Three of the tablets reportedly are the best among all tablets are the Samsung Galaxy TabPro S, Apple iPad Pro, and Sony Xperia Z4. If these are the leading tablets, then which is the best among the best?

Although some reports say that the tablets have similarities, all three are working on different operating systems. Galaxy TabPro S was released in Windows 10; Xperia Z4  has launched with Android 5.0 OS while Ipad Pro was released in iOS 10.

According to Gadget 360, the size of the Samsung tablet is 198.80mm x 290.30mm x 6.30mm (width x length x thickness) while Z4 is 167.00mm x 254.00mm x 6.10mm. Online reviews suggest that Sony's tablet has a sleeker design compared to Galaxy TabPro S.

On the other hand, users have two design choices for iPad Pro. Apple has a 9.7-inch iPad Pro and 12.9-inch design. The weight of your iPad Pro varies depending either you choose a WiFi model or a WiFi+Cellular model.

The Apple iPad Pro reportedly has the best camera quality among the three. The official website of Apple shows that a 12.9-inch iPad pro has an 8-megapixel iSight camera while the 12.9-inch version has a 12-megapixel iSight camera feature.  For the Samsung Galaxy TabPro S, it has a 5-megapixel front camera while Xperia Z4 is designed with a 5.1 front camera.

Processor wise, some tech experts considered Samsung to be the winner among the tablets. Galaxy TabPro S is powered by Intel Core m3; Sony Xperia Z4 is equipped with 2GHz octa-core Qualcomm Snapdragon 81 while iPad Pro has an A9X chip with 64‑bit architecture with Embedded M9 coprocessor.

In totality, the Samsung Galaxy TabPro S, Apple iPad Pro, and Sony Xperia Z4 got big differences. If you're having a tough time deciding which one to go for, then try looking at their OS.