Sony Xperia Z4will get a waterproof case, the interior memory of 32 GB, 810 Qualcomm Snapdragon chipset and 4 GB of RAM. Resolution display and camera linger unknown. But Z4 Tablet, which will get the same iron, will boast 10-inch screen: QHD resolution tested and UHD.
It is also known that the Sony Xperia Z4 Compact will be 4.6-inch Full HD-screen and 3GB of RAM, while the Sony Xperia Z4 Ultra - 6,4-inch QHD resolution and 4 GB of RAM.
All devices will be operation Android Lollipop. Release is scheduled for early 2015.