Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 2.9GHz)
Intel Xeon E 2336 's Advantages
Released 8 years late
Higher specification of memory (DDR4-3200 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 130W)