55nm Geforce GTX 260 with new PCB?
Only recently some pictures of Nvidia's 55 nanometer version of the Geforce GTX 260 had surfaced on the web. Now there is detailed information about the graphics cards equipped with the chip.
Accordingly Nvidia designed a new PCB called P654 for cards bearing G200-103-B2. In contrast to the currently used P651 which has 14 layers the new one is said to have only 10 layers. In addition to several other optimizations this is supposed to lower production costs of the GTX 260 even more - in theory at least - and finally result in lower retail prices.
But not only the PCB, but also the power supply will be updated. Expreview explains that with a Geforce GTX 260² from Zotac. On the new GTX 260 there now are 4+2 phases used instead of 3+2 phases as it is the case at the moment. Clock speeds and memory connection respectively amount of memory are not supposed to be altered. But the position will be changed. As you can see on the pictures all 14 memory chips are placed on the upper side of the card now.
The first cards with a 55 nanometer GT200 are not expected before January 2009. There is no information about possible pricing.
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