The successor to the Xperia Z3 is already here and while they are almost similar in terms of exterior and hardware specs, the internals of the new flagship have received a noteworthy bump - the Xperia Z4 comes with a Snapdragon 810 chipset and more native storage right out of the box. The rest of the specs are similar to the ones of the Xperia Z3.
It's worth mentioning that the new Sony flagship is 0.4mm thinner than the Xperia Z3. At 6.9mm, the Xperia Z4 is in the league of the thinnest flagships on the market - the iPhone 6 and the Galaxy S6. Unfortunately, the slimming-down of the phone has affected the battery capacity in a negative way.
Then again, Sony is known for optimizing its devices extremely good, hence we bet that the Xperia Z4 will be a pretty respectable battery enduring champion. Here's how it fares against the competition size-wise:
