Compare phones
| Global Score | |
| 83.2 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| -- | Android 12 |
| 2019-03-06 | -- |
| 6.20 x 2.94 x 0.30 inches | -- |
| 6.10 ounces | -- |
| Black, Blue and Purple | Black and White |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| 403 pixels per inch | 524 pixels per inch |
| 600 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 8+ Gen 1 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 | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") 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 (1920 fps) (Full HD) slow motion video |
| 12.1 | 12.32 |
| 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 |
| 6.3 | 10.6 |
| Battery Life | |
| 3300mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.28 | 6.64 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 is a bit better than the Xiaomi 12S Ultra, getting an 83.2 score against 81. Xiaomi Mi 9 counts with a lot better processing power than Xiaomi 12S Ultra, although it has 2 GB less RAM memory, they both have a Octa-Core processing unit. The Xiaomi 12S Ultra features a brighter display than Xiaomi Mi 9, because it has more pixels per inch of screen, a better resolution of 1440 x 3200 pixels, a much brighter display and a little bit bigger display.
The Xiaomi 12S Ultra counts with a superior storage to store more games and applications than Xiaomi Mi 9, because it has 256 GB internal storage capacity. The Xiaomi 12S Ultra has a really longer battery duration than Xiaomi Mi 9, because it has 4800mAh of battery capacity. The Xiaomi 12S Ultra takes slightly better pictures and videos than Xiaomi Mi 9, because although it has a tinier camera aperture which is not so good for low-light captures and video, and they both have a 0.5 inches back camera sensor, the Xiaomi 12S Ultra also counts with a back-facing camera with a better 50 mega-pixels resolution and a much better video definition.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.