Intel Xeon E3 1220L v3 's Advantages
Lower TDP (13W vs 140W)
Intel Xeon W 2133 's Advantages
Released 3 years and 11 months late
Higher specification of memory (DDR4-2666 vs DDR3-1600)
Higher base frequency (3.6GHz vs 1.1GHz)
Larger L3 cache size (8.25MB vs 4MB)
More modern manufacturing process (14nm vs 22nm)