Compare phones
| Global Score | |
| 81 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 10 |
| -- | 2020-06-29 |
| -- | 6.61 x 3.02 x 0.32 inches |
| -- | 6.81 ounces |
| Black and White | Black |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3200 x 1440 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 524 pixels per inch | 270 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 730 GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 50.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.32 | 9.35 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| 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
Xiaomi 12S Ultra has a general score of 81, which is a little bit better than the Samsung Galaxy A21's score of 76.1. The Xiaomi 12S Ultra body is extremely thinner and notably lighter than Samsung Galaxy A21. Both devices in this review include Android OS (operating system), but the Xiaomi 12S Ultra has the newer 12 version while Samsung Galaxy A21 has Android 10 version, so it gives you a couple additional features and performance improvements.
The Galaxy A21 has an extremely better processing unit than Xiaomi 12S Ultra, although it has less RAM, they both have the same number of cores. The Xiaomi 12S Ultra features a much better looking display than Galaxy A21, because it has a way higher count of pixels per display inch, a much better resolution of 1440 x 3200px and a little bigger display.
The Xiaomi 12S Ultra captures much clearer pictures and videos than Samsung Galaxy A21, because although it has a tinier aperture which is not nice for capturing images in low-light situations, it also counts with a lot better 7680x4320 video quality, a camera with much more MP and a much bigger camera sensor.
The Xiaomi 12S Ultra counts with a way bigger memory for games and applications than Galaxy A21, because although it has no slot for SD memory cards, it also counts with 256 GB internal storage capacity. Xiaomi 12S Ultra features longer battery lifetime than Galaxy A21, because it has a 20% bigger battery size.
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