Compare phones
| Global Score | |
| 83.3 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 11, 10 |
| 2018-06-05 | 2020-04-29 |
| 6.10 x 2.94 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 6.17 ounces | 6.60 ounces |
| Black, Blue, Gold and White | Prism cube black |
| Glass (Corning Gorilla Glass 5) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2248 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 402 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 980 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 13.3 | 15.38 |
| Camera | |
| 12.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 56.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.9 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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
The Galaxy A51 5G is a little bit better than the Xiaomi Mi 8, getting a 90.8 score against 83.3. These devices have Android operating system, but Galaxy A51 5G has the newer 11 version while Xiaomi Mi 8 has Android 10. Galaxy A51 5G is a newer cellphone than Xiaomi Mi 8, but it's a bit heavier and somewhat thicker.
The Xiaomi Mi 8 counts with a bit better hardware performance than Samsung Galaxy A51 5G. Both have 8 cores and 6 GB of RAM. The Xiaomi Mi 8 counts with just a bit better display than Samsung Galaxy A51 5G, although it has a little bit smaller screen, a bit worse pixels density and a little lower 1080 x 2248 resolution.
Samsung Galaxy A51 5G features a better camera than Xiaomi Mi 8, because although it has a tinier aperture which is not recommended for taking images and videos in low light situations, and they both have the same (4K) video quality and the same video frame rates, the Samsung Galaxy A51 5G also counts with a much bigger back camera sensor providing a much higher image quality and a camera with much more mega-pixels.
Galaxy A51 5G has a better memory for games and applications than Xiaomi Mi 8, because although it has only 128 GB internal storage, it also counts with a slot for SD memory cards that holds up to 1000 GB. The Galaxy A51 5G features improved battery life than Xiaomi Mi 8, because it has a 4500mAh battery size.
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