Intel Core i9 13900K 's Advantages
Higher specification of memory (DDR5-5600 vs DDR5-5200)
Larger memory bandwidth (89.6GB/s vs 83.2GB/s)
AMD Ryzen 9 7900X3D 's Advantages
Better graphics card performance
Higher base frequency (4.4GHz vs 3.0GHz)
Larger L3 cache size (128MB vs 36MB)
Lower TDP (120W vs 125W)