Compare phones
| Global Score | |
| 79.3 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-02-11 | 2019-12-27 |
| 6.51 x 3.02 x 0.35 inches | 6.24 x 2.90 x 0.31 inches |
| 7.34 ounces | 6.07 ounces |
| Atlantis blue, Matrix purple and Phoenix red | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 14.14 |
| 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 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| 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
The Galaxy A51 is slightly better than Xiaomi Poco X2, with a global score of 85.5 against 79.3. Even when Galaxy A51 and Xiaomi Poco X2 were released only 2 months apart, Galaxy A51 is somewhat thinner and lighter. Both of these devices include the same Android 11 operating system. The Galaxy A51 has a CPU that is very similar to the processor in Xiaomi Poco X2, and although the Galaxy A51 has a smaller amount of RAM, they both have the same number of cores.
The Galaxy A51 counts with just a bit better looking screen than Xiaomi Poco X2, because although it has a little bit smaller display, and they both have an equal resolution of 1080 x 2400px, the Galaxy A51 also counts with a little greater pixel amount per inch of display. The Galaxy A51 has much more storage capacity for applications, games, photos and videos than Xiaomi Poco X2, because it has an external SD slot that supports up to 512 GB and more internal storage capacity.
The Xiaomi Poco X2 counts with a bit longer battery duration than Samsung Galaxy A51, because it has a 4500mAh battery size against 4000mAh. The Xiaomi Poco X2 has a bit better camera than Galaxy A51, and although they both have the same video definition and the same video frame rates, the Xiaomi Poco X2 also has a back facing camera with way more mega pixels, a larger aperture to capture better photos in poorly lited situations and a larger sensor which provides a better photo and video quality.
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