Compare phones
| Global Score | |
| 83.2 | 78.8 |
| Basic Information | |
| Xiaomi | Xiaomi |
| -- | Android 12 |
| 2019-03-06 | 2021-12-28 |
| 6.20 x 2.94 x 0.30 inches | 6.01 x 2.75 x 0.32 inches |
| 6.10 ounces | 6.31 ounces |
| Black, Blue and Purple | Black, Blue, Green and Pink |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 403 pixels per inch | 418 pixels per inch |
| 600 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 730 GPU |
| 9.63 | 6.21 |
| 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 + 20.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.1 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 3300mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 a bit better than Xiaomi 12, getting a global score of 83.2 against 78.8. Xiaomi Mi 9 is an much older phone than Xiaomi 12, but Xiaomi was able to build it a bit lighter and just a little thinner. Xiaomi Mi 9 has a very superior processing power than Xiaomi 12, although it has 2 GB less RAM, they both have 8 cores.
The Xiaomi 12 features a little sharper display than Xiaomi Mi 9, because although it has a little smaller screen, it also counts with a quite greater display density, way more brightness and a bit higher 1080 x 2400 resolution. Xiaomi 12's storage capacity to install applications and games is very similar to Xiaomi Mi 9's one, both of them have equal internal memory capacity.
The Xiaomi 12 features superior battery duration than Xiaomi Mi 9, because it has 4500mAh of battery capacity instead of 3300mAh. Xiaomi 12 takes a bit better videos and photos than Xiaomi Mi 9, because although it has a tinier aperture which is worse for low-light images, it also counts with a more mega pixels back-facing camera, a way larger sensor providing a much better image quality and a way better video resolution.
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