Compare phones
| Global Score | |
| 75 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-09-12 | 2020-04-29 |
| 6.12 x 2.98 x 0.29 inches | 6.26 x 2.90 x 0.34 inches |
| 5.82 ounces | 6.60 ounces |
| Black, Gold and Pink | Prism cube black |
| Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Mali-G76 MP5 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 10.78 | 15.38 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 26.00mm focal length | 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 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.35 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A51 5G is a lot better than Xiaomi Mi A1, having a score of 90.8 against 75. These phones use Android OS (Operating System), but the Samsung Galaxy A51 5G has an older 11 version and Xiaomi Mi A1 has Android 9.0 Pie version. Even though Samsung Galaxy A51 5G is newer than the Xiaomi Mi A1, it's somewhat thicker and heavier.
Xiaomi Mi A1 has just a bit better looking display than Galaxy A51 5G, although it has a bit worse 1080 x 1920 resolution, a just a little worse pixels number in each inch in the display and a little smaller screen. Galaxy A51 5G has a little bit better processing power than Xiaomi Mi A1, and although they both have a Octa-Core CPU, the Galaxy A51 5G also has a greater amount of RAM memory.
Samsung Galaxy A51 5G takes a lot better photographs and videos than Xiaomi Mi A1, and although they both have the same (4K) video definition and the same 30 fps video frame rate, the Samsung Galaxy A51 5G also has a larger aperture to take better low light images and videos and a much more megapixels camera in the back.
The Galaxy A51 5G counts with much more memory to install applications and games than Xiaomi Mi A1, because it has 128 GB internal memory and a SD memory slot that holds up to 1000 GB. Galaxy A51 5G counts with a much better battery performance than Xiaomi Mi A1, because it has 4500mAh of battery capacity instead of 3080mAh.
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