Intel Core i9 9980HK 's Advantages
Integrated graphics card
Higher base frequency (2.4GHz vs 1.3GHz)
Larger L3 cache size (16MB vs 12MB)
Intel Core 5 120UL 's Advantages
Released 5 years late
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (83.2GB/s vs 41.8GB/s)
Newer PCIe version (4 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 45W)