Intel Core i7 7700K's Advantages
Integrated graphics card
Higher base frequency (4.2GHz vs 3.4GHz)
Lower TDP (91W vs 105W)
AMD Ryzen 7 5800X3D's Advantages
Released 5 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR4-2400)
Larger memory bandwidth (47.68GB/s vs 35.76GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (96MB vs 8MB)