Intel Xeon E5607 's Advantages
Lower TDP (80W vs 120W)
Intel Xeon W 2150B 's Advantages
Released 6 years and 10 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3GHz vs 2.266GHz)
Larger L3 cache size (13.75MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)