Intel Core i5 8279U 's Advantages
Better graphics card performance
Lower TDP (28W vs 45W)
Intel Core i9 10980HK 's Advantages
Released 11 months late
Higher specification of memory (2933 vs 2400)
Larger memory bandwidth (45.8GB/s vs 37.5GB/s)
Larger L3 cache size (16MB vs 6MB)