Intel Core i9 9900T 's Advantages
Lower TDP (35W vs 65W)
AMD Ryzen 5 8500G 's Advantages
Released 4 years and 9 months late
Better graphics card performance
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (83.2GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.1GHz)
More modern manufacturing process (4nm vs 14nm)