Compare phones
| Global Score | |
| 78.8 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11, 10 |
| 2021-12-28 | 2019-12-27 |
| 6.01 x 2.75 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.31 ounces | 6.07 ounces |
| Black, Blue, Green and Pink | 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 8 Gen1 SM8450 (4 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 730 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 |
| 26.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 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 |
| 12.54 | 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 |
| Wireless Charging | -- |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | 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
Samsung Galaxy A51 has a score of 85.5, which is just a bit better than Xiaomi 12's overall score of 78.8. Both phones in our current comparison have Android OS (operating system), but Samsung Galaxy A51 has older 11 version and Xiaomi 12 has Android 12 version. The Samsung Galaxy A51 body is just a little bit thinner and a little bit lighter than the Xiaomi 12, even though it was released 2 years before.
The Galaxy A51 features a really superior hardware performance than Xiaomi 12, although it has a lower amount of RAM memory, they both have a Octa-Core processing unit. The Xiaomi 12 counts with a bit more vivid display than Galaxy A51, because although it has a little smaller screen, and they both have an equal 1080 x 2400 pixels resolution, the Xiaomi 12 also counts with a just a little greater pixel quantity per inch of screen.
The Galaxy A51 counts with a much bigger storage capacity to store more games and applications than Xiaomi 12, and although they both have equal internal memory capacity, the Galaxy A51 also has a SD extension slot that allows up to 512 GB. The Xiaomi 12 features just a bit better camera than Galaxy A51, because it has a larger aperture to take better photography in low light situations, a back camera with more mega pixels, a much higher video quality and a much larger back-facing camera sensor providing a much higher image quality.
Xiaomi 12 features just a bit longer battery life than Galaxy A51, because it has 4500mAh of battery capacity instead of 4000mAh.
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