Seriously, 1024 cores now only half

Ok, so i was looking to get the gtx590 due to the cores etc, thinking the fact premiere pro uses cuda and the benefits.
and then i heard on the forum somewhere that it doesnt actually use both gpu's and therefore will only use half of the 1024 cores.
am i going to waste my money on a card that should give massive performance boasts, and why if this s true has adobe refused to not accept all the gpus'

If you take a good look at Bill's table above (which was done with 5.0.3), you'll find that there is very little practical difference in performance between a GTX 550 Ti (with only 192 CUDA cores) and a GTX 580 (with 512 CUDA cores) - but the GTX 580 costs three times more than a GTX 550 Ti - and that's with a stock-speed i7-980X with 24GB of RAM. This means that the returns in performance improvement in CS5.x starts to diminish at about 128 or so cores.
In other words, even if CS5.x can use 1024 cores, the program's performance scales rather poorly at this upper end of the core range. This means that everything else being equal, a 1024-core GPU would have provided virtually zero performance improvement over a GPU with only 480 cores.
And as I stated earlier, the GTX 590 is actually two GPUs, connected by SLI internally, in one package - but CS5.x supports only one single GPU. As such, CS5.x can see only one of the two GPUs on that GTX 590 card - one that has as many cores as the GTX 580, but running at a significantly slower clock speed than either the GTX 580 or the 480-core GTX 570 (in fact, the GTX 590 core runs at exactly the same clock speed as the old GTX 470 from last year). And if Adobe had decided to support dual or two GPUs simultaneously, it would have resulted in either a severely stripped-down program (almost to the level of Premiere Elements) at the current retail price or a program that costs about triple the price that it currently retails for (i.e. $3,000 instead of $800) or a program that breaks compatibility with all current single-GPU cards and single-GPU systems.
Message was edited by: RjL190365

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