Originally Posted by ViN86
If anything, I would expect them to use a 512-bit bus on the GPGPU version of the card, since host-device transfers are the often the biggest bottleneck in GPGPU.
So if they release a gaming version of GK110, I'd expect a 384-bit bus.
currently states 384bit for the GPGPU version.
They also did some interesting work on command processor on GK110 to reduce the need of CPU in GPGPU work. (launch jobs internally etc.)