

On the 3D Mark Ice Storm: Unlimited graphics test however, the Z5 racked up a score of 26,885, putting it far above the Galaxy S6 (20,778), the LG G4 (18,611) and the Galaxy S6 Edge+ (24,737). It achieved a multi core score of 2,926 on the Geekbench 3 benchmark test, putting it alongside the LG G4 (2,981), although a significant step down from the Samsung Galaxy S6 (4,608). Gaming too is handled with aplomb with both Angry Birds 2 and Grand Theft Auto: San Andreas playing with high frame rates. There are no unpleasant delays when swiping around the Android interface, with apps and menus loading quickly. It's certainly a powerful chip as the Z5 is very smooth to use. I received a warning when shooting 4K video that the camera app may close if it warms up too much, but even after five minutes of filming, it was working fine. Sure, it gets a touch warm around the top of the phone (where the processor sits), but it didn't become uncomfortably hot like the Z3+ and at no point did apps force close. Whether by tweaking the software or simply by throttling the power of the chip, Sony has kept the 810 under control on the Z5 as I found no problems with the handset overheating.

Most notably on Sony's own Xperia Z3+, which I found would regularly force close apps due to increased core temperature. It's a potent piece of silicon, but this chip has had issues with overheating in the past. The Z5's engine is a Qualcomm 810 octa-core chip, with 3GB of RAM backing it up. Qualcomm Snapdragon 810 octa-core processor.I recommend a full clear out of all superfluous apps and home screen widgets before you do anything with your new phone.

There are quite a few pre-loaded apps which clutter things up, but mercifully you can uninstall most of them. It looks fairly neat, it's easy to learn, and some features like the ability to quickly arrange app icons in the app tray by most used or alphabetical order are more intuitive than some of its rivals.
ENDLESS SKY CHANGE FLAGSHIP SKIN
Sony's skin isn't too bad though, so you shouldn't be in any rush to get rid of it. Plus each version of Android requires a whole new approach. When a new version of Android comes along, its engineers have to work hard to apply the skin over the software.
ENDLESS SKY CHANGE FLAGSHIP UPDATE
One reason Sony takes so long to update its phones is that it heavily customises the Android interface. The Xperia Z5 ships with Android 5.1 Lollipop, with plans to update to Android 6.0 Marshmallow in the future.
