AMD Ryzen 7 5700U's Advantages
Larger memory bandwidth (51.2GB/s vs 44.0GB/s)
Larger L3 cache size (8MB vs 4MB)
Lower TDP (10W vs 15W)
AMD Ryzen 5 7520U's Advantages
Released 1 years and 8 months late
Higher specification of memory (LPDDR5-5500 vs LPDDR4-4266)
Higher base frequency (2.8GHz vs 1.8GHz)
More modern manufacturing process (6nm vs 7nm)