Intel Xeon E7 8893 v3 's Advantages
Released 5 years and 3 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.2GHz vs 2.266GHz)
Larger L3 cache size (45MB vs 4MB)
More modern manufacturing process (22nm vs 45nm)
Intel Xeon E5507 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (80W vs 140W)