Intel Xeon E3 1505M v5 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz 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 45W)