Fancy keeping one of the best screens in the world with you at all times? You now can, as Sony’s phablet arrives in Australia.

Phones have changed a bit this year, and screen resolutions are partly to blame.

In fact, ever since Apple challenged the idea of what a high-end screen looked like on a phone back with the iPhone 4, we’ve seen mobile companies push display changes hard. Back then, that was an increase from the typical 854×480 displays with a ho-hum 200 to 260 pixels per inch, which Apple changed when it brought in a more eye friendly 300 to 330 pixels per inch via the “Retina” grade panel.

Since then, LG and Samsung have equally been driving display technology in its own mobile devices, what with the inclusion of Quad HD’s 2560×1440, a resolution that goes above and beyond Apple’s Retina resolution by a good 200 pixels per inch, really packing them in, but neither of these companies have what Sony is going for.

One of the leaders in televisions, Sony knows picture quality and it knows 4K Ultra HD, and for the Xperia Z5 Premium, it is going for both, and going for broke.

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For the Xperia Z5 Premium, Sony has provided a 4K Triluminos display similar to the screens used in its Ultra HD televisions, telling us that this 5.5 inch panel relies on a resolution of 3840×2160. That level of screen quality pushes out a staggering 806 pixels per inch, which is sharper than anything else out there.

Underneath the screen, almost everything is the same as it has been, with the Snapdragon 810 processor paired with 3GB RAM and 32GB storage, with a microSD slot to expand this considerably if need be.

The majority of the specs and features appear to be the same, too, with 802.11ac WiFi, Bluetooth 4.1, Near-Field Communication (NFC), and 4G LTE set at Category 6, as well as a 23 megapixel rear camera while a 5 megapixel module sits up front, but at least the 4K UHD video you capture from the rear camera will be able to be seen in its pure resolution on the screen, something no other phone has had the luxury of doing in the past.

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Even the casing is the same, with glass and aluminium used in either chrome, gold, or black paint finishes, and a degree of waterproofing thrown in for good measure.

“Off the back of the fantastic response received when we announced the Xperia Z5 Premium at IFA, we are excited to announce that the full Xperia Z5 Series is now available to Australian customers,” said John Featherstone, Head of Business Development for APAC and Market Head for Oceania at Sony Mobile Communications.

“Sony continues to bring advanced innovation and technology to the smartphone industry with the Xperia Z5 series. The Xperia Z5 Premium leads the way in redefining user experiences and mobile entertainment with its 4K display.”

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Pricing on the 4K Sony Xperia Z5 Premium comes in at $1199 where it will be sold at Sony stores and JB HiFi retailers, while being packaged with Sony’s Digital Noise Cancelling Headset, the MDR-NC31EM earphones.