Intel Xeon E5 2420 v2 's Advantages
Lower TDP (80W vs 95W)
Intel Xeon E 2388G 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 3)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (16MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)