Definitely hit apply as I can see the increase in performance.
Wondering whether I might actually be hitting a bottleneck? People were suggesting that with 1 card I shouldn't be hitting the PCIe 2 limit (need an Ivy Bridge to enable my PCIe 3) but maybe it actually is?
You should be fine for avoiding a bottleneck.
I just ran this
I have turned my 3960X into a 2500k by disabling 2 cores, disabling hyperthreading, oced to 4.3, Ram @1600 and running PCI-E 2.0
Single GTX 690 using tha same settings as you did on Heaven 4
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