Compare phones
| Global Score | |
| 75 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-09-12 | 2021-04-02 |
| 6.12 x 2.98 x 0.29 inches | 6.30 x 2.92 x 0.34 inches |
| 5.82 ounces | 6.77 ounces |
| Black, Gold and Pink | Arctic Sky, Astral Black and Winter Mist |
| Metal | Aluminum and Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 16.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| -- | 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 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.35 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
OnePlus 9 is a little bit better than the Xiaomi Mi A1, with a 76 score against 75. Both devices we compare here work with Android OS (Operating System), but OnePlus 9 has older 11 version and Xiaomi Mi A1 has Android 9.0 Pie version. The OnePlus 9 construction is extremely newer, but somewhat thicker and somewhat heavier than Xiaomi Mi A1.
OnePlus 9 counts with a little bit better processing power than Xiaomi Mi A1, and although they both have a Octa-Core processing unit, the OnePlus 9 also has 4 GB more RAM memory. The Xiaomi Mi A1 has a bit better screen than OnePlus 9, although it has a little worse 1080 x 1920 resolution, a bit smaller screen and a bit lower pixels amount per display inch.
OnePlus 9 shoots much better photos and videos than Xiaomi Mi A1, because it has a lot more megapixels back facing camera, a much better video definition and a bigger aperture for better low light images and video. The Xiaomi Mi A1 counts with just a bit more memory capacity for apps and games than OnePlus 9, because although it has less internal storage, it also counts with a SD extension slot that admits a maximum of 256 GB.
The OnePlus 9 has a very superior battery performance than Xiaomi Mi A1, because it has a 4500mAh battery capacity.
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