Compare phones
| Global Score | |
| 91.8 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-08-10 |
| 5.97 x 2.80 x 0.31 inches | 6.40 x 2.97 x 0.31 inches |
| 6.03 ounces | 7.94 ounces |
| Gray, Phantom pink, Violet and White | Ceramic Black, Ceramic White and Shadow Gray |
| Aluminum and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 393 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| 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 | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.75 inches (1/1.33") 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 (480 fps) (Full HD) slow motion video |
| 10.78 | 13.75 |
| 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 Li - Ion 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 |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy S21 is a little bit better than the Xiaomi Mi Mix 4, with a overall score of 91.8 against 89. Both phones in this comparison review have the same Android 11 OS (operating system), so both of them should provide you the same operating system features. Samsung Galaxy S21's body has the same thickness than Xiaomi Mi Mix 4, but it is extremely lighter.
Samsung Galaxy S21 counts with a brighter screen than Xiaomi Mi Mix 4, because although it has a quite smaller screen, and they both have the same resolution of 1080 x 2400, the Samsung Galaxy S21 also counts with a bit greater pixels density. Xiaomi Mi Mix 4 counts with a bit better processing unit than Samsung Galaxy S21. Both of them have a 8 GB RAM and 8 cpu cores.
The Xiaomi Mi Mix 4 captures a lot better photos and videos than Samsung Galaxy S21, because although it has a tinier camera aperture which is worse for low-light photography, and they both have the same video frame rate and the same video quality, the Xiaomi Mi Mix 4 also counts with a much higher resolution camera and a much bigger camera sensor capturing lot better quality videos and photographs.
The Xiaomi Mi Mix 4's storage capacity to install applications and games or saving photos and videos is very similar to Galaxy S21's one, both of them have the same 128 GB internal memory capacity. The Xiaomi Mi Mix 4 has a little longer battery lifetime than Samsung Galaxy S21, because it has 4500mAh of battery capacity instead of 4000mAh.
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