Intel Core i9 11980HK 's Advantages
Better graphics card performance
Larger memory bandwidth (51.2GB/s vs 50GB/s)
Larger L3 cache size (24MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (45W vs 125W)
Intel Core i9 11900K 's Advantages
Higher base frequency (3.5GHz vs 3.3GHz)