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NVIDIA GT300 to have over 3 billion transistors

Posted on Tuesday, September 29 2009 @ 19:17:52 CEST by

Rys from Beyond3D has published a blurred screenshot of a diagram of the NVIDIA GT300 architecture. The chip is named GF100, which appears to be yet another codename for the GPU we know as GT300. The "GF" possibly stands for "GeForce Fermi".

VR Zone grabbed their magnifying glass and published some of the info they could uncover from the slide. One of the details they've unearthed is that the chip has over 3 billion transistors, it's not very readable but it could be 3.2 billion transistors.
At the bottom of the blurred diagram are what looks like 6 MCs, which confirms the 384-bit memory interface we reported earlier. Right above the MC we have a big chunk of ROPs, though it just looks like one big, black blur - which might suggest too many ROPs than can be differentiated by large white spaces.

Things get particularly tricky once we get to the processing units. One of these GF100 SIMD/MIMD units seems quite different from GT200's SIMD units, as shown here in Beyond3D's previous GT200 diagram. Replacing the 24 "shader cores" in GT200 are what we can only suggest as "between 16 and 20 grey dots" and "4 blue stars". Back to the diagram itself, there are 16 of these units. Once the significance of these "grey dots" and "blue stars" are revealed, we will have a major portion of the specifications.


Use Disqus to post new comments, the old comments are listed below.

Re: NVIDIA GT300 to have over 3 billion transistors
by Anonymous on Wednesday, September 30 2009 @ 02:28:54 CEST
If it doesn't have displayport, I'll go with the 5870x2.


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