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nVidia GT300's Fermi architecture unveiled: 512 cores, up to 6GB GDDR5

Just like we disclosed in the first article "nVidia GT300 specifications revealed – it's a cGPU!", nVidia GT300 chip is a computational beast like you have never seen before. In fact, we would go as far out and state that this is as closest as GPU can be to a CPU in the whole history of graphics technology. Now, time will tell whatever GT300 was the much needed revolution.

Beside the regular NV70 and GT300 codenames [codename for the GPU], nVidia's insiders called the GPU architecture - Fermi. Enrico Fermi was an Italian physicist who is credited with the invention of nuclear reactor. That brings us to one of codenames we heard for one of the GT300 board itself - "reactor".
When it comes to boards themselves, you can expect to see configurations with 1.5, 3.0 GB and 6GB of GDDR5 memory, but more on that a little bit later.

nVidia plans GT300 demos for late September

After hearing from multiple sources spanning on several continents, we can be fairly certain that the samples of nVidia's first DirectX 11 GPU are going to depart from engineering labs. Just like GT200, GT300 spent several months in the Labs while the drivers were being created.

Given that today's GeForce drivers contain more code than Windows XP core, we aren't surprised that nVidia is taking time to get the product ready for market. Just like some media were suggesting that GT200 taped out in March 2008 [while some developers got the GT200 cards as early as three months before that tape out story], GT300 needs time [and human resources] to finish the development. GT300 is the base graphics architecture not just for the standard desktop or notebook graphics, but also as a future graphics base for the Tegra generation of products. And with recent rumors of nVidia implementing ECC feature into the GPU [which is a given, since GDDR5 comes with ECC], Tesla parts should be quite interesting as well.

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