Intel Xeon E3 1280 v5 's Advantages
Released 4 years and 6 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.7GHz vs 2.2GHz)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 80W)