Compare phones
| Global Score | |
| 79.3 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-02-11 | 2020-04-29 |
| 6.51 x 3.02 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 7.34 ounces | 6.60 ounces |
| Atlantis blue, Matrix purple and Phoenix red | Prism cube black |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AB chipset | Samsung Exynos 980 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Mali-G76 MP5 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 7.7 | 15.38 |
| Camera | |
| 64.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| 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), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
Samsung Galaxy A51 5G has a general score of 90.8, which is much better than the Xiaomi Poco X2's 79.3 score. Samsung Galaxy A51 5G is a lighter and a little thinner phone than Xiaomi Poco X2, even when both of them were released only a couple of months apart. Both devices in this review come with the same Android 11 OS (operating system).
Galaxy A51 5G's processing unit is very similar to the processor in Xiaomi Poco X2, they have the same RAM memory amount and the same number of cores. Samsung Galaxy A51 5G has a little sharper display than Xiaomi Poco X2, because although it has a little bit smaller screen, and they both have the same exact resolution of 1080 x 2400px, the Samsung Galaxy A51 5G also counts with a little bit greater display pixels density.
Samsung Galaxy A51 5G counts with a way bigger memory to install applications and games or saving photos and videos than Xiaomi Poco X2, because it has more internal memory capacity and a SD memory card expansion slot that supports a maximum of 1000 GB. The Galaxy A51 5G counts with a battery life that's very similar to the battery life in Xiaomi Poco X2.
Xiaomi Poco X2 takes clearer videos and photos than Samsung Galaxy A51 5G, and although they both have the same 30 fps video frame rate and the same (4K) video resolution, the Xiaomi Poco X2 also has a bigger sensor taking more light and vivid colors, a back-facing camera with a much higher 64 megapixels resolution and a larger aperture.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.