Intel Xeon E5 2687W v2 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 28nm)
Opteron A1170 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1866 vs 3)
Lower TDP (32W vs 130W)