Intel Xeon W 2135 's Advantages
Released 6 years and 4 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.7GHz vs 1.866GHz)
More modern manufacturing process (14nm vs 32nm)
Xeon E7 4807 's Advantages
Larger L3 cache size (18MB vs 8.25MB)
Lower TDP (95W vs 140W)