Intel Core i7 6900K 's Advantages
Higher base frequency (3.2GHz vs 1.7GHz)
Larger L3 cache size (20MB vs 18MB)
Intel Core Ultra 5 135HL 's Advantages
Released 7 years and 11 months late
Higher specification of memory (DDR5-5600 vs DDR4-2133)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 3.0)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (45W vs 140W)