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When are 28nm GPUs due?
- Thread starter Cythx
- Start date
1, late 2011
2, april 2009, was ment to be december 2008 but they had issues
http://www.theinquirer.net/inquirer/news/1051942/ati-hd-4770-40nm-gpu
2, april 2009, was ment to be december 2008 but they had issues
http://www.theinquirer.net/inquirer/news/1051942/ati-hd-4770-40nm-gpu
thanks for the estimates guys
I assume you're not waiting for a low end product, you think 7 months is early?
as early as that? hmm maybe il take a pass on the cayman and wait then
I assume you're not waiting for a low end product, you think 7 months is early?
Low end 28nm samples turned out almost a month earlier than expected (which was a few weeks back) - IIRC theres currently a lead time of 5 and a half months - if all goes as expected - from samples to production lots. High performance process isn't expected to kick off for another 2-3 months with similiar lead times.
What's a lead time?
7 months isnt long, bearing in mind the 6970 still hasnt been released i dont wanna lose too much money selling my 5870, getting 6970, selling 6970, buying 7970 all in 6 months
Caporegime
- Joined
- 18 Oct 2002
- Posts
- 33,188
Incorrect, GPU's are ALWAYS high power, theres ultra high quality, SOI/HKMG which are for well, 2Ghz + cpu's, bulk whatever process, pretty much every single gpu to date has been made on this, and low power bulk, some mobile gpu's and the like are made on it, but barely any, its more for, well, 1-15W chips and rarely anything as powerful as a cpu/gpu.
The current process's being sampled for low end at both GloFo and TSMC is the "normal" bulk process, people just like to test a midrange or low end there first.
GloFo could be at almost any stage, they showed sample wafers the best part of a year ago, I'd imagine being so closely linked with AMD that the time "normal" customers would get involved and start sampling chips wouldn't necessarily be the same as with AMD. IE, AMD could have a decent head start, who knows.
The low end stuff for Nvidia at TSMC didn't tape out, just samples came back, different thing, you generally take 4-5 months from tape out to release. High end stuff is likely later because its unusual for AMD to go with a new process at the high end untested, and Nvidia might not want to do that this time and seemingly are testing a low end chip first.
Basically TSMC are fairly public(or leaky) with major advances and tapeout's samples getting out, so its unlikely at this stage that low end will be before May really, somewhere late Q2, and high end, could be anything from then to 2012, we have no idea what Nvidia's plan is and if they can hit a new process running, lately they haven't come close to doing that(being VERY late to 55nm aswell).
GloFo, well, we don't know how public/leaky they'll be regarding tapeouts and samples so we really have no clue what stage they are at.
If someone like Charlie, or AMD/GLoFo themselves tell use a tape out date and we get a launch 5 months later, we'll know.
Then theres the little problem that we have literally no clue as yet what and where AMD will make at TSMC/GloFo, high end TSMC, low end GloFo, the other way around, all this next generation at one fab, I think all we can say for certain is, Nvidia will be all TSMC.
http://translate.google.com/transla...co.jp/docs/column/kaigai/20101101_403541.html
Not sure if that will work, if it goes to the article rather than picture for you, scroll down, theres a small TSMC roadmap with an idea of which gpu's were made on what, basically all gpu's worth anything get made on the high performance bulk process.
The current process's being sampled for low end at both GloFo and TSMC is the "normal" bulk process, people just like to test a midrange or low end there first.
GloFo could be at almost any stage, they showed sample wafers the best part of a year ago, I'd imagine being so closely linked with AMD that the time "normal" customers would get involved and start sampling chips wouldn't necessarily be the same as with AMD. IE, AMD could have a decent head start, who knows.
The low end stuff for Nvidia at TSMC didn't tape out, just samples came back, different thing, you generally take 4-5 months from tape out to release. High end stuff is likely later because its unusual for AMD to go with a new process at the high end untested, and Nvidia might not want to do that this time and seemingly are testing a low end chip first.
Basically TSMC are fairly public(or leaky) with major advances and tapeout's samples getting out, so its unlikely at this stage that low end will be before May really, somewhere late Q2, and high end, could be anything from then to 2012, we have no idea what Nvidia's plan is and if they can hit a new process running, lately they haven't come close to doing that(being VERY late to 55nm aswell).
GloFo, well, we don't know how public/leaky they'll be regarding tapeouts and samples so we really have no clue what stage they are at.
If someone like Charlie, or AMD/GLoFo themselves tell use a tape out date and we get a launch 5 months later, we'll know.
Then theres the little problem that we have literally no clue as yet what and where AMD will make at TSMC/GloFo, high end TSMC, low end GloFo, the other way around, all this next generation at one fab, I think all we can say for certain is, Nvidia will be all TSMC.
http://translate.google.com/transla...co.jp/docs/column/kaigai/20101101_403541.html
Not sure if that will work, if it goes to the article rather than picture for you, scroll down, theres a small TSMC roadmap with an idea of which gpu's were made on what, basically all gpu's worth anything get made on the high performance bulk process.
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