Thewill cost £600 when it lands this autumn and tries to give the a run for its money.
Sony's rival to the popular Note phablet is expected to hit shelves on 12 September -- and Unlocked Mobiles says that date comes straight from Sony.
The Xperia Z Ultra -- not to be confused with the-- is a huuuuuge phone with a 6.4-inch 1080p screen. Inside is a quad-core processor clocked at a headspinning 2.2GHz.
But how does the Z Ultra fare against its noteworthy Samsung rival? Hit play to see Note and Z square off -- it's World War Z:
Is the Z Ultra a worthy rival to the Note? Should all phones and tablets be waterproof? Tell me your thoughts in the comments or on our Facebook page.