Intel Xeon E5503 's Advantages
Lower TDP (80W vs 350W)
AMD Threadripper PRO 7975WX 's Advantages
Released 13 years and 7 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (4GHz vs 2GHz)
Larger L3 cache size (128MB vs 4MB)
More modern manufacturing process (5nm vs 45nm)