Compare phones
| Global Score | |
| 91.8 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 12 |
| 2021-01-29 | 2021-12-28 |
| 5.97 x 2.80 x 0.31 inches | 6.01 x 2.75 x 0.32 inches |
| 6.03 ounces | 6.31 ounces |
| Gray, Phantom pink, Violet and White | Black, Blue, Green and Pink |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.3 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 418 pixels per inch |
| 1300 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 730 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 has a score of 91.8, which is much better than the Xiaomi 12's score of 78.8. The Galaxy S21 body is just a little thinner and just a little lighter than Xiaomi 12, even though it was released just 11 months before. Both of these phones include Android OS (Operating System), but Galaxy S21 has 11 version and Xiaomi 12 has Android 12 version.
Samsung Galaxy S21 has a much greater processing power than Xiaomi 12. They have a 8 GB RAM memory and a Octa-Core processing unit. The Galaxy S21 has a little more vivid display than Xiaomi 12, because although it has a quite smaller display, and they both have an equal 1080 x 2400 resolution, the Galaxy S21 also counts with a quite brighter screen and a just a bit more pixels per inch in the screen.
Xiaomi 12 features a much better camera than Samsung Galaxy S21, because although it has a smaller camera aperture, and they both have the same video frame rate and the same 7680x4320 video definition, the Xiaomi 12 also counts with a bigger back-facing camera sensor shooting better quality videos and pictures and a camera with a lot higher resolution.
The Galaxy S21 and the Xiaomi 12 both have incredibly similar memory capacity to store more games and applications, both of them have exactly the same 128 GB internal storage capacity. Xiaomi 12 has a bit better battery duration than Samsung Galaxy S21, because it has a 4500mAh battery size.
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