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Fury X bus interface showing x8 1.1 ?

Question asked by jpham on Feb 27, 2016
Latest reply on Feb 27, 2016 by jpham

I'm running into performance issue (non game) so my vendor ask me if I can run GPU-Z

showing the Fury X


what we notice is that the Fury X Bus interface showing PCI-E 3.0x16@x8 1.1

I use multiple GPU cards, the other card is AMD R9 295x2 and that card show PCI-E 3.0x16@x8 3.0


what is the different  @x8 3.0 and @x8 1.1


My vendor said the 1.1 is slower


system I7 with 32G of ram

windows 7 64bit ultimate

AMD R9 295x2 top most slot

AMD R9 Fury x next top most slot




Also does open CL handles multiple R9 card correctly ?