PCI Express 2.0 x16 vs PCi Express 2.0 x8 Tags: Motherboards Performance Crossfire PCI Express Last response: January 18, 2011 7:41 PM in Motherboards Share m0j0 January 18, 2011 7:24:48 PM can someone please tell me what is performance difference between crossfire(two amd 6970) setup using PCI Express 2.0 (x16,x16) vs PCI Express 2.0 (x16,x8)? thank you for your help! More about : pci express x16 pci express Snipergod87 a b V Motherboard January 18, 2011 7:41:17 PM You will see a 2-4% performance decrease running in 16x 8x as opposed to 16x 16x. Nothing really noticable. I would go for which ever motherboard better fits your budget. Can't find your answer ? Ask ! Publish Related resources: ForumPCI Express 2.0 x16 : (2x8) or ( x16 , x8 , x4)... What's the difference? ForumPCI Express x16 vs 2.0 ForumWill PCI-Express x16 slot (running at x8 ) handle a graphic card? ForumPCI Express 2.0 x16 verus PCI Express x16 Forum(Solved) PCI express x16 x8 conundrum ForumPCI express 3.0 Graphics Cards vs PCI express 2.0 Graphics Cards ForumGTX680 using PCI 2.0 Express vs 3.0 Express Forum[Solved] PCI Express x16 vs . PCI Express 2.0 x16 ? ForumX4, x8 , x16 PCI Express Cards (not Video Cards) ForumPci express ® 2 1 x16 bus interface compatible for pci -e 2.0 motherboar ForumCan a pci express 2.0 x16 card run and run a card on pci express 2 0 x 8 ForumCan a Radeon HD 6670 PCI-Express 2.0 ( x16 ) go in a Aspire M1610-U202A Forum1 x PCI Express 2.0 x16 slots (@x4 mode, 2.5GT/s)" ForumPCI Express 2.0 x16 in this MB question? ForumPCI Express 2.0 x16 vs PCI Express 2.1 x16 ForumDo I benefit a lot more with pci express 2.0 ? ForumStrange Boot situation on Z77 ForumTop LGA 1366 Motherboard Comparsion - 6+ PCI Express 2.0 x16 Forum1 x PCI Express 2.0 x16 slots (@x4 mode, 2.5GT/s)" ForumPCI Express 2.0 x16 at x4 mode More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !