I'm assuming the 5820K would be significantly better. The quick return bonus tends to mean you get more PPD/watt from higher-end hardware.
Speaking of PPD. More WUs that give 330K please...
Need every little thing to help keep Anandtech at bay. They really fired up some upgrades a couple months ago, and even if they're calmed down a little since, they're still within 100 million and closing pretty fast.