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Old 09-25-2009, 12:03 PM   #1 (permalink)
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Question Next generation of Nvidia card trouble?

Fudzilla - Next generation Nvidia 40nm chip yields are fine

What are they talking about? I'm not sure I know what yield means in terms of graphic cards is it performance or failure rates? ( I'm guessing the latter ) Anyone hear anything about this?
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Old 09-25-2009, 02:13 PM   #2 (permalink)
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Default Re: Next generation of Nvidia card trouble?

High yield = more usable chips per wafer, low yield = less usable chips per wafer (witth he rest being duds).

Basically Nvidia is saying the rumors of extremely low yields is false, but it doesn't give an numbers.
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Old 09-25-2009, 03:42 PM   #3 (permalink)
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Default Re: Next generation of Nvidia card trouble?

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Originally Posted by Trotter View Post
High yield = more usable chips per wafer, low yield = less usable chips per wafer (witth he rest being duds).

Basically Nvidia is saying the rumors of extremely low yields is false, but it doesn't give an numbers.
I'm sorry could you elaborate a little? what does this mean for the consumer if the yields are low or high? Performance?
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Old 09-25-2009, 06:35 PM   #4 (permalink)
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Default Re: Next generation of Nvidia card trouble?

It means nothing to consumers. Performance is something that is a after thought. All this means is that there is more mother boards for the products than what is reported. That is it, nothing more nothing less.

If anything it means that they have the ability to meet the demand for the products which use these mother boards more effectively.
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Old 09-25-2009, 08:05 PM   #5 (permalink)
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Default Re: Next generation of Nvidia card trouble?

If yields are low, there will be fewer usable chips per run, making them scarce and therefore more expensive.

Good yields would be able to keep up with demand, hopefully keeping prices a little lower.
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Old 09-26-2009, 03:15 AM   #6 (permalink)
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Default Re: Next generation of Nvidia card trouble?

Pretty much what has already been said. When the chips are manufactured, the silicone chips start from a "wafer", which is like a print out of chips. Yields are the amount of manufacture ready chips from a wafer. It's due mainly due to two things, the size of the chips and the ratio of defective chips. Some architectures produce more "bad" or less-than-ideal chips so maybe only 80-95 percent of chips produced will make it into the final product. The size (usually directly linked to the size of the transistors on the chip, in this case nVidia is producing 40nm chips) also affects yield as the smaller the entire chip is, the more you can make per "run". The less supply there is the more scarce they become and can lead to a shortage if supply doesn't meet demand which will lead to high prices and low availability.

Think of the PlayStation3 launch, if you know about it that is. The PS3 unit had fairly poor manufacture yields (which from my memory is mainly due to the "cell" processor it was fitted with) which led to a huge shortage (think of consoles selling for $1000+ on ebay).

There were rumors that nVidia wouldn't be able to meet demand, but I don't think that will be an issue.
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Old 09-26-2009, 07:36 PM   #7 (permalink)
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Default Re: Next generation of Nvidia card trouble?

Thanks I appreciate everyones feedback
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