Intel Xeon E5 2620 v2 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E 2334 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.4GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 80W)