Intel Xeon w3 2435 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2.3GHz)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2649 v3 's Advantages
Larger L3 cache size (25MB vs 22.5MB)
Lower TDP (105W vs 165W)