Sony puts a 4K display on its Xperia Z5 smartphone

If you want a 4K display in the palm of your hand, Sony's new Xperia Z5 Premium is right up your alley with a whopping 806 pixels per inch.

Sony is pushing the envelope again, this time launching a new Android 5.1 smartphone with a 4K display. The company announced a trio of new Xperia Z5 handsets on Wednesday and the largest one has a screen resolution of 3840 x 2160.

Spread across the 5.5-inch display, the pixel density of the Xperia Z5 Premium screen is a whopping 806 pixels per inch. That easily trumps the clarity of Apple's iPhones and every other current Android device as well.


Can most people see all those pixels when holding the phone at a normal distance from the eyes? That's another question entirely.

So too is the impact on battery life the 4K screen will have. The Xperia Z5 Premium does have a large 3430 mAh power pack inside, which Sony says will last for up to two days. The phone also supports Qualcomm's Quick Charge 2.0 technology.

Other upgrades over prior models included an fingerprint sensor integrated into the phone's power button, a 23 megapixel camera sensor with an advertised focus time of 0.03 seconds. Since the new Snapdragon 820 isn't ready, Sony's Xperia Z5 is powered by a Snapdragon 810 processor, paired with 3 GB of memory.

The waterproof handset also supports high-resolution audio playback, comes with up to 32 GB of internal storage and supports an additional 200 GB through the microSD card slot.

Sony hasn't announced a price for the Xperia Z5 which arrives in November.

The smaller Xperia Z5 and Z5 Compact -- with 5.2-inch 1080p and 4.6-inch 720p screens, respectively -- share many of the same features with their big brother: They also use a Snapdragon 810 chip and have the 23 megapixel camera sensor. Sony says to expect them next month.


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