Compare phones
| Global Score | |
| 90.8 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2020-04-29 | 2021-12-28 |
| 6.26 x 2.90 x 0.34 inches | 6.01 x 2.75 x 0.32 inches |
| 6.60 ounces | 6.31 ounces |
| Prism cube black | Black, Blue, Green and Pink |
| 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 8 Gen1 SM8450 (4 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 730 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 | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") 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 | 12.54 |
| 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 |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 5G is much better than the Xiaomi 12, with a 90.8 score against 78.8. Even being the best we compare here, the Samsung Galaxy A51 5G is an older, just a little bit heavier and just a little thicker device than Xiaomi 12. These phones have Android OS, but Samsung Galaxy A51 5G has the older 11 version and Xiaomi 12 has Android 12 version.
Galaxy A51 5G has a much greater hardware performance than Xiaomi 12, although it has less RAM memory, they both have a Octa-Core processor. The Xiaomi 12 features a little more vivid screen than Galaxy A51 5G, because although it has a quite smaller screen, and they both have the same 1080 x 2400 resolution, the Xiaomi 12 also counts with a little better pixels density.
The Xiaomi 12 has a slightly better camera than Samsung Galaxy A51 5G, because it has a better 50 megapixels resolution back-facing camera, a larger aperture, a way higher 7680x4320 video definition and a way larger back camera sensor. The Galaxy A51 5G has a superior storage capacity for applications and games than Xiaomi 12, and although they both have exactly the same internal memory, the Galaxy A51 5G also has a slot for an external memory card that holds a maximum of 1000 GB.
The Xiaomi 12 counts with a battery life that's very similar to Galaxy A51 5G's battery duration.
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