AMD Ryzen 7 5700X's Advantages
Released 2 years and 3 months late
Higher base frequency (3.4GHz vs 2.9GHz)
Lower TDP (65W vs 280W)
AMD Ryzen Threadripper 3990X's Advantages
Larger memory bandwidth (95.37GB/s vs 51.2GB/s)
Larger L3 cache size (128MB vs 32MB)