Intel Xeon E5 2658 v3 's Advantages
Larger L3 cache size (30MB vs 8.25MB)
Lower TDP (105W vs 120W)
Intel Xeon W 2102 's Advantages
Released 2 years and 11 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Higher base frequency (2.9GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 22nm)