Compare phones
| Global Score | |
| 89 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-08-10 | 2020-06-29 |
| 6.40 x 2.97 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 7.94 ounces | 6.81 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Black |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Mediatek Helio P35 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | PowerVR GE8320 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 108.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") 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 (480 fps) (Full HD) slow motion video | -- |
| 13.75 | 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, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi Mix 4 has a general score of 89, which is much better than Galaxy A21's 76.1 general score. Even though the Xiaomi Mi Mix 4 is heavier than Galaxy A21, it's a bit thinner and newer. These phones work with Android operating system, but the Xiaomi Mi Mix 4 has 11 version and Galaxy A21 has Android 10 version, providing some extra features and performance improvements.
The Xiaomi Mi Mix 4 counts with a little better performance than Galaxy A21, and although they both have a Octa-Core processor, the Xiaomi Mi Mix 4 also has more RAM. Xiaomi Mi Mix 4 has a sharper screen than Galaxy A21, because it has a higher amount of pixels per inch of screen, a way better 1080 x 2400 resolution and a bit larger screen.
The Xiaomi Mi Mix 4 features a slightly bigger memory capacity to install games and applications than Galaxy A21, because although it has no SD memory slot, it also counts with more internal storage. Xiaomi Mi Mix 4 has a bit superior battery performance than Galaxy A21, because it has a 4500mAh battery capacity.
The Xiaomi Mi Mix 4 shoots much better pictures and videos than Samsung Galaxy A21, because although it has a smaller aperture, it also counts with a way bigger back-facing camera sensor shooting way better quality videos and photographs, a much better 7680x4320 video quality and a camera in the back with lot more mega pixels.
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