Intel Xeon E5 1620 v2 's Advantages
Released 9 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.7GHz vs 3.1GHz)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 4334 's Advantages
Lower TDP (95W vs 130W)