Nvidia is not crazy.. this card for consumers was not ready... or GK100 will have exist ( when i was speak early about difference on GK100 and 110, this was not Nvidia have not release the GK100, just they have never push the GK100 outside early tapped out it who have been made around August 2011 , so impossible to know what was Kepler GK100 initially ) ... they have only start to push the GK110 in taped out in May.. ( 2 months after release the GK104 and 7 months after release pushed out the initial samples of the GK100 on test .. ), the GK110 have been starting production in end of summer.. ( who is fast for consummers production, not when you only send core to an HPC center, as yields are not important, what is important is you can delivery them ( who have finally been possible for 14000 chips 3 months later ) . K20 Tesla series have been then launch officially on Q4 2012.
If Nvidia will have launch the GK100 around march or even before ( January 2012 ), this cost 6 months for start the final production after tapped out.. so they should have pay TSMC during since month for launch the GK100 and finally put it down in december.. ( this cost too many time, engineer and money for let it down because GK104 was enough ..)
Its not a question of release them or not, what i was said, is when peoples said, this is the Kepler who was expected to be the GTX680, this is not true. GK100 have been taped out in august 2011 and never released, GK110 is not the Kepler GK100 ... the GK100 have been taped out and lost somewhere between august 2011 and december 2011. We all know how work Nvidia, Gx100 = first cores.. GK110 = the second based on the g100 architecture.
The GK110 is really a revisited GK100 ( with certainly more difference between the GK100 you can see on the GK104 ( more FP64 cores ( 64/SMX ), no Polymorphe engine ( no need for computing , they are replaced by pure DP units )
If the GK110 used in August 2012 for the Titan center, is not even able to use the full cores and SMX available ( one is disabled ), this is really hard to imagine they could have this chip ready for Q1 2012 as a consumer / gaming cards.. specially when it have been taped out in May 2012 ( so after the GK 104 have enter the market ) . And finally release it as a "titan cards " 8 months later .. who dont look to be included in the 700 series so far.



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