Compare phones
| Global Score | |
| 90.8 | 83.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2020-04-29 | 2018-06-05 |
| 6.26 x 2.90 x 0.34 inches | 6.10 x 2.94 x 0.30 inches |
| 6.60 ounces | 6.17 ounces |
| Prism cube black | Black, Blue, Gold and White |
| Aluminum and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2400 x 1080 pixels | 2248 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 402 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 56.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.36 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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
The Galaxy A51 5G has a general score of 90.8, which is a bit better than Xiaomi Mi 8's global score of 83.3. Galaxy A51 5G's body is newer than Xiaomi Mi 8's, although it is thicker and just a little bit heavier. Both of these phones come with Android operating system, but Galaxy A51 5G has 11 version and Xiaomi Mi 8 has Android 10 version.
Xiaomi Mi 8 counts with just a little better hardware performance than Samsung Galaxy A51 5G. Both of them have a Octa-Core processor and 6 GB of RAM memory. The Xiaomi Mi 8 has a slightly better display than Galaxy A51 5G, although it has a little bit lower resolution of 1080 x 2248, a little smaller display and a just a little less pixels per display inch.
Samsung Galaxy A51 5G features a better storage to store more apps and games than Xiaomi Mi 8, because although it has just 128 GB internal storage capacity, it also counts with an external memory card slot that allows a maximum of 1000 GB. The Samsung Galaxy A51 5G has better battery performance than Xiaomi Mi 8, because it has a 32 percent bigger battery capacity.
Galaxy A51 5G takes much better photographs and videos than Xiaomi Mi 8, because although it has a tinier aperture, and they both have the same 3840x2160 (4K) video definition and the same video frame rates, the Galaxy A51 5G also counts with a much higher 48 mega-pixels resolution back facing camera and a way bigger sensor capturing much higher quality videos and photos.
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