The 3930k is not in the same category as the just released Haswell processors. SB-E is designed for the top end premium performance and extreme categories whereas the just released haswell processors are in the low end premium performance to mainstream performance categories. The upcoming replacement for the SB-E processors is IB-E, the haswell offerings were never designed to replace SB-E.

Not to mention the 3930k has 6 cores whereas all of those have 4.