Intel Xeon E5 1620 's Advantages
Higher base frequency (3.6GHz vs 3.2GHz)
Intel Xeon W 1290 's Advantages
Released 8 years and 2 months late
Higher specification of memory (2933 vs 3)
Larger L3 cache size (20MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)