I'm using the Radeon R9 280X PCIe Grahpics card
sys=i7 4790k processor, 8mb intel smart cache, 16GB DDR3 RAM,
2 otb storage drive, 240 gb boot drive
Windows 7 64 bit dell monitor p2810q.... I cant understand why the video playback isn't smooth.
(MOD: I've tweaked the discussion title based on the direction of this conversation)