TechPowerUp posted a review on the Intel Core i7-5960X vs i7-5930K vs i7-5820K
A quote from the article:
We review the Haswell-E lineup by pitting all its processors against each other and the Ivy Bridge-E Intel Core i7-4960X, Haswell Refresh Intel Core i7-4970K, and Haswell Intel Core i7-4770K. If you are looking to build a high-end gaming PC, or are looking to upgrade, then look no further: This review will tell you which CPU you will want to get to cover your needs.Intel Core i7-5960X vs i7-5930K vs i7-5820K @ techPowerUp