Intel Core i3 9300T 's Advantages
Integrated graphics card
Lower TDP (35W vs 105W)
AMD Ryzen 7 3800X 's Advantages
Higher specification of memory (3200 vs 2400)
Larger memory bandwidth (47.68GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.9GHz vs 3.2GHz)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)