Compare phones
| Global Score | |
| 91.8 | 76.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | -- |
| 2021-01-29 | 2017-04-28 |
| 5.97 x 2.80 x 0.31 inches | 5.72 x 2.78 x 0.29 inches |
| 6.03 ounces | 5.93 ounces |
| Gray, Phantom pink, Violet and White | Black, Blue and White |
| Aluminum and Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 722.00 | $ 421.00 |
| Display / Screen | |
| 6.2 inches | 5.2 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 424 pixels per inch |
| 1300 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2457 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.63 | 9.45 |
| 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 + 10.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.34 inches (1/2.9") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.78 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | -- |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3350mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.36 |
| 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
Galaxy S21 has an overall score of 91.8, which is much better than the Xiaomi Mi 6's 76.5 general score. Although Galaxy S21 is way newer than the Xiaomi Mi 6, it's a little bit thicker and just a little heavier. The Galaxy S21 counts with a slightly better screen than Xiaomi Mi 6, and although they both have a greater pixels count in each inch in the display, the Galaxy S21 also has way more brightness, a larger screen and a little higher resolution of 1080 x 2400 pixels.
Galaxy S21 features a bit more powerful processing unit than Xiaomi Mi 6, and although they both have 8 CPU cores, the Galaxy S21 also has a larger amount of RAM memory. The Xiaomi Mi 6's memory capacity for apps and games is very similar to the Galaxy S21 one, both of them have equal 128 GB internal storage capacity.
Galaxy S21 shoots better photographs and videos than Xiaomi Mi 6, and although they both have a same resolution camera in the back and a F1.8 aperture, the Galaxy S21 also has a much higher 7680x4320 video definition and a way larger sensor taking lot better quality videos and photos. Samsung Galaxy S21 counts with improved battery life than Xiaomi Mi 6, because it has a 19 percent bigger battery size.
The Samsung Galaxy S21 costs a lot more money than Xiaomi Mi 6, but you can get a much better phone for that extra money.
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