Compare phones
| Global Score | |
| 76.1 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-29 | 2021-08-10 |
| 6.61 x 3.02 x 0.32 inches | 6.40 x 2.97 x 0.31 inches |
| 6.81 ounces | 7.94 ounces |
| Black | Ceramic Black, Ceramic White and Shadow Gray |
| Plastic and Plastic | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 13.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 24.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 9.35 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 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, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix 4 has an overall score of 89, which is much better than the Galaxy A21's 76.1 global score. Xiaomi Mi Mix 4's construction is newer and a little bit thinner, but also heavier than the Galaxy A21. Both phones we are comparing here include Android operating system, but Xiaomi Mi Mix 4 has 11 version while Galaxy A21 has Android 10, offering some additional features and better performance.
The Xiaomi Mi Mix 4 counts with just a bit better processing power than Galaxy A21, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has a greater amount of RAM memory. The Xiaomi Mi Mix 4 counts with a better looking display than Galaxy A21, because it has a much higher resolution of 1080 x 2400px, a little bigger display and more pixels per display inch.
The Xiaomi Mi Mix 4 counts with a way better camera than Galaxy A21, because although it has a tinier aperture which is not nice for shooting images and/or video in low-light situations, it also counts with a camera in the back with a much higher 108 mega pixels resolution, a lot higher video resolution and a lot bigger sensor.
The Xiaomi Mi Mix 4 counts with just a bit more storage to install games and applications than Galaxy A21, because although it has no slot for an SD memory card, it also counts with 128 GB internal memory. Xiaomi Mi Mix 4 counts with a bit better battery lifetime than Samsung Galaxy A21, because it has 4500mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.