Compare phones
| Global Score | |
| 72.5 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11, 10 |
| -- | 2020-03-23 |
| 5.81 x 2.81 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 5.15 ounces | 6.63 ounces |
| Black, Blue, Gray and Yellow | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1440 x 720 pixels | 2340 x 1080 pixels |
| -- | Super AMOLED |
| 293 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.4 | 8.4 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| IMG PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.09 | 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 + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 has a global score of 84.1, which is better than the Xiaomi Redmi 6's 72.5 global score. The Samsung Galaxy M21 comes with Android 11 OS, while Xiaomi Redmi 6 has Android OS. Even being the best cellphone we compare here, the Samsung Galaxy M21 is a just a little thicker and incredibly heavier cellphone than Xiaomi Redmi 6.
The Samsung Galaxy M21 has a bit better processing unit than Xiaomi Redmi 6. Both of them have a Octa-Core processor and 4 GB of RAM. The Galaxy M21 has a brighter display than Xiaomi Redmi 6, because it has a larger screen, a much higher 1080 x 2340px resolution and a higher screen density. Galaxy M21 has just a bit bigger storage capacity to install applications and games or saving photos and videos than Xiaomi Redmi 6, and although they both have equal internal storage capacity, the Galaxy M21 also has an external memory card slot that supports up to 512 GB.
Galaxy M21 counts with a lot better camera than Xiaomi Redmi 6, because it has a lot better video resolution, a bigger aperture for better images and videos in low-light environments and a back facing camera with much more mega-pixels. The Galaxy M21 features a really longer battery life than Xiaomi Redmi 6, because it has a 6000mAh battery size against 3000mAh.
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