Compare phones
| Global Score | |
| 85.5 | 81 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2019-12-27 | -- |
| 6.24 x 2.90 x 0.31 inches | -- |
| 6.07 ounces | -- |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black and White |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.7 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 8+ Gen 1 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 | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 50.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") 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 (1920 fps) (Full HD) slow motion video |
| 11.55 | 12.32 |
| 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 |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.64 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| 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
The Galaxy A51 is just a bit better than Xiaomi 12S Ultra, having a general score of 85.5 against 81. Both phones we compare here include Android operating system, but Galaxy A51 has an older 11 version while Xiaomi 12S Ultra has Android 12. Xiaomi 12S Ultra features a brighter display than Samsung Galaxy A51, because it has a higher resolution of 1440 x 3200 pixels, a little larger screen and a greater number of pixels per inch in the display.
Samsung Galaxy A51 counts with a bit bigger storage capacity to store more games and applications than Xiaomi 12S Ultra, because although it has only 128 GB internal memory, it also counts with a SD memory slot that admits a maximum of 512 GB. Galaxy A51 counts with a way better performance than Xiaomi 12S Ultra, although it has a lower amount of RAM, they both have a Octa-Core processor.
The Xiaomi 12S Ultra features greater battery duration than Galaxy A51, because it has 4800mAh of battery capacity. The Xiaomi 12S Ultra captures a little bit better photos and videos than Galaxy A51, and although they both have a same size back-facing camera sensor and a same size aperture, the Xiaomi 12S Ultra also has a lot better 7680x4320 video definition and a camera with more mega pixels.
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