Compare phones
| Global Score | |
| 71.8 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 6.0 Marshmallow | Android 12 |
| 2017-02-14 | -- |
| 5.94 x 2.99 x 0.33 inches | -- |
| 5.82 ounces | -- |
| 16 777 216 | Black and White |
| Metal | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 730 GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 13.3 |
| Camera | |
| 13.00 MP + 5.00 MP | 50.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 24.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.02 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 6.64 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 12S Ultra has a global score of 81, which is much better than the Xiaomi Redmi Note 4X's 71.8 score. Both of these phones work with Android OS (operating system), but Xiaomi 12S Ultra has the older 12 version while Xiaomi Redmi Note 4X has Android 6.0 Marshmallow version. Xiaomi 12S Ultra is a incredibly thinner and extremely lighter phone than the Xiaomi Redmi Note 4X.
Xiaomi 12S Ultra has a much sharper screen than Xiaomi Redmi Note 4X, because it has a bigger screen, a much higher 1440 x 3200 resolution and more pixels per display inch. Xiaomi Redmi Note 4X features a much powerful processor than Xiaomi 12S Ultra, although it has a lower amount of RAM memory, they both have 8 processing cores.
The Xiaomi 12S Ultra has a much greater storage to store more games and applications than Xiaomi Redmi Note 4X, because although it has no external memory card slot, it also counts with 224 GB more internal storage capacity. The Xiaomi 12S Ultra counts with longer battery life than Xiaomi Redmi Note 4X, because it has a 4800mAh battery capacity.
The Xiaomi 12S Ultra has a very superior camera than Xiaomi Redmi Note 4X, and although they both have the same aperture, the Xiaomi 12S Ultra also has a much more mega-pixels camera and a way higher 7680x4320 video resolution.
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