Compare phones
| Global Score | |
| 85.5 | 79.8 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | -- |
| 2019-12-27 | 2017-06-01 |
| 6.24 x 2.90 x 0.31 inches | 6.14 x 3.03 x 0.31 inches |
| 6.07 ounces | 6.74 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Pink, Red and Silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.5 inches |
| 2400 x 1080 pixels | 3840 x 2160 pixels (4K) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 801 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 10.3 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 540 GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 48.00 MP + 32.00 MP | 19.00 MP + 13.00 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 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.34 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3230mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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 the Xperia XZ Premium, getting a general score of 85.5 against 79.8. The Galaxy A51 is a a little lighter cellphone than Xperia XZ Premium, but both are equally thin. Xperia XZ Premium has an incredibly better looking screen than Samsung Galaxy A51, because although it has a quite smaller screen, it also counts with a much better 2160 x 3840 resolution and much more pixels per inch of display.
The Xperia XZ Premium has a bit faster processing unit than Samsung Galaxy A51. Both of them have 4 GB of RAM and 8 processing cores. Galaxy A51 has much more storage to store more apps and games than Xperia XZ Premium, because it has a SD card slot that allows a maximum of 512 GB and 64 GB more internal storage.
Samsung Galaxy A51 counts with improved battery lifetime than Sony Xperia XZ Premium, because it has a 24% bigger battery size. The Galaxy A51 shoots much clearer videos and photos than Sony Xperia XZ Premium, and although they both have the same 30 frames per second video frame rates, a same size diafragm aperture and the same 3840x2160 video quality, the Galaxy A51 also has a larger back camera sensor capturing more light and vivid colors and a lot more megapixels camera.
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