AMD Ryzen 7 5700G 's Advantages
Released 9 months late
Integrated graphics card
Larger memory bandwidth (51.2GB/s vs 47.68GB/s)
Lower TDP (65W vs 105W)
AMD Ryzen 9 3900XT 's Advantages
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (64MB vs 16MB)