| Global Score | |
| 76.7 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11 |
| 2022-03-23 | 2021-01-29 |
| 6.46 x 3.00 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 7.23 ounces | 6.03 ounces |
| Laser Black, Laser Blue and POCO Yellow | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| 1200 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 696 SM6375 (6 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 619 GPU | Adreno 660 GPU |
| 6.12 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 108.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.34 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S21 has a general score of 91.8, which is much better than Xiaomi POCO X4 Pro 5G's 76.7 score. These phones use Android OS, but Samsung Galaxy S21 has the previous 11 version and Xiaomi POCO X4 Pro 5G has Android 12 version. Even though Samsung Galaxy S21 is older than the Xiaomi POCO X4 Pro 5G, it's construction is a little thinner and lighter.
The Galaxy S21 has a much better performance than Xiaomi POCO X4 Pro 5G, and although they both have 8 cpu cores, the Galaxy S21 also has more RAM. The Galaxy S21 counts with a little sharper screen than Xiaomi POCO X4 Pro 5G, because although it has a little bit smaller display, and they both have exactly the same 1080 x 2400 pixels resolution, the Galaxy S21 also counts with a just a little better quantity of pixels in each inch of screen and a quite more display brightness.
The Xiaomi POCO X4 Pro 5G has a much better storage capacity to install applications and games than Galaxy S21, and although they both have exactly the same 128 GB internal memory capacity, the Xiaomi POCO X4 Pro 5G also has a SD memory slot that allows up to 1 TB. Xiaomi POCO X4 Pro 5G features superior battery life than Galaxy S21, because it has 5000mAh of battery capacity.
Galaxy S21 takes just a bit better videos and photos than Xiaomi POCO X4 Pro 5G, because although it has a camera in the back with much less mega pixels resolution, it also counts with a bigger diafragm aperture.
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