Xeon E7530 's Advantages
Higher specification of memory (1333 vs 4)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1285 v6 's Advantages
Released 7 years and 5 months late
Newer PCIe version (3 vs 2)
Higher base frequency (4.1GHz vs 1.866GHz)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (79W vs 105W)