AMD Ryzen Threadripper Pro 3955WX's Advantages
Larger memory bandwidth (204.8GB/s vs 51.2GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (64MB vs 8MB)
AMD Ryzen 3 5300G's Advantages
Released 9 months late
Integrated graphics card
Higher base frequency (4.0GHz vs 3.9GHz)
Lower TDP (45W vs 280W)