Originally Posted by Razor1
No there isn't that much difference in the BOM between these cards, the chip if Fermi's rumored ~500mm2 is true, its only 1.5 bigger then then Cypress's 335mm2, unlike the gtx 280 where ATi had a 2 times the die size advantage. You are looking at possibly ~$20 between the two GPU's,
What about the 384 bit bus then?,which makes the PCB more complex to design and more expensive.
Or the fact that the GTX480 needs 12 GDDR 5 memory modules on each card,because of the 384 bit bus,while the HD5870 makes do with 8 GDDR5 modules on each card(256 bit bus).