PREMIUM IN NAME
Sony Xperia Z5 Premium Dual
It's been a long time coming, but we finally have the Sony Xperia Z5 Premium Dual in our hands. There's been much hype over the phone, mainly because this is an Xperia device that has beaten the competition to the punch by being the world's first smartphone with a 4K display.
So then, is the phone's display really all that? Yes and no. Yes, the screen looks absolutely gorgeous when you're viewing images with a resolution greater than eight or 20 megapixels. But there is a problem when it comes to videos, and yes, it's the dearth of commercially-available native 4K video content. With that said, the videos (mostly Full HD) that we had tested on the phone were upscaled quite well, no doubt thanks to the the upscaling software inside the phone.
As you would expect of the Z5 Premium Dual's 23MP rear camera and 0.03 Hybrid Autofocus, images captured are sharp and extremely detailed. However, one little caveat that we discovered with the Z5 Premium Dual (and the other Z5 models) is that the ISO and shutter speed of the camera can't be adjusted when the camera's resolution is set to anything higher than 8MP. We don't know if Sony actually did this on purpose, but we're hoping that the next camera update will finally open up these options at higher resolutions.
On the subject of performance: as both the Z5 Dual and Z5 Premium Dual are fitted with absolutely identical hardware (sans the display), there's very little, if no difference to the performance of the Z5 Premium Dual. The phone scored a 79,434 on AnTuTu, 1,959 on 3DMark's Slingshot benchmark, 4,918 on PCMark, and 13,479 on Quadrant. On Epic Citadel, it managed to maintain a constant 56 fps on the Ultra High Quality benchmark.
The brilliant thing about the Z5 Premium Dual's display isn't just in what it can put out, but how it's been made to restrain all those glorious pixels until they're needed. To that end, the home screen of the Z5 Premium Dual is automatically outputted at just Full HD resolution, and that actually goes a long way in helping the Z5 Premium Dual to conserve its battery (that, and the dedicated display driver in the phone).
Despite the Z5 Premium Dual being only 0.3-inches bigger than the Z5 Dual, it was slightly more difficult to grasp with one hand, and that was also due to its glossy, shiny, and non-stick surface of the phone's rear. It's true: compared to the other two models, the Z5 Premium Dual is the only Z5 model that has a glossy back that looks as though it's been polish to a mirror's sheen.