Compare phones
| Global Score | |
| 81.4 | 77.8 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 9.0 Pie | Android 11 |
| 2019-04-15 | 2022-03-15 |
| 5.81 x 2.78 x 0.29 inches | 6.01 x 2.75 x 0.32 inches |
| 5.47 ounces | 6.21 ounces |
| 16 777 216 | Blue, Grey and Purple |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.3 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 430 pixels per inch | 418 pixels per inch |
| 600 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 712 SDM712 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 616 GPU | Adreno 650 GPU |
| 9.36 | 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 | 50.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.66 | 11.88 |
| 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 | |
| 3070mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
The Xiaomi Mi 9 SE has a general score of 81.4, which is a bit better than Xiaomi 12X's 77.8 general score. Xiaomi Mi 9 SE is an much older phone than the Xiaomi 12X, but it is somewhat lighter and a little bit thinner anyway. These phones include Android operating system, but the Xiaomi Mi 9 SE has 9.0 Pie version while Xiaomi 12X has Android 11 version, providing you a couple nice extra features and performance enhancements.
The Xiaomi 12X features just a bit better display than Xiaomi Mi 9 SE, because although it has a just a little worse pixel density, it also counts with a little bit larger screen, way more screen brightness and a quite better resolution of 1080 x 2400. The Xiaomi Mi 9 SE and the Xiaomi 12X feature similar storage capacity for games and applications, they have the same 128 GB internal storage.
The Xiaomi Mi 9 SE has a much greater performance than Xiaomi 12X, although it has 2 GB less RAM memory, they both have the same number of cores. Xiaomi 12X counts with a much longer battery performance than Xiaomi Mi 9 SE, because it has a 47% greater battery capacity. Xiaomi 12X captures clearer videos and photos than Xiaomi Mi 9 SE, because although it has a smaller diafragm aperture, it also counts with a back facing camera with a better 50 mega-pixels resolution and a much better video quality.
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