Apple M2 Ultra 's Advantages
Higher specification of memory (LPDDR5-6400 vs DDR5-5200)
Larger memory bandwidth (800GB/s vs 83.2GB/s)
Lower TDP (60W vs 120W)
AMD Ryzen 9 7950X3D 's Advantages
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (4.2GHz vs 3.5GHz)