Nvidia’s next-generation video card launch details may have been indadvertedly leaked by a Gigabyte executive. In an interview with Expreview, the executive claimed that Nvidia will unveil the GeForce GTX 880 in the month of September, with Gigabyte coming out with a custom card based on the reference design, dubbed the GTX 880 G1.Gamer. 

Details of the card are scant at this moment, but it is estimated that Gigabyte’s GTX 880 will feature a thermal cooler that can handle loads as high as 650W, and will feature a silent cooling solution that makes little to no noise when running in idle load. Also rumored is a 256-bit interface, along with 4GB GDDR5 video memory.  The first about the card leaked online in June. The GPU that will power the card is allegedly called GM204, and will be manufactured using a 28 nm process. Difficulties in shifting to large scale manufacturing are said to be a limiting factor in launching cards on the 20 nm process.

Additional information based on Zauba database listings suggests that Nvidia is currently in the testing phase with the GTX 880. Nvidia has a facility in Hyderabad that works on integrating the software drivers for its video cards, so it is likely that reference designs of the GTX 880 have been sent to the facility for testing. 

More details regarding the launch of the GTX 880 will likely be divulged at Gamescon, which is being held later this week. 

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As always, there are going to be a plethora of rumors about the next GPUs coming from AMD and Nvidia, so it comes as no surprise that new details are leaking about Nvidia’s next generation of GPUs based on Maxwell. Nvidia has already launched the Maxwell architecture with the incredibly efficient and modular GTX 750 Ti. However, this is their one and only Maxwell part and there are lots of people wondering when we’ll see the mid and high-end parts.

So, today’s rumor, about the GeForce GTX 880 and GTX 870 are clearly feeding off of this desire for information and likely enlighten when and what we can expect to see from Nvidia. The first and foremost important detail is that their sources claim that the GeForce GTX 880 and GTX 870 will be launching in the fourth quarter of 2014, most likely in October or November. This would give Nvidia ample time to prepare for the fall/winter game release rush and to have a new and exciting product for the holiday season.

Also, as expected this part will still be based upon the 28nm process from TSMC as the countless rumors of TSMC’s 20nm delays seem to never end. While we all believe that both AMD and Nvidia would love to manufacture their latest generation of high-end GPUs on TSMC’s 20nm process, it simply does not appear to be ready for their multi-billion transistor chips. Let’s remember that Nvidia’s GK-110 is actually a 7.1 billion transistor chip and there is a very strong liklihood that a Maxwell part like what we would expect to be the GM-110 is very likely going to be a GTX 9 series part and not a GeForce GTX 880.

As we saw from Nvidia in the past, they generally launch a cut-down version of the architecture first like the GTX 680 (GK104) and then once their process is more mature and their thermals/yields are manageable, then you’ll see a GTX 780 Ti (GK110) that fully follows the ‘full-blown’ architecture design without any compromises. A lot of sites are referring to the Maxwell batch of GPUs as GM204 and GM-210 however there is no reason to believe that Nvidia would do this, especially since the GTX 750 Ti is a GM107 chip. If the process hasn’t changed and the architecture is the same, I don’t see any reason why the GeForce GTX 880 could not be a GM-104 with its full-blown successor being a GM110 or GM210 if they decide to go with the 20nm die shrink (very likely).

However, some of the rumors continually refer to the high-end GPUs as GM204, which leads some people to believe that we may see more than just higher performance out of a GeForce GTX 880 or GTX 870 part. Realistically, though, I don’t really see this being possible and those parts may be reserved for professional or HPC applications that will get released shortly after the GeForce GTX 880.

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