Performance wise, rumors have it that Larrabee is expected no earlier than 2009 and shall be only as fast as todays current generation of GPUs upon release. According to a recent paper from Intel, simulated Larrabee performance would have us believe that with 25-cores, each running at 1GHz, we would be able to run both F.E.A.R. and Gears of War at 60 FPS. Speculating that Larrabee will be released with 32-cores, running at over 2GHz each, it is possible that Larrabee could actually be faster than rumored. Other than performance, another concern for Larrabee is its drivers and support. Even excellent hardware can be tainted by poorly written drivers and lack of support in the industry. There has been a lot of criticism of Intels past ability to write quality drivers, adding to the concern, but Intel still has time to address this matter properly. Larrabee has a really rather flexible and programmable design that ultimately depends on the drivers and supplied compilers for it to be useful.
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