Intel Core i9 12900F 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR5-4800 vs DDR4-2933)
Larger memory bandwidth (76.8GB/s vs 43.71GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 4MB)
AMD Ryzen 5 3400G 's Advantages
Integrated graphics card
Higher base frequency (3.7GHz vs 2.4GHz)
Lower TDP (45W vs 65W)