Intel Xeon E3 1545M v5 's Advantages
Released 2 years and 7 months late
Higher specification of memory (2133 vs 4)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 82W)
Intel Xeon E3 1280 v3 's Advantages
Higher base frequency (3.6GHz vs 2.9GHz)