Compare phones
| Global Score | |
| 76.5 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 10 |
| 2017-04-28 | 2020-06-29 |
| 5.72 x 2.78 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.93 ounces | 6.81 ounces |
| Black, Blue and White | Black |
| Glass and Metal | Plastic and Plastic |
| $ 421.00 | $ 194.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 270 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Mediatek Helio P35 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2457 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 540 GPU | PowerVR GE8320 GPU |
| 9.45 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 12.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.34 inches (1/2.9") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.68 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 3 | 6.7 |
| Battery Life | |
| 3350mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi 6 has a score of 76.5, which is a little bit better than the Galaxy A21's 76.1 global score. Despite of the fact that Xiaomi Mi 6 is notably older than the Galaxy A21, it's design is lighter and just a little thinner. The Xiaomi Mi 6 counts with a sharper screen than Galaxy A21, because although it has a much smaller screen, it also counts with a way greater pixels density and a better resolution of 1080 x 1920px.
Xiaomi Mi 6 features a bit more memory for applications and games than Samsung Galaxy A21, because although it has no SD card slot, it also counts with 128 GB internal memory. Xiaomi Mi 6 has a bit better hardware performance than Samsung Galaxy A21, and although they both have the same number of cores, the Xiaomi Mi 6 also has 3 GB more RAM.
The Xiaomi Mi 6 has a slightly better camera than Galaxy A21, because although it has a camera with much less MP resolution, and they both have a same size camera aperture, the Xiaomi Mi 6 also counts with a bigger sensor taking better quality photos and videos and a much higher (4K) video quality.
The Galaxy A21 has longer battery duration than Xiaomi Mi 6, because it has 4000mAh of battery capacity instead of 3350mAh.
Although Xiaomi Mi 6 is a better device, it is way more expensive than the Galaxy A21, and it doesn't have such a good price and quality relation as Galaxy A21. If you are trying to save some money, you can get Galaxy A21, letting go a few features and specs, but you will get the most out of your money.
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