The difference is marginal at best, the calculations in this thread also seem to ignore the way the cards are designed. SLI bridges both internal and external?, we are not talking about two independant gpu's on one card here.
The traditional way that SLI works either split frame or alternate, doesnt really lead me to think that each GPU is going to be talking at once, and i have never heard of each being assigned a certain amount of PCIe bandwidth.
Ok I got my Motherboard changed to solved the issue of 2 Gtx 590 sabertooth have two 16x pci and I got extra fan at 2 cost thanks pcs.
ASUS® P8Z68-V PRO: USB 3.0, SATA 6GB/s, NVIDIA®SLI™, ATI®CrossFireX™
Change to: ASUS® SABERTOOTH P67 (NEW REV 3.0): USB 3.0, SATA 6.0GB/s, THERMAL ARMOR!
Ok I got my Motherboard changed to solved the issue of 2 Gtx 590 sabertooth have two 16x pci and I got extra fan at 2 cost thanks pcs.
ASUS® P8Z68-V PRO: USB 3.0, SATA 6GB/s, NVIDIA®SLI™, ATI®CrossFireX™
Change to: ASUS® SABERTOOTH P67 (NEW REV 3.0): USB 3.0, SATA 6.0GB/s, THERMAL ARMOR!
lol i dont know than guy on the phone said u need saberthooth i said ok lol if there is no diffrence why did he recomended me that one o well maybe he thought it better or somthing well pcs dont have any other motherboard so not much can be done other than i cancel the whole thing. mmmm i m confuse.com
which motherboard is better anyway oout of those two ??