Intel Xeon E5607 's Advantages
Higher base frequency (2.266GHz vs 1.8GHz)
Intel Xeon E5 2648L v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (75W vs 80W)