Compare phones
| Global Score | |
| 85.5 | 79.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11, 10 |
| 2019-12-27 | 2020-02-11 |
| 6.24 x 2.90 x 0.31 inches | 6.51 x 3.02 x 0.35 inches |
| 6.07 ounces | 7.34 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Atlantis blue, Matrix purple and Phoenix red |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 730G SM7150-AB chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 7.7 |
| Camera | |
| 48.00 MP + 32.00 MP | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| 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 | FM Radio |
Comparison review
Galaxy A51 has a score of 85.5, which is just a bit better than Xiaomi Poco X2's general score of 79.3. These phones include the same Android 11 OS. The Galaxy A51 is a somewhat lighter and somewhat thinner cellphone than the Xiaomi Poco X2, although both were released with only 2 months difference.
Samsung Galaxy A51 has a bit sharper screen than Xiaomi Poco X2, because although it has a little smaller screen, and they both have exactly the same resolution of 1080 x 2400px, the Samsung Galaxy A51 also counts with a little bit greater pixels density. Xiaomi Poco X2's processor is just as good as the processing unit in Galaxy A51, and although the Xiaomi Poco X2 has a higher amount of RAM memory, they both have a Octa-Core processing unit.
The Xiaomi Poco X2 counts with a bit better camera than Samsung Galaxy A51, and although they both have the same video frame rates and the same (4K) video definition, the Xiaomi Poco X2 also has a larger aperture for better low light photos, a larger back camera sensor capturing more light and vivid colors and a way higher resolution camera in the back.
Galaxy A51 has a superior memory capacity to install applications and games or saving photos and videos than Xiaomi Poco X2, because it has more internal storage and an external memory card slot that holds a maximum of 512 GB. Xiaomi Poco X2 has a little better battery lifetime than Galaxy A51, because it has a 13% more battery size.
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