A manual search shows the latest for your older video card.. 
Info and a download link are here.
To check the release # of your current driver, type "Control Panel" into the Windows search bar (usually at the bottom-left of the screen). Click View by: chevron at the top-right of the screen if only categories are shown and choose Large Icons. 
Click Device Manager. Double-click on Display adapters. Double-click on the subfolder that drops down.
Click the Driver tab. The driver version is shown there... 
There's no guarantee that this will change your results, which could not be replicated here.