AMD Ryzen 3 5300G 's Advantages
Higher base frequency (4.0GHz vs 3.5GHz)
More modern manufacturing process (7nm vs 10nm)
Intel Core i3 12300 's Advantages
Released 9 months late
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
Lower TDP (60W vs 65W)