Intel Core i9 11900 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Intel Core i7 12700 's Advantages
Released 10 months late
Better graphics card performance
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (25MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)