AMD Ryzen 7 9800X3D 's Advantages
Released 5 years and 3 months late
Higher specification of memory (5600 vs 2933)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.7GHz vs 3.7GHz)
Larger L3 cache size (96MB vs 4MB)
More modern manufacturing process (4nm vs 12nm)
AMD Ryzen 5 3400G 's Advantages
Better graphics card performance
Lower TDP (65W vs 120W)