AMD Ryzen 9 7900X3D's Advantages
Released 4 years and 3 months late
Integrated graphics card
Higher specification of memory (DDR5-5200 vs DDR4-2933)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.4GHz vs 3.5GHz)
Larger L3 cache size (128MB vs 32MB)
Lower TDP (120W vs 180W)
AMD Ryzen Threadripper 2920X's Advantages
Larger memory bandwidth (87.62GB/s vs 83.2GB/s)