Compare phones
| Global Score | |
| 72.5 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11 |
| -- | 2021-01-29 |
| 5.81 x 2.81 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 5.15 ounces | 6.03 ounces |
| Black, Blue, Gray and Yellow | Gray, Phantom pink, Violet and White |
| Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1440 x 720 pixels | 2400 x 1080 pixels |
| -- | Dynamic AMOLED |
| 293 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.4 | 9.2 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| IMG PowerVR GE8320 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 5.00 MP | 12.00 MP + 10.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.8 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM |
| 5.5 | 10.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 has a score of 91.8, which is much better than Xiaomi Redmi 6's general score of 72.5. Samsung Galaxy S21 has Android 11 OS, while Xiaomi Redmi 6 counts with Android OS. The Samsung Galaxy S21 is a heavier but a little bit thinner phone than Xiaomi Redmi 6. Samsung Galaxy S21 features a lot better screen than Xiaomi Redmi 6, because it has a little bigger screen, a much higher resolution of 1080 x 2400px and a better screen pixels density.
The Galaxy S21 counts with a little better hardware performance than Xiaomi Redmi 6, and although they both have 8 cpu cores, the Galaxy S21 also has a greater amount of RAM. Galaxy S21 has a very superior camera than Xiaomi Redmi 6, and although they both have the same resolution back camera, the Galaxy S21 also has a bigger camera aperture to take better photos and video in poorly lited environments and a lot higher video quality.
Xiaomi Redmi 6 has just a bit more storage capacity to install applications and games or saving photos and videos than Galaxy S21, because although it has 0 less internal storage capacity, it also counts with an external memory card slot that supports up to 256 GB. The Galaxy S21 features superior battery lifetime than Xiaomi Redmi 6, because it has a 4000mAh battery size.
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