Intel Xeon W 2123 's Advantages
Released 3 years and 11 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.6GHz vs 3.4GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (120W vs 130W)
Intel Xeon E5 2687W v2 's Advantages
Larger L3 cache size (20MB vs 8.25MB)