Intel Xeon E5 4620 's Advantages
Higher base frequency (2.2GHz vs 1.8GHz)
Intel Xeon E5 2675 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (40MB vs 16MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (110W vs 130W)