Do you realize what kind of performance you could have with four GTX-750 TI SC cards crunching 2 Units at a time on each card???!!!???

I don't.

Please enlighten me.

Roughly, a RAC of 11,000 per card (MB only).

And to confirm that, here's a GTX 750 Ti I started from scratch on a new account on 31st. August - around midday, so just over 27 days before it cracked 11,000 RAC, and still rising.

It's running as described here - MB only, two tasks at a time, SETI not crunched on the host CPU. The notch is where we lost some crunch time, because of the fire in the co-lo.

Here's a rig I'm running, 2-MBs at a time on a 750Ti only. G3258 with no tasks feeds the card, and is a 24/7 seti cruncher.

some interesting articles:
http://streamcomputing.eu/blog/2012-08-27/processors-that-can-do-20-gflops-watt/
http://www.phoronix.com/scan.php?page=article&item=gpu_comparison_stats&num=4
by family:
http://www.realworldtech.com/compute-efficiency-2012/2/

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