Compare phones
| Global Score | |
| 77.8 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2022-03-15 | 2019-07-24 |
| 6.01 x 2.75 x 0.32 inches | 6.04 x 2.83 x 0.33 inches |
| 6.21 ounces | 6.13 ounces |
| Blue, Grey and Purple | Blue, Gray and White |
| Aluminum and Glass | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.1 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 418 pixels per inch | 282 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | Qualcomm Snapdragon 665 chipset |
| processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Adreno 610 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 13.18 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 50.00mm focal length | -- |
| -- | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.88 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | 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
Xiaomi Mi A3 has a general score of 79.2, which is a little bit better than Xiaomi 12X's general score of 77.8. Both of these phones work with the same Android 11 OS, so both should count with identical OS features. The Xiaomi Mi A3 construction is just a bit lighter than Xiaomi 12X, but it is a little bit thicker and was released many years before.
Xiaomi 12X counts with a way better screen than Xiaomi Mi A3, because it has more pixels per inch of display, a way higher resolution of 1080 x 2400px and a little larger display. Xiaomi Mi A3 counts with a very superior hardware performance than Xiaomi 12X, although it has a lower amount of RAM, they both have 8 cores.
The Xiaomi Mi A3 counts with a very superior storage for applications and games than Xiaomi 12X, and although they both have exactly the same internal storage, the Xiaomi Mi A3 also has an external memory card slot that allows a maximum of 256 GB. The Xiaomi 12X shoots a bit better photographs and videos than Xiaomi Mi A3, because although it has a tinier camera aperture which is not nice for low light photos and videos, it also counts with a camera in the back with a better resolution and a much better 7680x4320 video resolution.
Xiaomi 12X features just a little better battery life than Xiaomi Mi A3, because it has a 12% more battery size.
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