https://bugs.freedesktop.org/show_bug.cgi?id=102646
--- Comment #113 from Adrian Przekwas adrian.v.przekwas@gmail.com --- (In reply to tempel.julian from comment #108)
I suppose also the Windows driver enforces maximum VRAM clock in your case all the time?
Windows users are reporting max vram clock if 2 (especially high refresh rate or different refresh rate) monitors are connected https://community.amd.com/thread/214915