Compare phones
| Global Score | |
| 77.2 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 11, 10 |
| 2018-11-23 | 2020-03-23 |
| 6.22 x 3.01 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 6.42 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Metal and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2280 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 400 pixels per inch | 403 pixels per inch |
| 500 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Exynos 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 509 GPU | Mali-G72 MP3 GPU |
| 9 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.24 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 has a score of 84.1, which is a bit better than Xiaomi Redmi Note 6 Pro's 77.2 score. Galaxy M21 is a newer cellphone than Xiaomi Redmi Note 6 Pro, although it is a bit thicker and just a little bit heavier. Both of these phones include Android operating system, but the Galaxy M21 has an older 11 version while Xiaomi Redmi Note 6 Pro has Android 8.1 Oreo.
The Xiaomi Redmi Note 6 Pro has a little bit better screen than Galaxy M21, because although it has a quite worse pixel count per inch of display, a little bit worse resolution of 1080 x 2280px and a quite smaller display, it also counts with a quite more brightness. Samsung Galaxy M21 counts with a bit more powerful processor than Xiaomi Redmi Note 6 Pro, although it has 2 GB lesser RAM memory, they both have a Octa-Core processing unit.
Samsung Galaxy M21 has a lot better camera than Xiaomi Redmi Note 6 Pro, because although it has a smaller aperture which is worse for shooting photographs in low light environments, it also counts with a lot better resolution back facing camera, a lot better video resolution and a much bigger camera sensor taking way higher quality videos and photos.
The Galaxy M21 counts with a bit more storage to install games and applications than Xiaomi Redmi Note 6 Pro, and although they both have equal 64 GB internal storage, the Galaxy M21 also has a SD card slot that allows a maximum of 512 GB. Galaxy M21 counts with a much better battery duration than Xiaomi Redmi Note 6 Pro, because it has 6000mAh of battery capacity.
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