AMD Ryzen Threadripper 2990WX's Advantages
Larger memory bandwidth (87.42GB/s vs 76.8GB/s)
Higher base frequency (3.0GHz vs 2.5GHz)
Larger L3 cache size (64MB vs 20MB)
Intel Core i5 14400's Advantages
Released 5 years and 5 months late
Integrated graphics card
Higher specification of memory (DDR5-4800 vs DDR4-2933)
Newer PCIe version (5.0 vs 3.0)
Lower TDP (65W vs 250W)