Compare phones
| Global Score | |
| 77.8 | 83.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | -- |
| 2022-03-15 | 2019-03-06 |
| 6.01 x 2.75 x 0.32 inches | 6.20 x 2.94 x 0.30 inches |
| 6.21 ounces | 6.10 ounces |
| Blue, Grey and Purple | 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 870 SM8250-AC (7 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 650 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 |
| 50.00mm focal length | 26.00mm focal length |
| -- | 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 |
| 11.88 | 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 |
| 6.32 | 5.28 |
| Other Features | |
| Bluetooth 5.1 | 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 a bit better than the Xiaomi 12X, having a general score of 83.2 against 77.8. The Xiaomi Mi 9 construction is just a little bit lighter and just a little bit thinner than the Xiaomi 12X, even though it was released many years before. The Xiaomi 12X has a little more vivid screen than Xiaomi Mi 9, because although it has a quite smaller display, it also counts with a bit higher 1080 x 2400 resolution, much more screen brightness and a just a little higher display pixels density.
Xiaomi Mi 9 features as much memory to store more apps and games as the Xiaomi 12X, both have the same internal storage capacity. The Xiaomi Mi 9 has an extremely better processor than Xiaomi 12X, although it has a lower amount of RAM memory, they both have 8 cpu cores. Xiaomi Mi 9 has a bit better camera than Xiaomi 12X, because although it has a less mega-pixels camera in the back and a way worse (4K) video definition, it also counts with a bigger diafragm aperture for better low-light photography and videos.
The Xiaomi 12X counts with better battery life than Xiaomi Mi 9, because it has 4500mAh of battery capacity instead of 3300mAh.
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