Compare phones
| Global Score | |
| 76.5 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11 |
| 2017-04-28 | 2021-01-29 |
| 5.72 x 2.78 x 0.29 inches | 5.97 x 2.80 x 0.31 inches |
| 5.93 ounces | 6.03 ounces |
| Black, Blue and White | Gray, Phantom pink, Violet and White |
| Glass and Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 421.00 | $ 722.00 |
| Display / Screen | |
| 5.2 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 424 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2457 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.45 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.34 inches (1/2.9") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.68 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 3 | 10.7 |
| Battery Life | |
| 3350mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.36 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 has a general score of 91.8, which is much better than the Xiaomi Mi 6's 76.5 general score. The Samsung Galaxy S21 is a much newer phone than Xiaomi Mi 6, but it's a bit heavier and a little thicker. Galaxy S21 counts with just a bit better display than Xiaomi Mi 6, and although they both have the same count of pixels per display inch, the Galaxy S21 also has much more display brightness, a bit higher 1080 x 2400 resolution and a bigger display.
Samsung Galaxy S21 and Xiaomi Mi 6 both count with extremely similar storage capacity for games and applications, both have equal 128 GB internal storage capacity. The Galaxy S21 counts with a bit superior CPU than Xiaomi Mi 6, and although they both have a Octa-Core processor, the Galaxy S21 also has 2 GB more RAM.
The Galaxy S21 counts with improved battery performance than Xiaomi Mi 6, because it has a 4000mAh battery capacity. Galaxy S21 has a much better camera than Xiaomi Mi 6, and although they both have a same size diafragm aperture and a camera with a 12 MP, the Galaxy S21 also has a lot bigger sensor and a much higher 7680x4320 video resolution.
Samsung Galaxy S21 costs a lot more money than Xiaomi Mi 6, but you can get a much better phone for that few more dollars.
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