AMD Ryzen Threadripper PRO 5965WX 's Advantages
Higher base frequency (3.8GHz vs 3.3GHz)
Larger L3 cache size (128MB vs 18MB)
Xeon E 2456 's Advantages
Released 1 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Lower TDP (80W vs 280W)