Compare phones
| Global Score | |
| 85.5 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2019-12-27 | 2021-12-28 |
| 6.24 x 2.90 x 0.31 inches | 6.01 x 2.75 x 0.32 inches |
| 6.07 ounces | 6.31 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Blue, Green and Pink |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| 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 9611 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 730 GPU |
| 9.27 | 6.21 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 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 (240 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 |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 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
Galaxy A51 is slightly better than Xiaomi 12, getting a general score of 85.5 against 78.8. Galaxy A51's body is a little lighter and a little thinner than Xiaomi 12, even though it was released 2 years before. Both phones in this comparison review come with Android OS (Operating System), but Galaxy A51 has 11 version while Xiaomi 12 has Android 12 version.
The Xiaomi 12 has a little bit better looking screen than Galaxy A51, because although it has a little bit smaller display, and they both have exactly the same 1080 x 2400 pixels resolution, the Xiaomi 12 also counts with a little bit better screen pixels density. The Galaxy A51 counts with a much better storage capacity to store more apps and games than Xiaomi 12, and although they both have equal internal memory, the Galaxy A51 also has a slot for an SD memory card that supports up to 512 GB.
The Galaxy A51 has a much faster processing unit than Xiaomi 12, although it has 4 GB less RAM, they both have 8 CPU cores. Xiaomi 12 captures clearer pictures and videos than Samsung Galaxy A51, because it has a larger aperture, a way bigger back camera sensor capturing more light and vivid colors, a back camera with a better 50 MP resolution and a way higher video definition.
The Xiaomi 12 counts with a bit better battery life than Samsung Galaxy A51, because it has 4500mAh of battery capacity against 4000mAh.
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