AMD Ryzen 3 2300U 's Advantages
Lower TDP (15W vs 35W)
AMD Ryzen 9 5980HX 's Advantages
Released 3 years late
Higher specification of memory (LPDDR4-4266 vs DDR4-2400)
Larger memory bandwidth (51.2GB/s vs 35.76GB/s)
Higher base frequency (3.3GHz vs 2.0GHz)
Larger L3 cache size (16MB vs 4MB)