Sony Xpe­ria Z5 Pre­mium Dual

HWM (Malaysia) - - TELEPORT - UNLOCKED - By John Law

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.

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