AMD Ryzen Threadripper 3990X 's Advantages
Larger memory bandwidth (95.37GB/s vs 76.8GB/s)
Higher base frequency (2.9GHz vs 2.5GHz)
Larger L3 cache size (128MB vs 18MB)
More modern manufacturing process (7nm vs 10nm)
Intel Core i5 12400F 's Advantages
Released 2 years late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5.0 vs 4.0)
Lower TDP (65W vs 280W)