Hardware FR attended Intel's IDF in China this year and they came away with the first photographic evidence of the existence of a finished Larrabee processor. Near the end of their article, they have a picture of Pat Gelsinger hoisting up a 12 inch (300 mm) wafer full of supposed Larrabee dies. While the picture is somewhat grainy, we can see that each individual die is very large. Hardware FR believes that each individual die is around 600 mm square. After squinting at the picture I counted somewhere around 64 full die on a 300 mm wafer.
There are a few things that we have been bandying back and forth between the staff of PCPer, and I thought this might be a good place to go over them here. I am betting that the Larrabee is a fully custom part which should run at relatively high clockspeeds. Since it is comprised of one fixed function portion (the texture unit), the ringbus architecture to transmit data, and a handful of fully custom X86 cores attached to their own specialized vector unit.
Read the entire article at
PC Perspective.