Intel Xeon w3 2423 's Advantages
Released 12 years and 11 months late
Higher specification of memory (DDR5-4400 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (120W vs 130W)
Intel Xeon W3680 's Advantages
Higher base frequency (3.333GHz vs 2.1GHz)