Compare phones
| Global Score | |
| 79.6 | 85.5 |
| Basic Information | |
| Sony | Samsung |
| Android 9.0 Pie | Android 11, 10 |
| 2018-10-17 | 2019-12-27 |
| 6.22 x 2.87 x 0.39 inches | 6.24 x 2.90 x 0.31 inches |
| 6.81 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 900.00 | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2880 x 1440 pixels | 2400 x 1080 pixels |
| OLED | Super AMOLED |
| 537 pixels per inch | 405 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 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 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 19.00 MP + 13.00 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 (30 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 |
| 10.45 | 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 | |
| 3330mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 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
Samsung Galaxy A51 is slightly better than Sony Xperia XZ3, with a global score of 85.5 against 79.6. These phones include Android OS, but the Samsung Galaxy A51 has an older 11 version while Sony Xperia XZ3 has Android 9.0 Pie. The Samsung Galaxy A51 is a newer phone, and it's also somewhat lighter and noticeably thinner than Sony Xperia XZ3.
The Sony Xperia XZ3 features a bit more powerful processing unit than Samsung Galaxy A51. Both have 8 cores and 4 GB of RAM. The Xperia XZ3 features a sharper screen than Galaxy A51, because although it has a bit smaller screen, it also counts with a greater display pixels density and a better 1440 x 2880 resolution.
The Galaxy A51 has a superior memory capacity for games and applications than Sony Xperia XZ3, and although they both have a slot for external memory cards that allows up to 512 GB, the Galaxy A51 also has 128 GB internal memory capacity. Samsung Galaxy A51 counts with longer battery life than Sony Xperia XZ3, because it has a 4000mAh battery size against 3330mAh.
Galaxy A51 shoots much clearer photographs and videos than Sony Xperia XZ3, and although they both have the same video frame rates, the same aperture and the same (4K) video resolution, the Galaxy A51 also has a much more mega-pixels camera in the back and a bigger sensor providing a better image quality.
Even being the best phone in our comparison, Galaxy A51 is also a lot cheaper, which makes it an obvious call.
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