Intel Xeon W 1290 's Advantages
Released 6 years and 8 months late
Higher specification of memory (DDR4-2933 vs DDR3-1866)
Larger L3 cache size (20MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 1660 v2 's Advantages
Higher base frequency (3.7GHz vs 3.2GHz)