Intel Core i9 9960X 's Advantages
Larger memory bandwidth (85GB/s vs 83.2GB/s)
Higher base frequency (3.1GHz vs 2.6GHz)
Larger L3 cache size (22MB vs 18MB)
Intel Core 5 120HL 's Advantages
Released 5 years and 6 months late
Higher specification of memory (5200 vs 2666)
Newer PCIe version (4 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (45W vs 165W)