Compare phones
| Global Score | |
| 81 | 79.3 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 11, 10 |
| -- | 2020-02-11 |
| -- | 6.51 x 3.02 x 0.35 inches |
| -- | 7.34 ounces |
| Black and White | Atlantis blue, Matrix purple and Phoenix red |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| 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 730G SM7150-AB chipset |
| processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 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 | No SD card slot |
| 13.3 | 7.7 |
| Camera | |
| 50.00 MP + 20.00 MP | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") 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 | 12.1 |
| 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 4800mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 6.32 |
| 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 |
| -- | FM Radio |
Comparison review
The Xiaomi 12S Ultra is just a bit better than Xiaomi Poco X2, getting an 81 score against 79.3. Both of these devices use Android OS (Operating System), but the Xiaomi 12S Ultra has the newer 12 version while Xiaomi Poco X2 has Android 11. The Xiaomi 12S Ultra design is noticeably thinner and notably lighter than Xiaomi Poco X2.
Xiaomi Poco X2 has a lot better processing power than Xiaomi 12S Ultra, although it has 2 GB less RAM, they both have the same number of cores. The Xiaomi 12S Ultra features a way better looking display than Xiaomi Poco X2, and although they both have a display with the same size, the Xiaomi 12S Ultra also has more pixels per inch in the screen and a better resolution of 1440 x 3200.
The Xiaomi 12S Ultra has a much greater memory to store more games and applications than Xiaomi Poco X2, because it has 256 GB internal storage capacity. Xiaomi 12S Ultra counts with a bit longer battery duration than Xiaomi Poco X2, because it has a 4800mAh battery capacity instead of 4500mAh. Xiaomi 12S Ultra counts with just a bit better camera than Xiaomi Poco X2, because although it has a tinier sensor which offers a lower photo and video quality, a tinier diafragm aperture and a lot lower 50 mega pixels resolution camera in the back, it also counts with a lot better 7680x4320 video resolution.
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