Compare phones
| Global Score | |
| 81 | 79 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 11, 10 |
| -- | 2020-04-07 |
| -- | 6.53 x 3.02 x 0.35 inches |
| -- | 7.37 ounces |
| Black and White | Aurora blue, Glacier white and Interstellar grey |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 524 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 8 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Adreno 618 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 50.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm 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 | 11.55 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4800mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 12S Ultra has a score of 81, which is just a bit better than Xiaomi Redmi Note 9S's general score of 79. Xiaomi 12S Ultra is a way thinner and noticeably lighter cellphone than Xiaomi Redmi Note 9S. Both of these phones include Android OS, but the Xiaomi 12S Ultra has a more recent 12 version and Xiaomi Redmi Note 9S has Android 11, giving lots of additional features and some performance improvements.
Xiaomi Redmi Note 9S features a much faster processing unit than Xiaomi 12S Ultra, although it has a lower amount of RAM memory, they both have a Octa-Core processor. Xiaomi 12S Ultra counts with a lot better display than Xiaomi Redmi Note 9S, and although they both have a same size screen, the Xiaomi 12S Ultra also has a higher resolution of 1440 x 3200px and a greater number of pixels per inch in the display.
Xiaomi 12S Ultra has a bigger storage capacity to store more games and applications than Xiaomi Redmi Note 9S, because although it has no external memory slot, it also counts with 256 GB internal storage capacity. Xiaomi 12S Ultra has a bit better camera than Xiaomi Redmi Note 9S, because although it has a smaller camera aperture which is worse for capturing photos or video in poorly lited situations, and they both have a 0.5 inches back-facing camera sensor, the Xiaomi 12S Ultra also counts with a camera in the back with a higher resolution and a lot better 7680x4320 video resolution.
The Xiaomi Redmi Note 9S features just a bit longer battery duration than Xiaomi 12S Ultra, because it has a 5% more battery size.
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