Compare phones
| Global Score | |
| 76.1 | 76.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | -- |
| 2020-06-29 | 2017-04-28 |
| 6.61 x 3.02 x 0.32 inches | 5.72 x 2.78 x 0.29 inches |
| 6.81 ounces | 5.93 ounces |
| Black | Black, Blue and White |
| Plastic and Plastic | Glass and Metal |
| $ 194.00 | $ 421.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 1600 x 720 pixels | 1920 x 1080 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 424 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.7 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2457 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 540 GPU |
| 9.27 | 9.45 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.35 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | -- |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3350mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Mi 6 is just a bit better than the Galaxy A21, getting a 76.5 score against 76.1. The Xiaomi Mi 6 is an incredibly older cellphone than the Galaxy A21, but Xiaomi made it just a bit thinner and somewhat lighter anyway. The Xiaomi Mi 6 features a bit more powerful processor than Galaxy A21, and although they both have the same number of cores, the Xiaomi Mi 6 also has a greater amount of RAM memory.
Xiaomi Mi 6 counts with a brighter display than Samsung Galaxy A21, because although it has a really smaller screen, it also counts with a better resolution of 1080 x 1920px and a way higher count of pixels per inch of screen. The Xiaomi Mi 6 captures a bit better pictures and videos than Galaxy A21, because although it has a back camera with lot less mega-pixels, and they both have a same size aperture, the Xiaomi Mi 6 also counts with a bigger back-facing camera sensor shooting higher quality videos and photos and a lot better (4K) video resolution.
The Xiaomi Mi 6 counts with just a bit more storage capacity to install games and applications than Galaxy A21, because although it has no SD memory slot, it also counts with 128 GB internal storage. The Samsung Galaxy A21 counts with better battery lifetime than Xiaomi Mi 6, because it has a 4000mAh battery size against 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 the Galaxy A21. If you want to save some dollars, you can buy the Galaxy A21, giving up a couple features and specs, but you'll get the most out of your savings.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.