AMD Ryzen 9 7900 's Advantages
Integrated graphics card
Lower TDP (65W vs 350W)
AMD Ryzen Threadripper 7970X 's Advantages
Released 9 months late
Larger memory bandwidth (166.4GB/s vs 83.2GB/s)
Newer PCIe version (5 vs 5.0)
Higher base frequency (4GHz vs 3.7GHz)
Larger L3 cache size (128MB vs 64MB)