Intel Xeon E5507 's Advantages
Higher base frequency (2.266GHz vs 1.7GHz)
Opteron A1150 's Advantages
Released 5 years and 10 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (28nm vs 45nm)
Lower TDP (32W vs 80W)