Intel Xeon W 2133 's Advantages
Released 6 years and 4 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.6GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Xeon E7 4820 's Advantages
Larger L3 cache size (18MB vs 8.25MB)
Lower TDP (105W vs 140W)