Compare phones
| Global Score | |
| 85.5 | 76.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2019-12-27 | 2017-04-28 |
| 6.24 x 2.90 x 0.31 inches | 5.72 x 2.78 x 0.29 inches |
| 6.07 ounces | 5.93 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Blue and White |
| Plastic and Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 282.00 | $ 421.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 424 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2457 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 540 GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.68 |
| 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, 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
Galaxy A51 is much better than Xiaomi Mi 6, having a overall score of 85.5 against 76.5. Even though the Galaxy A51 is way newer than the Xiaomi Mi 6, it is a little bit thicker and just a little heavier. The Xiaomi Mi 6 has just a bit better hardware performance than Galaxy A51, and although they both have a Octa-Core processing unit, the Xiaomi Mi 6 also has a larger amount of RAM.
Xiaomi Mi 6 counts with a little more vivid display than Galaxy A51, because although it has a little worse resolution of 1080 x 1920 and a way smaller screen, it also counts with a little greater display pixel density. The Samsung Galaxy A51 features a superior camera than Xiaomi Mi 6, because although it has a smaller diafragm aperture, and they both have the same video frame rate and the same 3840x2160 video definition, the Samsung Galaxy A51 also counts with a much larger sensor taking way higher quality videos and pictures and a back-facing camera with lot more mega pixels.
Galaxy A51 counts with a superior storage for applications, games, photos and videos than Xiaomi Mi 6, and although they both have equal 128 GB internal memory, the Galaxy A51 also has an external memory slot that holds up to 512 GB. Galaxy A51 has superior battery life than Xiaomi Mi 6, because it has a 19 percent larger battery size.
The Samsung Galaxy A51 is not only the best phones of the ones we are comparing here, but it's also a bargain compared to the other ones.
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