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Reports: AMD cancels Globalfoundries 28-nm APUs

11/23/2011 11:16 AM EST
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resistion
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
resistion   11/27/2011 7:42:16 PM
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I think then we agree more bins would be better, right? So foundry customers should hopefully start using speed bins explicitly in their product line definitions, just like Intel CPUs. The end user would be less unclear about what he/she is getting.

resistion
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
resistion   11/27/2011 7:14:42 PM
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Intel Silverthorne had several speed bins and very small die size. Not typical for foundry-made, where usually the customer designs a few trillion transistors covering 500-600 mm2.

resistion
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
resistion   11/27/2011 6:35:44 PM
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I see Xilinx has 4 speed grades. Otherwise the customer needs to accept a wide GHz range. And if the die size is too large, the same number of lost dies would be a larger yield loss. It is the customer's responsibility in the end. But lack of customer consistency would mean different yields per customer.

Tommy_Hater
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
Tommy_Hater   11/26/2011 7:51:06 PM
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resistion: U seems to have the ability to talk crap with lot of confidence! U have no idea how foundry wafer sort works.

resistion
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
resistion   11/26/2011 7:26:36 AM
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Most foundry made products do not have benefit of speed bins. More bins, less to chuck.

GroovyGeek
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
GroovyGeek   11/25/2011 6:46:14 PM
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So you are saying that foundries producing MPUs and memories all target them to a single bin ahd chuck everything else? Yeah, sure...

docdivakar
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
docdivakar   11/25/2011 5:34:09 PM
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@Chipmonk: some good points you raise in your analysis. Foundry utilization details was something GloFo never discussed in their technology day this fall. But they did make a point about diversification including AMS & MEMS business than digital / memory business dominancy. MP Divakar

Jakobus
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
Jakobus   11/24/2011 12:08:02 PM
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http://www.acrossemi.com/index.php?option=com_content&view=article&catid=35%3Aindustry&id=2132%3Atsmc-wins-orders-for-28nm-gpu-from-amd-says-paper&Itemid=75&lang=en Here is the link. And if you read the articles from Semiaccurate and Extremetech than you will see that it was no more than a (wrong) assumption that Glofo is intended to produce the chip. But this was not the case and now all this allegations have no foundation any more. The truth is totally different.

Jakobus
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
Jakobus   11/24/2011 11:58:09 AM
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AMD simply decided to let produce TSMC more Radeon GPUs with high margins instead of low margin APUs because the 40nm Bobacats are still selling very well. It has nothing to do with Glofo. Please, get it!

Jakobus
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re: Reports: AMD cancels Globalfoundries 28-nm APUs
Jakobus   11/24/2011 11:38:35 AM
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The story is partly wrong and exaggerated. Already months ago taiwanese media such as digitimes and commercial times reported that the chips are to be produced by TSMC and not Glofo. While Glofo is already busy with Llano and Trinity chips, TSMC also has not so much capacaties in 28nm for all its customers. Therefore, AMD is obiously shifting to more profitable graphic gpus. All in all, the story has little to do with Glofo or problems at AMD but with high demand for hardly available 28 nm products from TSMC.

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