AMD Ryzen 9 3900XT's Advantages
Higher base frequency (3.8GHz vs 3.7GHz)
Larger L3 cache size (64MB vs 32MB)
AMD Ryzen 5 7500F's Advantages
Released 3 years late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Larger memory bandwidth (83.2GB/s vs 47.68GB/s)
Newer PCIe version (5 vs 4.0)
Lower TDP (65W vs 105W)