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Kepler, Maxwell and Volta? Confused

post #1 of 4
Thread Starter 
So I just recently bought a 780 Ti SC. It is a Kepler architecture. Was that a bad move seeing as Maxwell is scheduled for sometime this year? and Volta for 2016.

What exactly do these different architecture do? Does that mean my 780 Ti will become worthless in a few months? Will a Maxwell chip that cost half the price of a 780 ti be able to out power a 780 ti easy?
post #2 of 4
Maxwell
Nvidia instead focused on power efficiency. Nvidia's video encoder, NVENC, is one-point-five to two times faster than on Kepler based GPUs meaning it can encode video at six to eight times playback speed.[6] Nvidia also claims an eight to ten times performance increase in Purevideo video decoding due to the video decoder cache paired with increases in memory efficiency, however H.265 is not supported for full hardware decoding, relying on a mix of hardware and software decoding.[6] When decoding video a new low power state "GC5" is used on Maxwell GPUs to conserve power.[6]

Volta
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post #3 of 4
Your card will be just fine down the line. Just like anything else in the world of electronics there is always something bigger and better on the horizon. That doesn't mean that the card you have now will automatically turn to crap when they release. It'll be good to go for many years to come.
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post #4 of 4
The more budget based Maxwell GPUs, the GTX 750 and the 750 Ti, are already faster than their respective GTX 650 and 650 Ti Kepler counterparts.

The biggest difference between the two is the lower power consumption. Second, the number of GPU cores are actually lower. Third, if you're wanting a more detailed point, the L2 Cache of Maxwell is 8x larger than Kepler.

It just boils down to Maxwell providing the same performance for lower power and creating a more powerful top level GPU.

For instance:

(Kepler) GTX 650 Ti --- ~160w TDP - 768 GPU cores

(Maxwell) GTX 750 Ti --- ~95w TDP - 640 GPU cores

With the GTX 750 Ti being about 30% faster at the same time. Marvelous how this works eh?
     
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