VERIFIED SOLUTION i
MapInfo Pro™ 64-bit appears to have some performance issues compared to the 32-bit version. For example opening up Workspaces, opening dialogs, etc
This is known to Engineering.
ResolutionUPDATED: September 29, 2017
Engineering are working on the performance of the 64-bit versions and as soon as we have further information we shall update the article.
Products Affected: MapInfo Pro x64