Intel Core i9 9940X 's Advantages
Higher base frequency (3.3GHz vs 3.0GHz)
Lower TDP (165W vs 250W)
AMD Ryzen Threadripper 2970WX 's Advantages
Higher specification of memory (DDR4-2933 vs DDR4-2666)
Larger memory bandwidth (87.42GB/s vs 85GB/s)
Larger L3 cache size (64MB vs 20MB)