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Old 05-02-11, 10:51 PM   #7
shadow001
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Join Date: Jul 2003
Posts: 1,526
Default Re: nVidia's 28nm Kepler expected to hit stores in late 2011?

Now that i really payed attention to the chart, it lists 5 gigaflop at dual precision floating point per watt, so it's not that hard to compare with fermi on a pretty rough basis....


let's say for sake of argument that Kepler uses the same power as fermi(it can't go much higher anyways because of PCI-e certification issues)....Keep in mind this is very rough math and in no way meant to be precise, just a rough estimate.



240 watts average x 5 GF per watt = 1.2 terraflop, dual precision floating point math for Kepler, but if the card uses closer to 300 watts, then it could be as much as 1.5 terraflop dual precision floating point math...


Fermi is rated at about 750 Giga flop for dual precision floating point in the GTX580 cards with all 512 shaders enabled at 800 Mhz clock, so kepler might actually be pretty close to doubling the shader power overall....No idea for texturing, or fillrate or tesselation though...
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