Compare phones
| Global Score | |
| 77.7 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 11, 10 |
| -- | 2019-12-27 |
| 6.16 x 2.98 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 5.96 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2280 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 400 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 24.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 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 |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1280 x 720 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3350mAh 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 |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A51 is just a bit better than Xiaomi Mi 8 Lite, with a overall score of 85.5 against 77.7. The Galaxy A51 body is just a little heavier and a bit thicker than Xiaomi Mi 8 Lite. Both of these devices use Android OS, but the Galaxy A51 has the older 11 version while Xiaomi Mi 8 Lite has Android 8.1 Oreo.
Samsung Galaxy A51's processor is very similar to the processing unit in Xiaomi Mi 8 Lite, and although the Samsung Galaxy A51 has a smaller amount of RAM memory, they both have 8 processing cores. The Xiaomi Mi 8 Lite and the Samsung Galaxy A51 feature extremely similar screens, although the Samsung Galaxy A51 also has a little bit better pixels number per inch in the display, a quite larger display and a slightly higher 1080 x 2400 resolution.
Galaxy A51 counts with a much greater storage for applications and games than Xiaomi Mi 8 Lite, and although they both have equal internal memory, the Galaxy A51 also has a SD memory card expansion slot that supports a maximum of 512 GB. Galaxy A51 has a superior camera than Xiaomi Mi 8 Lite, because although it has a tinier aperture which is not good for taking photos in low light environments, and they both have the same 30 fps video frame rate and the same video quality, the Galaxy A51 also counts with a back facing camera with a much better resolution and a way bigger back-facing camera sensor capturing much higher quality videos and photos.
Galaxy A51 counts with longer battery duration than Xiaomi Mi 8 Lite, because it has 4000mAh of battery capacity.
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