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Nvidia's G92 is little more than G80 in 65nm
Written by Daniel   
Wednesday, 10 October 2007 10:36

VP2 engine, 128 scalar units
The Inquirer
By Theo Valich: Wednesday, 10 October 2007, 4:17 PM

THE TIME for GeForce 8800GT is drawing near. The card will launch at the end of October, just in time for all those lovely games of November.

The GPU itself has 128 "super-scalar shader units" inside, and there have not been many changes over improving the efficiency of the design. The 8800GT will come to market with 112 units, disabling 16 units in order to get the yields as high as possible (similar to Cell CPU and its six or seven SPE out of eight ones actually manufactured in silicon). This will probably continue with future appearances of lower models, like "8800GS" (with an equal or lesser number of shader units).

This is identical to original G80, which had 128 units, and those chips that did not make the cut came to market as 8800GTS, 320 or 640MB. Now, Nvidia is getting ready to minimise the remaining G80 inventory with re-launch of 8800GTS 640MB, sporting 112 units - equal to upcoming 8800GT.

The chip itself is a 17x17mm die (289mm2), manufactured in both TSMC and UMC, with UMC order ranging between 850.000 and a million chips, depending on yield in hand. Nvidia is hoping to sell anywhere between two and three million chips ASAP, which is a hefty number for this part. Then again, with UT3 and Crysis, a new cycle will begin - so there is plenty of market interest.... More         Comment in the Forums

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