Nvidia to launch GeForce GTX 880 in September
The cat is out of the bag as multiple sources now have reported that Nvidia is sending out invites to press to attend a product briefing in San Francisco. It is expected that Nvidia here will launch the new Maxwell based GeForce GTX 880 and perhaps 870 as well. A week or two ago we already noticed some gamescom activity where Nvidia might tease the product. As it stands, the launchs in September might be a paper launch with product availability in the weeks to follow.
GeForce GTX 880 will be based on the GM204-GB3-256 GPU, it is one of the best sectrets to date as nobody really knows the shader processor count to date. All specs and speculated, but GM204 is expected to be a 28 nm process product, with later in the pipeline a 20 nm version.
The latest rumors indicate that the GTX 880 features 7.9 billion transistors with a whopping 3,200 CUDA cores. The product would get 200 TMUs and 32 ROPs offering a 5.7 TFLOP/s single-precision floating-point throughput. Memory you are looking at a 256-bit wide GDDR5 memory interface with 4 GB being the standard memory amount. With a memory clock-speed of 7.4 Ghz that would get the product a 238 GB/s memory bandwidth.
Earlier leaked stuff:
Now obviously we can not validate the score or anything, but this might be too much of a coincidence to suddenly appear on the web. And then there's this from the NVIDIA UK Facebook.
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Overprice, useless.

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Why would you need a card with 8GB and 256bit?
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Anyone else a bit disappointed that graphics seem to be bandwidth-limited? By that I mean the fact that the total bandwidth available for rendering hasn't really increased in the last five years but is limited by either the speed of the GDDR5 memory or the address bus (or whatever it's called). The last thing I expected was for NVIDIA next card to go back to the 256-bit bus of the GTX 600 series. I was expecting 384 or even 512-bit.
Don't 256-bit cards usually struggle with anti-aliasing at higher resolutions (though I guess with MSAA/CSAA becoming less used over cheaper, inferior post-processing AA, it may not be that much of an issue anyway)?
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If they release a 8GB version, I might just pick up a pair. Or I'll just wait for the true high end cards this time.
By the way, does the hardware fully support DirectX 12?
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Two 880 classy's under water :bannan: