Xeon w7 2565X 's Advantages
Released 14 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.2GHz vs 2.266GHz)
Larger L3 cache size (37.5MB vs 4MB)
More modern manufacturing process (10nm vs 45nm)
Intel Xeon E5507 's Advantages
Lower TDP (80W vs 240W)