Compare phones
| Global Score | |
| 78.8 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11 |
| 2021-12-28 | 2021-01-29 |
| 6.01 x 2.75 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 6.31 ounces | 6.03 ounces |
| Black, Blue, Green and Pink | Gray, Phantom pink, Violet and White |
| Aluminum and Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.3 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 418 pixels per inch | 424 pixels per inch |
| 1100 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 730 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.54 | 10.78 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 has a general score of 91.8, which is much better than the Xiaomi 12's 78.8 general score. Samsung Galaxy S21 is an older device than Xiaomi 12, but it's just a little bit lighter and just a little bit thinner anyway. These phones include Android OS (operating system), but the Samsung Galaxy S21 has the older 11 version and Xiaomi 12 has Android 12 version.
Galaxy S21 features just a bit better screen than Xiaomi 12, because although it has a quite smaller screen, and they both have exactly the same 1080 x 2400 resolution, the Galaxy S21 also counts with a little more pixels per inch of display and a bit brighter screen. Samsung Galaxy S21 has a lot better performance than Xiaomi 12. They have a Octa-Core processing unit and 8 GB of RAM.
Xiaomi 12 features a superior camera than Galaxy S21, because although it has a smaller camera aperture which is not recommended for taking images and video in low-light environments, and they both have the same video frame rate and the same 7680x4320 video quality, the Xiaomi 12 also counts with a bigger back camera sensor capturing higher quality photos and videos and a much better resolution camera.
Galaxy S21's memory capacity to install applications and games is very similar to Xiaomi 12's one, they have the same 128 GB internal storage. Xiaomi 12 counts with a little better battery duration than Galaxy S21, because it has 4500mAh of battery capacity instead of 4000mAh.
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