Compare phones
| Global Score | |
| 90.8 | 77.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-04-29 | 2022-03-15 |
| 6.26 x 2.90 x 0.34 inches | 6.01 x 2.75 x 0.32 inches |
| 6.60 ounces | 6.21 ounces |
| Prism cube black | Blue, Grey and Purple |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 418 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.9 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 650 GPU |
| 9.27 | 6.21 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 50.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 5G has an overall score of 90.8, which is much better than Xiaomi 12X's overall score of 77.8. Galaxy A51 5G is an older, just a little thicker and just a little bit heavier phone than Xiaomi 12X. Both of these devices use the same Android 11 operating system. Galaxy A51 5G counts with a very superior processor than Xiaomi 12X, although it has a lower amount of RAM, they both have 8 cores.
Xiaomi 12X has just a bit better looking display than Galaxy A51 5G, because although it has a little bit smaller display, and they both have the same 1080 x 2400 resolution, the Xiaomi 12X also counts with a just a little higher pixels density. The Galaxy A51 5G has much more storage for apps and games than Xiaomi 12X, and although they both have the same internal memory, the Galaxy A51 5G also has an external memory card slot that admits up to 1000 GB.
Xiaomi 12X captures a little bit better photos and videos than Samsung Galaxy A51 5G, because it has a way better 7680x4320 video resolution, a bigger diafragm aperture to take better low-light captures and videos and a back-facing camera with a better 50 megapixels resolution. The Xiaomi 12X and Samsung Galaxy A51 5G both have quite similar battery durations.
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