Compare phones
| Global Score | |
| 78.8 | 83.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | -- |
| 2021-12-28 | 2019-03-06 |
| 6.01 x 2.75 x 0.32 inches | 6.20 x 2.94 x 0.30 inches |
| 6.31 ounces | 6.10 ounces |
| Black, Blue, Green and Pink | Black, Blue and Purple |
| Aluminum and Glass | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 418 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 855 chipset |
| processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 730 GPU | Adreno 640 GPU |
| 6.21 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.54 | 12.1 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 4500mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.28 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 |
Comparison review
Xiaomi Mi 9 is slightly better than Xiaomi 12, with a score of 83.2 against 78.8. Xiaomi Mi 9's construction is just a little bit lighter and a little thinner than the Xiaomi 12, despite of the fact that it was released 3 years before. Xiaomi 12 features a little more vivid screen than Xiaomi Mi 9, because although it has a bit smaller screen, it also counts with a just a bit higher amount of pixels in each display inch, much more brightness and a slightly better resolution of 1080 x 2400.
Xiaomi Mi 9 has a way better performance than Xiaomi 12, although it has a lower amount of RAM, they both have the same number of cores. The Xiaomi Mi 9's memory to install applications and games or saving photos and videos is very similar to Xiaomi 12's one, they have exactly the same 128 GB internal memory.
Xiaomi 12 has a slightly better camera than Xiaomi Mi 9, because although it has a smaller aperture which is not good for capturing photos and video in poorly lited situations, it also counts with a better resolution back facing camera, a much larger sensor providing a much better image quality and a way higher 7680x4320 video definition.
Xiaomi 12 has better battery duration than Xiaomi Mi 9, because it has a 36 percent greater battery capacity.
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