Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 3.6GHz)
Larger L3 cache size (10MB vs 8MB)
Xeon E 2234 's Advantages
Released 5 years and 8 months late
Higher specification of memory (2666 vs 1866)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (71W vs 130W)