Both Nvidia and AMD have switched to a release model comparable to Intel's tick-tock, but within the same manufacturing process. Both of them have reached the limits of what can be achieved inside a common PC case when it comes to power consumption, heat dissipation and noise, and manufacturing processes have not sped up to counter that limitation, so the only choice they have is to make two generations on the same process with some architectural tweaks.
Nvidia has more margin and could indeed release a GK100 based card, and it would surely be faster, but probably wouldn't be that much faster in games, probably the same as a GK114 based card, with the main benefits being much improved GPGPU performance. But right now I bet they want to recover the costs that the GF100 based GTX 400 series and GF110 based GTX 500 series cost them.
We should expect that the GTX 780 does use a wider memory bus, in order to not be limited at 1600p / 1440p and multi-monitor gaming.
Edited by tpi2007 - 10/14/12 at 12:06am
Nvidia has more margin and could indeed release a GK100 based card, and it would surely be faster, but probably wouldn't be that much faster in games, probably the same as a GK114 based card, with the main benefits being much improved GPGPU performance. But right now I bet they want to recover the costs that the GF100 based GTX 400 series and GF110 based GTX 500 series cost them.
We should expect that the GTX 780 does use a wider memory bus, in order to not be limited at 1600p / 1440p and multi-monitor gaming.
Edited by tpi2007 - 10/14/12 at 12:06am
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