Geforce GTX 880 Maxwell could have 8GB of GDDR5 Memory and Factory Based Water Cooling – Alleges Import Sheet
Our colleagues over at Videocardz.com have spotted some very interesting information on the Chinese forum Chiphell. Apparently an import/export data sheet suggests that the GTX 880 might actually have 8GB of GDDR5 RAM. Now it goes without saying that this information at the moment is not anywhere near concrete news, so take it with a pinch of salt.
Nvidia Geforce GTX 880 Could Actually Ship with 8GB of GDDR5 Memory - Water Cooling spotted as well
I have a very healthy wariness where speculation is concerned, but this comes from reliable sources so it is definitely worth posting about. Basically the specs sheet of the import/export data from Zauba is available there and something very interesting is present in those sheets. One thing that VCZ noticed was that the memory mentioned, is in fact 8GB GDDR5 and another thing that I noticed was that the components look like a DIY package of sorts. I.e. anything int hat list could very well end up on the GPUs. And the spec sheet lists a "water cooled plunger" too and if that doesn't raise eyebrows I don't know what does. Now according to the same spec sheet, the GM204-B1 will power the GTX 900 series, which will be Maxwell on 20nm. Similarly the GM204-A1 and GM204-A2 are apparently reserved for the GTX 800 Series, which might or might not be at the 20nm node (unlikely).
Now interestingly if the 8GB buffer rumor is true than that would mean the GTX 880 has either a 256 or a 512 bit memory interface. Since of course anything higher is not possible with current ram technology (not counting HBM and 3d Ram). So what we have hear is one set of probable, well founded, speculations. This is also a very firm base to build future leaks on. So basically we are looking at a GTX 880 with 8GB GDDR5 Ram and a 256/512b interface that might or might not be water cooled. Oh and it will have the A1 or A2 revision. Pretty cool.
NVIDIA GeForce Maxwell Details Analysis (Hassan Mujtaba):
The same shipping site also revealed the name a few weeks ago listing several high-end GeForce chips such as the GM204 and GK210. We came to the conclusion that these chips will be configured for different tiers of cards that are mentioned below:
- NVIDIA GM200 (Maxwell Architecture, High-Performance for Telsa/Quadro Arrives later for Cosnumers, Successor of GK110)
- NVIDIA GM204 (Maxwell Architecture, High-End Consumer, Successor of GK104, First GeForce 800 Series Products likely to feature)
- NVIDIA GM206 (Maxwell Architecture, Performance Minded, Successor of GK206, Mid-Range GeForce 800 Series products to feature)
- NVIDIA GM107/207 (Maxwell Architecture, Entry Level, Successor of GK107, Entry Level GeForce 800/700 Series To feature, Already introduced on GTX 750 Ti / GTX 750)
One thing that still hasn't been confirmed it whether or not these chips will feature a 20nm process but its most likely that NVIDIA will move for 20nm now considering that their GM107 series based on the 28nm process has already been out for a while and we will be approaching 2H of 2014 soon. The GeForce 800 series will include a flagship part that's not based on the GK110's successor (GM200/GM210) but rather the GM204 which replaces the GK104. NVIDIA launched their first Kepler high-performance card with the GK104 core so its probably that NVIDIA may use GM204 to power their GeForce GTX 880 graphics card. The Maxwell GPU architecture will be fully compatible with DirectX 12 featuring low-CPU overhead in addition to new features that are only going to be introduced on next generation chips such as Maxwell itself.
The memory bus is quite tricky to confirm right now but 512-bit seems highly plausible coupled with 8 GB of GDDR5 memory while the high-end GK110 replacement would be either 512-bit or greater.
|GeForce GTX 480||GeForce GTX 580||GeForce GTX 680||GeForce GTX 780||GeForce GTX 880||GeForce GTX 980|
|Launch||March 26th 2010||November 09 2010||March 22nd 2012||May 23rd 2013||2H 2014||2015|
|Price||$499 US||$499 US||$499 US||$499 US||$499 US?||$499 US?|
— Usman Pirzada (@usmanpirzada) May 5, 2014
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