Compare phones
| Global Score | |
| 77.8 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2022-03-15 | 2019-12-27 |
| 6.01 x 2.75 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.21 ounces | 6.07 ounces |
| Blue, Grey and Purple | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 9611 chipset |
| processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| 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 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| 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
Galaxy A51 has an overall score of 85.5, which is slightly better than the Xiaomi 12X's 77.8 global score. Although Galaxy A51 is way older than Xiaomi 12X, it's construction is a bit lighter and just a bit thinner. These phones include the same Android 11 OS, so both of them should provide the user all the same operating system features.
Xiaomi 12X counts with a slightly better screen than Samsung Galaxy A51, because although it has a bit smaller display, and they both have exactly the same 1080 x 2400 resolution, the Xiaomi 12X also counts with a just a bit greater screen pixel density. Galaxy A51 has a much better performance than Xiaomi 12X, although it has less RAM, they both have 8 cpu cores.
Xiaomi 12X features a bit better camera than Samsung Galaxy A51, because it has a lot higher 7680x4320 video definition, a back-facing camera with more megapixels and a bigger aperture. Samsung Galaxy A51 has a way bigger storage for applications and games than Xiaomi 12X, and although they both have equal 128 GB internal memory, the Samsung Galaxy A51 also has a slot for an SD memory card that admits a maximum of 512 GB.
The Xiaomi 12X has just a bit longer battery lifetime than Galaxy A51, because it has a 4500mAh battery capacity.
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