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. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedNVIDIA GTX 670 PCI Express 2.0 scaling on x16 vs x8 Forum SolvedWill pci express 3.0 x16 card work in pci 2.0 x8 slot Forum Solvedgtx 760 2GB vs 4GB on pci express 2.0 x16 Forum SolvedPCI Express x16 1.0 v/s PCI Express 2.0 x16 Forum [Solved] PCI Express x16 vs. PCI Express 2.0 x16? Forum PCI Express 2.0 x16 vs PCI Express 2.1 x16 Forum PCI Express x16 vs 2.0 Forum PCI Express 2.0 x16 vs PCI Express x16 Forum pci express x16 vs pci express 2.0 Forum SolvedPCI Express X8 VS X16 Forum SolvedDoes PCI Express 3.0 x16 graphics card work on PCI Express 2.0 slot? Forum SolvedWill pci express 3.0 x16 card work in pci 2.0 x16 slot? Forum SolvedPCI Express 3.0 x16 graphic card on PCI Express 2.0 x16 slot? Forum Solved3.0 GPU into a PCI Express 2.0 x16 Mobo Forum SolvedPCI Express 2.0 x16 GPU that will run SWTOR on max settings Forum SolvedPCI-Express x16 and One PCI Express 2.0 ×16 questions Forum SolvedHow can I tell if my motherboard has a PCI Express x16 2.0 graphics slot or a 3.0 graphics slot? Forum SolvedBest Graphics Card for PCI Express x16 2.0 DDR3 Forum SolvedWill this graphic card work the same in the PCI Express 2.0 x16 1(running at x4) slot? Forum SolvedWill a PCI Express 3.0 video card work on a pci 2.0 x16 mother board with the same performance as it works on a pci 3.0 mobo Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !