pink and Red |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| AMOLED | IPS LCD |
| 405 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 512 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | -- |
| 0.71 inches (1/1.4") sensor | 0.34 inches (1/2.9") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.65 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 4.96 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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 A2 is slightly better than the OnePlus 9, with a 78 score against 76. Even though Xiaomi Mi A2 is way older than OnePlus 9, it's body is lighter and somewhat thinner. The OnePlus 9 counts with a little sharper screen than Xiaomi Mi A2, because it has a bit bigger display, a quite higher display density and a little higher 1080 x 2400 pixels resolution.
OnePlus 9 has a little better performance than Xiaomi Mi A2, and although they both have a Octa-Core processor, the OnePlus 9 also has more RAM. The OnePlus 9 and the Xiaomi Mi A2 both count with very similar memory for applications, games, photos and videos, both of them have exactly the same internal storage capacity.
The OnePlus 9 counts with a really longer battery lifetime than Xiaomi Mi A2, because it has 4500mAh of battery capacity instead of 3010mAh. The OnePlus 9 has a lot better camera than Xiaomi Mi A2, and although they both have a F1.8 diafragm aperture, the OnePlus 9 also has a much better video definition, a way larger camera sensor which offers a way better photo and video quality and a lot more megapixels back facing camera.
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