Compare phones
| Global Score | |
| 79.1 | 85.5 |
| Basic Information | |
| Sony | Samsung |
| -- | Android 11, 10 |
| 2018-04-05 | 2019-12-27 |
| 6.02 x 2.83 x 0.44 inches | 6.24 x 2.90 x 0.31 inches |
| 6.98 ounces | 6.07 ounces |
| Black, Green, Pink and Silver | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 405 pixels per inch |
| 700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.54 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 14.14 |
| Camera | |
| 19.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.67 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3180mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A51 is a bit better than the Xperia XZ2, getting an 85.5 score against 79.1. The Samsung Galaxy A51 construction is newer, thinner and lighter than the Xperia XZ2. The Sony Xperia XZ2 features a little bit better looking screen than Samsung Galaxy A51, because although it has a little smaller screen and a bit worse resolution of 1080 x 2160 pixels, it also counts with a just a bit better pixels density.
Galaxy A51 features a much greater memory capacity for applications and games than Xperia XZ2, because it has an external memory card slot that holds up to 512 GB and more internal memory capacity. Sony Xperia XZ2 features a bit better processing power than Galaxy A51. Both of them have the same number of cores and the same RAM memory amount.
The Galaxy A51 takes just a bit better videos and photos than Sony Xperia XZ2, because although it has slower 30 frames per second video frame rate, and they both have a F2 camera aperture and the same (4K) video quality, the Galaxy A51 also counts with a larger camera sensor capturing more light and vivid colors and a way more megapixels back-facing camera.
The Samsung Galaxy A51 features longer battery life than Sony Xperia XZ2, because it has 4000mAh of battery capacity against 3180mAh.
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