Compare phones
| Global Score | |
| 85.5 | 85 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2019-12-27 | 2021-04-20 |
| 6.24 x 2.90 x 0.31 inches | 6.32 x 2.98 x 0.27 inches |
| 6.07 ounces | 5.61 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Citrus Yellow, Mint Green and Truffle Black |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 780G chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 670, 64-bit, 5 nm (Quad-Core 2400 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 642 GPU |
| 9.27 | 9.09 |
| 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 | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 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 (240 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 11.44 |
| 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, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4250mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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
Galaxy A51 has an overall score of 85.5, which is a little bit better than the Xiaomi Mi 11 Lite's 85 global score. These devices work with the same Android 11 OS (operating system). Despite being the best in this comparison, it must be noted that it is also older, thicker and just a little heavier.
Galaxy A51 features a bit more powerful processing unit than Xiaomi Mi 11 Lite, because although it has 2 GB less RAM, it also counts with more processing cores. Xiaomi Mi 11 Lite has a little sharper screen than Galaxy A51. They have the same exact 1080 x 2400 resolution, a same size display and the same screen pixels density.
Samsung Galaxy A51 counts with a much better memory for games and applications than Xiaomi Mi 11 Lite, and although they both have exactly the same 128 GB internal memory capacity, the Samsung Galaxy A51 also has a SD memory card expansion slot that holds a maximum of 512 GB. Xiaomi Mi 11 Lite has just a bit better battery life than Galaxy A51, because it has 4250mAh of battery capacity instead of 4000mAh.
Galaxy A51 features a slightly better camera than Xiaomi Mi 11 Lite, although it has a smaller camera aperture which is worse for capturing photos or videos in low-light situations, a lower video resolution and a camera with a lot lower resolution.
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