Compare phones
| Global Score | |
| 89 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-08-10 | 2021-01-29 |
| 6.40 x 2.97 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 7.94 ounces | 6.03 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Gray, Phantom pink, Violet and White |
| Aluminum and Ceramic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") 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 (480 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 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 Li - Ion 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 |
| 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
Samsung Galaxy S21 is a bit better than Xiaomi Mi Mix 4, getting a 91.8 score against 89. The Samsung Galaxy S21 body has the same thickness than the Xiaomi Mi Mix 4, but it is much lighter. Both phones we are comparing here have the same Android 11 operating system, so they should provide you the same operating system features.
Samsung Galaxy S21 features a brighter display than Xiaomi Mi Mix 4, because although it has a little bit smaller screen, and they both have an equal resolution of 1080 x 2400px, the Samsung Galaxy S21 also counts with a little more pixels per screen inch. The Xiaomi Mi Mix 4 counts with just a bit better processing power than Samsung Galaxy S21. Both of them have 8 GB of RAM memory and the same number of cores.
The Samsung Galaxy S21's memory capacity to install games and applications is very similar to Xiaomi Mi Mix 4's one, both have the same 128 GB internal memory. Xiaomi Mi Mix 4 has a way better camera than Samsung Galaxy S21, because although it has a smaller aperture, and they both have the same 24 fps video frame rate and the same 7680x4320 video definition, the Xiaomi Mi Mix 4 also counts with a back facing camera with a lot better 108 megapixels resolution and a lot larger back camera sensor which offers a lot higher photo and video quality.
Xiaomi Mi Mix 4 has a little better battery life than Samsung Galaxy S21, because it has 4500mAh of battery capacity against 4000mAh.
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