Compare phones
| Global Score | |
| 85.5 | 75.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android |
| 2019-12-27 | 2018-06-08 |
| 6.24 x 2.90 x 0.31 inches | 5.80 x 2.88 x 0.30 inches |
| 6.07 ounces | 5.78 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Blue, Gold and Red |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2400 x 1080 pixels | 2244 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 422 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 710 SDM710 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 616 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 7.7 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm 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 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3120mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| 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
The Galaxy A51 has a score of 85.5, which is much better than Xiaomi Mi 8 SE's score of 75.9. The Galaxy A51 works with Android 11 OS, and Xiaomi Mi 8 SE counts with Android OS. Even though the Galaxy A51 is newer than Xiaomi Mi 8 SE, it is just a little bit thicker and just a little bit heavier.
Xiaomi Mi 8 SE counts with a bit sharper screen than Galaxy A51, because although it has a bit worse resolution of 1080 x 2244px and a quite smaller screen, it also counts with a quite better number of pixels per inch of screen. Xiaomi Mi 8 SE's CPU is just as good as Galaxy A51's CPU, and although the Xiaomi Mi 8 SE has more RAM, they both have a Octa-Core CPU.
The Samsung Galaxy A51 takes better videos and photos than Xiaomi Mi 8 SE, because although it has a tinier aperture which is not favorable for low-light captures and videos, and they both have the same video frame rate and the same video quality, the Samsung Galaxy A51 also counts with a way larger back camera sensor shooting way higher quality photographs and videos and a camera with a much higher 48 mega-pixels resolution.
The Galaxy A51 has much more storage capacity for apps and games than Xiaomi Mi 8 SE, because it has a SD extension slot that supports up to 512 GB and more internal memory. The Samsung Galaxy A51 has greater battery life than Xiaomi Mi 8 SE, because it has a 28% greater battery size.
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