When i go to the official amd website it says that my graphics card driver is 15.7 but when i download it its 15.3
Those two AMD Driver are legacy drivers for Legacy or Non-Supported GPUs.
Catalyst AMD Driver package 15.7.1 should have Driver version 15.2 : (From Release Notes)
The AMD Catalyst™ Software Suite, AMD Catalyst™ 15.7.1 driver contains the following:
while Crimson AMD Driver Package BETA should have driver version 15.3: (From Release Notes)
Package Contents The AMD Radeon Software Crimson Edition 16.2.1 Beta Driver for non GCN products contains the following:
Seems like you installed Crimson 16.2.1 BETA and not the 15.7.1. To double check, go to Device Manager - Display under Driver and see what version is installed.
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