Compare phones
| Global Score | |
| 78.2 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 12 |
| 2021-01-18 | -- |
| 6.39 x 3.04 x 0.38 inches | -- |
| 6.98 ounces | -- |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Black and White |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 730 GPU |
| 9.09 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 8.00 MP | 50.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 10.78 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.64 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi 12S Ultra is a little bit better than Xiaomi Redmi 9T, getting a global score of 81 against 78.2. Xiaomi 12S Ultra's design is noticeably thinner and incredibly lighter than the Xiaomi Redmi 9T. Both devices we compare here have Android OS (operating system), but Xiaomi 12S Ultra has newer 12 version while Xiaomi Redmi 9T has Android 10 version.
Xiaomi Redmi 9T has a much better performance than Xiaomi 12S Ultra, although it has 4 GB lesser RAM, they both have a Octa-Core processing unit. The Xiaomi 12S Ultra features an incredibly better screen than Xiaomi Redmi 9T, because it has a little bit bigger screen, more pixels per display inch and a better 1440 x 3200 resolution.
Xiaomi 12S Ultra features more storage for games and applications than Xiaomi Redmi 9T, because although it has no SD memory card expansion slot, it also counts with 256 GB internal memory capacity. The Xiaomi Redmi 9T has superior battery duration than Xiaomi 12S Ultra, because it has a 25 percent bigger battery capacity.
The Xiaomi 12S Ultra has a better camera than Xiaomi Redmi 9T, because although it has a tinier aperture, and they both have the same sensor size, the Xiaomi 12S Ultra also counts with a lot better 7680x4320 video resolution and a back camera with a higher resolution.
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