Compare phones
| Global Score | |
| 89 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-10 | 2020-03-23 |
| 6.40 x 2.97 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 7.94 ounces | 6.63 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Midnight blue and Raven black |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Exynos 9611 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 108.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 11.55 |
| 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, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi Mix 4 has a general score of 89, which is a little bit better than Galaxy M21's 84.1 overall score. Both devices we compare here use the same Android 11 OS (Operating System), so you shouldn't see any difference regarding OS features. The Xiaomi Mi Mix 4 is a newer and thinner cellphone than Galaxy M21, although it is somewhat heavier.
Galaxy M21 features just a bit better display than Xiaomi Mi Mix 4, because although it has a quite lower 1080 x 2340 resolution and a quite smaller display, it also counts with a quite better pixels density. Xiaomi Mi Mix 4 counts with just a bit better performance than Samsung Galaxy M21, and although they both have the same number of cores, the Xiaomi Mi Mix 4 also has a larger amount of RAM memory.
Galaxy M21 has a quite bigger storage for games and applications than Xiaomi Mi Mix 4, because although it has only 64 GB internal memory capacity, it also counts with an external memory slot that supports up to 512 GB. The Samsung Galaxy M21 has greater battery life than Xiaomi Mi Mix 4, because it has a 6000mAh battery capacity.
The Xiaomi Mi Mix 4 features a much better camera than Samsung Galaxy M21, because it has a way higher 7680x4320 video definition, a way larger camera sensor which gives a lot better photo and video quality, a larger aperture and a lot higher resolution back camera.
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