Xeon E 2274G 's Advantages
Released 7 years and 2 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (4GHz vs 3.6GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (83W vs 130W)
Intel Xeon E5 1620 's Advantages
Larger L3 cache size (10MB vs 8MB)