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NVIDIA GeForce GTX 660 Gets Detailed Although we still have no accurate information about actual clock speeds, we finally have a first insight of some basic specs you would probably expect from such card. User PHK is a VIP member of Expreview forums. He is a recognized source of many leaks. Unfortunately, he doesn’t mention GTX 660 name itself, but we may assume that he is referring to such mid-range card from NVIDIA. If the translation is accurate, then we might expect a very short PCB (his post mentions number 4, as if those were inches, but that would be less than GT 640, so I don’t find this as actual length). What we are seeing here, is a new NVIDIA’s strategy in designing cards. It’s definitely easier to develop a new PCB and do some basic limitations to the GK104 GPU than creating a new one from scratch. As PHK mentions further, GeForce GTX 660 will have 2GB 192-bit memory. Card will be equipped with dual-DVI, DisplayPort and one HDMI output. Card would be powered by 4-phase PWM design. What he also says is ‘single 6′. This could probably refer to the quantity of SMX clusters — 6 SMX are equal to 1152 CUDA cores. And finally total dissipated power is reported at 100 Watts. Final specification of GeForce GTX 660 would like this: 28nm GK104 Kepler GPU 6 SMX clusters 1152 CUDA Cores 1.5 or 2GB of GDDR5 memory 192-bit memory interface Dual-DVI, DisplayPort and HDMI output TDP of 100W If the leak from Acer is correct, then we should expect first GeForce GTX 660 cards in a week. On the other hand, if KitGuru is right (huge overstock of GTX 570 delaying a launch of 660), then we shall wait until August. source
