AMD Ryzen 5 7520C 's Advantages
Released 3 years and 2 months late
More modern manufacturing process (6nm vs 7nm)
Lower TDP (15W vs 35W)
AMD Ryzen 9 4900HS 's Advantages
Integrated graphics card
Higher specification of memory (4266 vs 5)
Newer PCIe version (3.0 vs 3)
Higher base frequency (3.0GHz vs 2.8GHz)
Larger L3 cache size (8MB vs 4MB)