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Thursday, 20 January 2011 11:06

Why AMD chose TSMC for its 28 nm graphics

Written by Fuad Abazovic
amd

Was not sure in GloFo ability to glow
Sources close to AMD confirmed that TSMC will be the fab of choice for 28nm graphics. The same people are suggesting that AMD didn’t want to risk and produce its graphics chips with Global Foundries as it was not sure if the new fab can deliver.

At the same time, AMD could not spare two sets of engineers and make two chips for two fabs. While this would have definitely been the best course of action, AMD simply doesn’t have resources for something like that.

The big issue is that Nvidia has more attention from TSMC, since it is a larger customer, but TSMC will give AMD as much attention as necessary. If they are both on time, you should see some 28nm graphics chips before the end of this year.

28nm means more transistors that are smaller, have better thermals and of course more graphics power. Next stop for AMD is to make this new core work with its next generation Fusion core, that is expected at 2012.

 

Last modified on Thursday, 20 January 2011 11:14
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Comments  

 
+38 #1 leftiszi 2011-01-20 11:24
Hasn't it been confirmed already that TSMC has bumped into some serious problems for 28nm, that will delay this process for mass production well into 2012?
 
 
+33 #2 yourma2000 2011-01-20 11:37
Quote:
AMD didn’t want to risk and produce its graphics chips with Global Foundries as it was not sure if the new fab can deliver.


But TSMC can?
 
 
+11 #3 deadspeedv 2011-01-20 12:23
I thought TSMC proved that it couldn't handle yield productions for both ATi and Nvidia with the 40nm. If I was running AMD I would of gave a 15-33% share of manufacturing chips to glofo and the rest to TSMC so if either one of them presents poor yields you have a backup. Plus it will atleast give Global Foundries a chance to present itself as a serious fab and bring healthy competition, so both will push for quality. I am an AMD man with a HD5970 and even I think this is a silly decision.
 
 
+27 #4 azrael 2011-01-20 13:37
Quoting deadspeedv:
I thought TSMC proved that it couldn't handle yield productions for both ATi and Nvidia with the 40nm. If I was running AMD I would of gave a 15-33% share of manufacturing chips to glofo and the rest to TSMC so if either one of them presents poor yields you have a backup.

The problem is that chips have to be tailored for a specific manufacturing process. TSMC's process most likely isn't the same as GloFo's, so to do what you ask you'd have to have each chip engineered twice, once for TSMC and once for GloFo. AMD hasn't the resources for that, so it chose to go the TSMC route.
Given TSMS's track record (massive issues with 40nm and a dropped 32nm process), I'd gone with GloFo personally. They can hardly do worse.
 
 
-20 #5 Bl0bb3r 2011-01-20 14:37
Oh... Fufy at it again! Way to go trashing this site to the ground!
 
 
+18 #6 Scootiep 2011-01-20 14:54
Quoting deadspeedv:
I thought TSMC proved that it couldn't handle yield productions for both ATi and Nvidia with the 40nm. If I was running AMD I would of gave a 15-33% share of manufacturing chips to glofo and the rest to TSMC so if either one of them presents poor yields you have a backup. Plus it will atleast give Global Foundries a chance to present itself as a serious fab and bring healthy competition, so both will push for quality. I am an AMD man with a HD5970 and even I think this is a silly decision.


Did you just miss this part of the article? "At the same time, AMD could not spare two sets of engineers and make two chips for two fabs." Or do they need to bold, italicize and underline the important parts for you?
 
 
-25 #7 Neo 2011-01-20 16:35
Creo que hay some confussion porque Fud. says that AMD will use TSMC 28nm proccess y otros dicen que ya los estan haciendo en GlobalFoundries , a mi lo mas logico es que utilice TSMC pues AMD no se puede dar el lujo de sacar porcientos elevados de obleas de chips defectuosos, creo que esta vez hacen lo correcto TSMC lleva en el bussiness for years. So a 5 to AMD.
 
 
0 #8 Scootiep 2011-01-20 17:56
Quoting Neo:
Creo que hay some confussion porque Fud. says that AMD will use TSMC 28nm proccess y otros dicen que ya los estan haciendo en GlobalFoundries , a mi lo mas logico es que utilice TSMC pues AMD no se puede dar el lujo de sacar porcientos elevados de obleas de chips defectuosos, creo que esta vez hacen lo correcto TSMC lleva en el bussiness for years. So a 5 to AMD.


Why is this guy getting thumbs down? He makes a good point. GloFo was having more defective wafer issues and AMD made the safe bet.
 
 
+19 #9 arclight 2011-01-20 18:02
TSCM better get this right......

@Neo
We all come from different countries, it's just better if we talk the same language, English.
 
 
-2 #10 SlickR 2011-01-20 18:53
Whats after 28nm? I mean past 18nm is a huge limitation, how are nvidia and amd going to improve their chips without all the shrinking?
 

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