Intel Xeon E3 1260L 's Advantages
Lower TDP (45W vs 80W)
Intel Xeon E3 1220 v5 's Advantages
Released 4 years and 6 months late
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)