AMD Ryzen 7 8700F 's Advantages
Released 4 years and 9 months late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Larger memory bandwidth (83.2GB/s vs 47.68GB/s)
Higher base frequency (4.1GHz vs 3.8GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (65W vs 105W)
AMD Ryzen 9 3900X 's Advantages
Newer PCIe version (4.0 vs 4)
Larger L3 cache size (64MB vs 16MB)