AMD Ryzen 9 7900 's Advantages
Released 2 years and 6 months late
Integrated graphics card
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (3.7GHz vs 3.5GHz)
Lower TDP (65W vs 280W)
AMD Ryzen Threadripper Pro 3975WX 's Advantages
Larger memory bandwidth (204.8GB/s vs 83.2GB/s)
Larger L3 cache size (128MB vs 64MB)