Intel Xeon E5503 's Advantages
Lower TDP (80W vs 140W)
Opteron 6386 SE 's Advantages
Released 2 years and 8 months late
Higher specification of memory (1600 vs 3)
Higher base frequency (2.8GHz vs 2GHz)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (32nm vs 45nm)