Intel Xeon E5 4607 's Advantages
Larger L3 cache size (15MB vs 8.25MB)
Lower TDP (95W vs 120W)
Intel Xeon W 2123 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (3.6GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 32nm)