AMD Ryzen 7 Pro 4750G 's Advantages
Integrated graphics card
Higher base frequency (3.6GHz vs 3.5GHz)
Lower TDP (65W vs 280W)
AMD Ryzen Threadripper Pro 3975WX 's Advantages
Larger memory bandwidth (204.8GB/s vs 43.71GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (128MB vs 8MB)