Compare phones
| Global Score | |
| 81 | 79.8 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 10 |
| -- | 2021-04-16 |
| -- | 6.82 x 5.25 x 0.30 inches |
| -- | 11.18 ounces |
| Black and White | Black and Ceramic |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 8 inches |
| 3200 x 1440 pixels | 2480 x 1860 pixels |
| AMOLED | AMOLED |
| 524 pixels per inch | 388 pixels per inch |
| 1500 cd/m2 brightness | 900 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 888 SM8350 (5 nm) chipset |
| processor | processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 730 GPU | Adreno 660 GPU |
| 6.21 | 6.21 |
| Storage | |
| 256 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 13.3 |
| Camera | |
| 50.00 MP + 20.00 MP | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm focal length | 80.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.32 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 10.6 |
| Battery Life | |
| 4800mAh Battery | 5020mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 12S Ultra is just a bit better than Xiaomi Mi Mix Fold, having a overall score of 81 against 79.8. Both devices in this comparison review come with Android OS, but the Xiaomi 12S Ultra has a newer 12 version while Xiaomi Mi Mix Fold has Android 10. The Xiaomi 12S Ultra is a lighter and a lot thinner phone than Xiaomi Mi Mix Fold.
Xiaomi 12S Ultra features a sharper display than Xiaomi Mi Mix Fold, because although it has a little bit smaller screen and a little bit lower resolution of 1440 x 3200 pixels, it also counts with a higher screen pixel density and much more display brightness. Xiaomi Mi Mix Fold counts with as much memory capacity for applications, games, photos and videos as the Xiaomi 12S Ultra, both of them have the same internal storage.
Xiaomi Mi Mix Fold and Xiaomi 12S Ultra feature quite similar processing units, and although the Xiaomi Mi Mix Fold has a higher amount of RAM, they both have the same number of cores. The Xiaomi Mi Mix Fold has just a bit longer battery performance than Xiaomi 12S Ultra, because it has a 5020mAh battery capacity.
Xiaomi 12S Ultra has a much better camera than Xiaomi Mi Mix Fold, although it has a smaller aperture which is not favorable for shooting pictures and video in low-light situations and a camera with way less megapixels resolution.
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