Compare phones
| Global Score | |
| 77.6 | 90.8 |
| Basic Information | |
| Sony | Samsung |
| Android 5.1 | Android 11, 10 |
| 2015-09-02 | 2020-04-29 |
| 5.75 x 2.83 x 0.29 inches | 6.26 x 2.90 x 0.34 inches |
| 5.43 ounces | 6.60 ounces |
| Black, Gold, Green and White | Prism cube black |
| Glass and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 409.00 | $ 339.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Adreno 430 (450 MHz) GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 8.56 | 15.38 |
| Camera | |
| 23.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm 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 |
| 1280 x 720 (60 fps) (HD) slow motion video | 1280 x 720 (480 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 | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7.1 | 10.7 |
| Battery Life | |
| 2900mAh Li-Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 520 hours standby time 13.2 hours talk time | -- |
| 4.88 | 6.32 |
| 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 |
Comparison review
Galaxy A51 5G has a general score of 90.8, which is much better than the Xperia Z5's 77.6 score. These phones have Android OS (Operating System), but Galaxy A51 5G has a newer 11 version while Xperia Z5 has Android 5.1, offering a couple additional features and better performance. Although Galaxy A51 5G is noticeably newer than the Xperia Z5, it is thicker and heavier.
The Xperia Z5 features a bit superior CPU than Samsung Galaxy A51 5G, because although it has less RAM memory, and they both have the same number of cores, the Xperia Z5 also counts with an extra GPU. The Xperia Z5 has a much better display than Galaxy A51 5G, because although it has a little worse 1920 x 1080 pixels resolution and a really smaller screen, it also counts with a bit higher number of pixels per inch of screen.
The Galaxy A51 5G counts with much more storage capacity for applications and games than Xperia Z5, because it has an external memory card slot that admits up to 1000 GB and 96 GB more internal storage. Galaxy A51 5G captures just a bit better pictures and videos than Xperia Z5, because although it has a tinier aperture, and they both have the same 30 fps video frame rates and the same video definition, the Galaxy A51 5G also counts with a much higher resolution camera and a larger camera sensor which gives a higher image and video quality.
Galaxy A51 5G counts with a much better battery performance than Sony Xperia Z5, because it has a 4500mAh battery size.
In addition to being the best phone in our comparison, the Samsung Galaxy A51 5G is also by far the cheapest one.
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