AMD Ryzen 5 1500X 's Advantages
Higher base frequency (3.5GHz vs 3.4GHz)
Larger L3 cache size (16MB vs 8MB)
AMD Ryzen 3 8300G 's Advantages
Released 6 years and 9 months late
Integrated graphics card
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (83.2GB/s vs 39.74GB/s)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (4nm vs 14nm)