Compare phones
| Global Score | |
| 81 | 81.4 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 9.0 Pie |
| -- | 2019-04-15 |
| -- | 5.81 x 2.78 x 0.29 inches |
| -- | 5.47 ounces |
| Black and White | 16 777 216 |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 524 pixels per inch | 430 pixels per inch |
| 1500 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.7 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 730 GPU | Adreno 616 GPU |
| 6.21 | 9.36 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.32 | 11.66 |
| 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 | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 4800mAh Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 5.04 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | 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 SE is just a bit better than Xiaomi 12S Ultra, having an 81.4 score against 81. Both phones in our current comparison come with Android OS (Operating System), but the Xiaomi Mi 9 SE has newer 9.0 Pie version and Xiaomi 12S Ultra has Android 12, so it provides a couple nice extra features.
Xiaomi Mi 9 SE features a much greater processing power than Xiaomi 12S Ultra, although it has a smaller amount of RAM memory, they both have a Octa-Core processing unit. Xiaomi 12S Ultra has a more vivid display than Xiaomi Mi 9 SE, because it has a better resolution of 1440 x 3200px, much more brightness, a little bit bigger display and a little bit more pixels per screen inch.
The Xiaomi 12S Ultra has a way bigger storage to install applications and games than Xiaomi Mi 9 SE, because it has 256 GB internal memory capacity. The Xiaomi 12S Ultra features a slightly better camera than Xiaomi Mi 9 SE, because although it has a smaller aperture, and they both have a same size back-facing camera sensor, the Xiaomi 12S Ultra also counts with a much better 7680x4320 video quality and a more MP camera.
The Xiaomi 12S Ultra has a really longer battery performance than Xiaomi Mi 9 SE, because it has a 4800mAh battery capacity.
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