Intel Xeon w3 2423 's Advantages
Released 11 years and 10 months late
Higher specification of memory (4400 vs 1333)
Higher base frequency (2.1GHz vs 2GHz)
More modern manufacturing process (10nm vs 32nm)
Xeon E7 2820 's Advantages
Larger L3 cache size (18MB vs 15MB)
Lower TDP (105W vs 120W)