Xeon E5530 's Advantages
Released 9 months late
Higher specification of memory (1066 vs 667)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (45nm vs 65nm)
Lower TDP (80W vs 119W)
Opteron 8360 SE 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)