Compare phones
| Global Score | |
| 85.5 | 79 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 8.0 Oreo |
| 2019-12-27 | 2018-04-05 |
| 6.24 x 2.90 x 0.31 inches | 5.31 x 2.56 x 0.48 inches |
| 6.07 ounces | 5.93 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 483 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.1 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 14.14 | 11.34 |
| Camera | |
| 48.00 MP + 32.00 MP | 19.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 10.67 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 2870mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A51 is a little bit better than the Sony Xperia XZ2 Compact, with an 85.5 score against 79. Galaxy A51's body is newer and a lot thinner than Sony Xperia XZ2 Compact's, but it is a little heavier. Both phones in this comparison work with Android OS (operating system), but Galaxy A51 has the older 11 version and Sony Xperia XZ2 Compact has Android 8.0 Oreo version.
The Xperia XZ2 Compact counts with a bit superior processing unit than Galaxy A51. They have 4 GB of RAM and the same number of cores. Sony Xperia XZ2 Compact has a more vivid screen than Galaxy A51, because although it has a really smaller display and a little bit worse resolution of 1080 x 2160px, it also counts with a just a bit higher pixel density.
The Galaxy A51 takes a little bit better photographs and videos than Xperia XZ2 Compact, because although it has worse video frame rate, and they both have the same 3840x2160 video quality and the same aperture, the Galaxy A51 also counts with a bigger sensor which gives a higher photo and video quality and a back camera with a much better resolution.
The Galaxy A51 has a way bigger storage for apps and games than Xperia XZ2 Compact, because it has an external memory slot that admits up to 512 GB and 128 GB internal memory. Galaxy A51 has a very superior battery life than Xperia XZ2 Compact, because it has a 39% more battery size.
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