Solved Dual gfx at x8 speed Tags: Motherboards Support Last response: March 13, 2010 3:25 PM in Motherboards Share welliam March 13, 2010 1:28:05 PM hello my motherboard support sli and cfx but they say in dual gfx mode the speed will drop from x16 to x8 I need to understand the difference in performance between dual gfx cards at x16 and same but at x8 ? thanks More about : dual gfx speed Best solution saaiello a b V Motherboard March 13, 2010 3:09:48 PM The difference in performance from x16 to x8 isnt much only about a 5% performance decrease from x16 to x8. http://www.tomshardware.com/reviews/pci-express-2.0,191... This will show you there isnt even too much of a difference in performance going to even x4 Share welliam March 13, 2010 3:25:24 PM Best answer selected by mdk4ever. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedQuad-sli @ x8 or Dual-sli @ x16 Forum SolvedDual Radeon hd7770's on a ga-990fxa-ud5 although run x16 by x16 or x16 by x8 Forum SolvedDual 7870's at x8? Forum SolvedX16 vs dual x8? Forum [Help] Fastest x8 AGP + CPU + MEM + GFX = $350? or Less? Forum SolvedDual x8 vs x16 Forum Solvedgfx card wont slow to normal speed after startup (no graphics) Forum SolvedWindows will not load with dual gfx cards Forum PCI speed x8 after put to sleep Forum SolvedMemory speed and dual channel not recognised in windows Forum SolvedShould I upgrade ram speed or add 1 chip when upgrading from tripple channel to dual channel? Forum Does a Dual GPU run at x8 or x16 When Inserted In PCI-E Black Slot? Forum What does it mean when running dual sli it runs in x8 Forum 8800GT on PCIe x8 (1.1), speed penalty? Forum Good LGA 1156 with dual x8 PCIe Forum liteon 832s burning @ x8 speed? Forum SolvedSingle GPU in SLI VS single Dual GPU GFX card Forum SolvedDual Channel: Doubt regarding speed Forum HD4850 crossfire dual x8 versus x16 Forum HD4850 crossfire dual x8 versus x16 Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !