Compare phones
| Global Score | |
| 85.5 | 79.1 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | -- |
| 2019-12-27 | 2018-04-05 |
| 6.24 x 2.90 x 0.31 inches | 6.02 x 2.83 x 0.44 inches |
| 6.07 ounces | 6.98 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Green, Pink and Silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 424 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.8 |
| 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 | 3180mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.2 |
| 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 Xperia XZ2, with an 85.5 score against 79.1. Galaxy A51's design is newer, lighter and a lot thinner than Xperia XZ2. Sony Xperia XZ2 features just a bit better display than Samsung Galaxy A51, because although it has a quite smaller screen and a bit lower 1080 x 2160 resolution, it also counts with a quite higher pixels density.
Xperia XZ2 features a little bit better hardware performance than Samsung Galaxy A51. Both have the same RAM memory amount and the same number of cores. The Galaxy A51 has just a bit better camera than Xperia XZ2, because although it has slower 30 frames per second video frame rate, and they both have the same (4K) video definition and the same aperture, the Galaxy A51 also counts with a camera with a way better 48 mega pixels resolution and a bigger camera sensor.
The Samsung Galaxy A51 has a very superior storage capacity for applications, games, photos and videos than Xperia XZ2, because it has a SD extension slot that supports a maximum of 512 GB and more internal memory capacity. The Galaxy A51 has longer battery lifetime than Xperia XZ2, because it has a 26% greater battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.