Intel Core i9 9900 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (16MB vs 8MB)
Intel Core i7 6785R 's Advantages
Newer PCIe version (3 vs 3.0)
Higher base frequency (3.3GHz vs 3.1GHz)