Compare phones
| Global Score | |
| 91.8 | 75.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 8.0 Oreo, 7.1 Nougat |
| 2021-01-29 | 2018-02-22 |
| 5.97 x 2.80 x 0.31 inches | 6.24 x 2.97 x 0.32 inches |
| 6.03 ounces | 6.38 ounces |
| Gray, Phantom pink, Violet and White | 16 777 216 |
| Aluminum and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 402 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 636 SDM636 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 509 GPU |
| 9.63 | 9 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 has a global score of 91.8, which is much better than Xiaomi Redmi Note 5 Pro's overall score of 75.8. These phones have Android OS (operating system), but Galaxy S21 has 11 version and Xiaomi Redmi Note 5 Pro has Android 8.0 Oreo. The Galaxy S21 is a incredibly newer phone, and it is also a little lighter and a little thinner than the Xiaomi Redmi Note 5 Pro.
Galaxy S21 has a bit better hardware performance than Xiaomi Redmi Note 5 Pro, and although they both have a Octa-Core CPU, the Galaxy S21 also has more RAM memory. The Galaxy S21 counts with a brighter screen than Xiaomi Redmi Note 5 Pro, because it has a quite better resolution of 1080 x 2400px, a little larger screen and a just a bit more pixels per display inch.
The Samsung Galaxy S21 counts with just a bit bigger storage capacity to install applications and games than Xiaomi Redmi Note 5 Pro, because although it has no slot for an SD memory card, it also counts with more internal storage capacity. Xiaomi Redmi Note 5 Pro's battery lifetime is very similar to the battery duration in Galaxy S21.
Galaxy S21 features a very superior camera than Xiaomi Redmi Note 5 Pro, and although they both have a back-facing camera with a 12 mega-pixels resolution, the Galaxy S21 also has a bigger diafragm aperture and a much higher 7680x4320 video definition.
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