Compare phones
| Global Score | |
| 90.8 | 79.1 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | -- |
| 2020-04-29 | 2018-04-05 |
| 6.26 x 2.90 x 0.34 inches | 6.02 x 2.83 x 0.44 inches |
| 6.60 ounces | 6.98 ounces |
| Prism cube black | Black, Green, Pink and Silver |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| 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 980 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 15.38 | 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 (480 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 |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3180mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 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
The Galaxy A51 5G has a global score of 90.8, which is better than the Xperia XZ2's general score of 79.1. Galaxy A51 5G's construction is way newer, a lot thinner and just a bit lighter than Xperia XZ2. The Xperia XZ2 counts with a slightly better display than Galaxy A51 5G, because although it has a bit worse resolution of 1080 x 2160 pixels and a quite smaller display, it also counts with a quite greater display density.
The Samsung Galaxy A51 5G counts with a way bigger memory capacity for applications and games than Sony Xperia XZ2, because it has more internal memory and an external memory card slot that holds a maximum of 1000 GB. Xperia XZ2 features a little bit better performance than Galaxy A51 5G, although it has 2 GB lesser RAM memory, they both have a Octa-Core CPU.
Galaxy A51 5G captures a little bit better videos and photos than Sony Xperia XZ2, because although it has slower video frame rates, and they both have the same video quality and a F2 diafragm aperture, the Galaxy A51 5G also counts with a camera in the back with much more megapixels and a bigger back camera sensor.
Samsung Galaxy A51 5G counts with a much longer battery life than Xperia XZ2, because it has a 42% larger battery size.
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