Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 3.2GHz)
Intel Xeon E 2388G 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (95W vs 130W)