AMD Ryzen Threadripper 3990X 's Advantages
Higher base frequency (2.9GHz vs 2.5GHz)
Larger L3 cache size (128MB vs 36MB)
Intel Core Ultra 9 285 's Advantages
Released 4 years and 9 months late
Integrated graphics card
Higher specification of memory (5600 vs 3200)
Larger memory bandwidth (102.4GB/s vs 95.37GB/s)
Newer PCIe version (5 vs 4.0)
Lower TDP (125W vs 280W)