Intel Core i7 12700 's Advantages
Released 6 years and 4 months late
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7 6700 's Advantages
Higher base frequency (3.4GHz vs 2.1GHz)