Intel Core i7 8700K's Advantages
Integrated graphics card
Higher base frequency (3.7GHz vs 3.5GHz)
Lower TDP (95W vs 180W)
AMD Ryzen Threadripper 2950X's Advantages
Released 10 months late
Higher specification of memory (DDR4-2933 vs DDR4-2666)
Larger memory bandwidth (87.42GB/s vs 41.6GB/s)
Larger L3 cache size (32MB vs 12MB)