Intel Xeon w3 2423 's Advantages
Released 11 years and 3 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Opteron 6276 's Advantages
Higher base frequency (2.3GHz vs 2.1GHz)
Lower TDP (115W vs 120W)