Intel Core i9 9900K Advantages
Integrated graphics card
Higher base frequency (3.6GHz vs 3.2GHz)
Lower TDP (95W vs 350W)
AMD Ryzen Threadripper 9980X Advantages
Released 6 years and 9 months late
Higher specification of memory (6400 vs 2666)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (256MB vs 16MB)
More modern manufacturing process (4nm vs 14nm)