Intel Core i7 6900K 's Advantages
Lower TDP (140W vs 170W)
AMD Ryzen 9 9950X3D 's Advantages
Released 8 years and 4 months late
Integrated graphics card
Higher specification of memory (5600 vs 2133)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.3GHz vs 3.2GHz)
Larger L3 cache size (128MB vs 20MB)
More modern manufacturing process (4nm vs 14nm)