Intel Core i7 7820X Advantages
Larger memory bandwidth (79.47GB/s vs 43.71GB/s)
Higher base frequency (3.6GHz vs 3.2GHz)
AMD Ryzen 7 2700 Advantages
Released 11 months late
Higher specification of memory (DDR4-2933 vs DDR4-2666)
Larger L3 cache size (16MB vs 11MB)
Lower TDP (65W vs 140W)