Why does NVidia GTX 680 outperform 690?
doesn't. synthetic benchmarks misleading. benchmark tests favor particular architecture, or drivers particularly (or poorly) optimized specific test. passmark rankings have many cases 1 card higher score slower in real-world games card lower score. check actual in-game results sites techspot, anandtech, tom's hardware, techpowerup, bit-tech , guru3d. more accurate. http://www.techpowerup.com/reviews/amd/c... http://www.bit-tech.net/hardware/2012/09... http://www.techpowerup.com/reviews/nvidi... http://www.guru3d.com/articles_pages/geforce_gtx_690_review,18.html http://hexus.net/tech/reviews/graphics/38805-nvidia-geforce-gtx-690/?page=10 also, game titles (and benchmark tests) may have issues dual-gpu cards, causing gtx 690 score extremely low. exception, not rule. http://www.videocardbenchmark.net/high_end_gpus.html don't understand, 690 dual-gpu , costs twice amount, on website why outperfomed? Computers &...