Opteron A1150 's Advantages
Released 5 years and 10 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (8MB vs 4MB)
Lower TDP (32W vs 80W)
Intel Xeon E5507 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.266GHz vs 1.7GHz)