Intel Core i9 12900 's Advantages
Larger L3 cache size (30MB vs 18MB)
Intel Core i5 12500 's Advantages
Integrated graphics card
Higher specification of memory (DDR5-4800 vs DDR5-4800)
Newer PCIe version (5.0 vs 5)
Higher base frequency (3.0GHz vs 2.4GHz)