Intel Xeon E3 1280 v5 's Advantages
Released 3 years and 5 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.7GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 4620 's Advantages
Larger L3 cache size (16MB vs 8MB)