Compare phones
| Global Score | |
| 77.8 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2022-03-15 | 2020-04-29 |
| 6.01 x 2.75 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 6.21 ounces | 6.60 ounces |
| Blue, Grey and Purple | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 418 pixels per inch | 405 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | Samsung Exynos 980 chipset |
| processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 650 GPU | Mali-G76 MP5 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 50.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.88 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| 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
The Galaxy A51 5G has a score of 90.8, which is much better than the Xiaomi 12X's 77.8 score. Both phones we are comparing come with the same Android 11 operating system. Even being the best we are comparing, Galaxy A51 5G's body is older, just a bit thicker and just a little bit heavier than Xiaomi 12X.
The Galaxy A51 5G counts with a much more powerful CPU than Xiaomi 12X, although it has lesser RAM memory, they both have the same number of cores. Xiaomi 12X counts with a little sharper display than Galaxy A51 5G, because although it has a little bit smaller display, and they both have exactly the same resolution of 1080 x 2400, the Xiaomi 12X also counts with a bit better pixels density.
The Xiaomi 12X takes a little bit better photos and videos than Samsung Galaxy A51 5G, because it has a bigger diafragm aperture to take better low-light images and videos, a camera with more MP and a lot better video definition. The Galaxy A51 5G has a much greater storage capacity to store more apps and games than Xiaomi 12X, and although they both have exactly the same 128 GB internal memory, the Galaxy A51 5G also has a slot for external memory cards that allows up to 1000 GB.
Samsung Galaxy A51 5G and Xiaomi 12X both have very similar battery durations.
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