Compare phones
| Global Score | |
| 79.8 | 85.5 |
| Basic Information | |
| Sony | Samsung |
| Android 5.1 | Android 11, 10 |
| 2015-09-02 | 2019-12-27 |
| 6.08 x 2.99 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 6.35 ounces | 6.07 ounces |
| Black, Gold and Gray | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 545.00 | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 2160 x 3840 pixels (4K) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 801 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 10.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Adreno 430 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 14.14 |
| Camera | |
| 23.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 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 |
| 1280 x 720 (60 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.56 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 3430mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 630 hours standby time 15.2 hours talk time | -- |
| 5.44 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 has a general score of 85.5, which is a bit better than the Xperia Z5 Premium's 79.8 score. These phones have Android OS (operating system), but Galaxy A51 has newer 11 version while Xperia Z5 Premium has Android 5.1. Galaxy A51 is a just a little bit lighter phone than the Xperia Z5 Premium, but both are 0.31inches thick.
Sony Xperia Z5 Premium features a lot better screen than Samsung Galaxy A51, because although it has a bit smaller display, it also counts with a way greater pixels number per display inch and a much higher resolution of 3840 x 2160px. Samsung Galaxy A51 has a much better storage for applications, games, photos and videos than Xperia Z5 Premium, because it has 128 GB internal memory and a SD memory card expansion slot that allows up to 512 GB.
Xperia Z5 Premium has a bit more powerful processor than Galaxy A51, because although it has a smaller amount of RAM memory, and they both have the same number of cores, the Xperia Z5 Premium also counts with a graphics processor. The Samsung Galaxy A51 shoots just a bit better pictures and videos than Sony Xperia Z5 Premium, because although it has a smaller aperture, and they both have the same (4K) video resolution and the same video frame rate, the Samsung Galaxy A51 also counts with a larger sensor capturing better quality videos and photos and a back facing camera with way more mega pixels.
The Galaxy A51 features a little better battery lifetime than Xperia Z5 Premium, because it has a 4000mAh battery size.
The Galaxy A51 not only is the best phones between the ones we are comparing, but it's also a bargain compared to the other phones, making this phone an obvious call.
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