AMD Ryzen Threadripper 1900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 43.71GB/s)
Higher base frequency (3.8GHz vs 3.7GHz)
Larger L3 cache size (32MB vs 4MB)
AMD Ryzen 5 3400G 's Advantages
Released 1 years and 11 months late
Integrated graphics card
Higher specification of memory (DDR4-2933 vs DDR4-2666)
More modern manufacturing process (12nm vs 14nm)
Lower TDP (45W vs 180W)