Ok here i put a difference between MSI GTX 680 Twin Frozr III OC Vs GTX660s Ti MSI Power Edition OC SLI both tests were with stock GPU in ventage.
GTX680 Msi TF III OC Stock
2 GTX660Ti Msi Power Edition OC Stock
TPU hey guys I've always had this curiosity and I would like you to help me is about Nvidia panel Global Settings which is the best settings for 3DMark 11 or Benchmark and currently I have 2 GTX 660 Ti Power Edition OC SLI and then hope we can all plus we help Nvidia 600 Series Cards!