AMD Ryzen Threadripper 2990WX 's Advantages
Larger memory bandwidth (87.42GB/s vs 43.71GB/s)
Larger L3 cache size (64MB vs 4MB)
AMD Ryzen 5 3400G 's Advantages
Released 11 months late
Integrated graphics card
Higher base frequency (3.7GHz vs 3.0GHz)
Lower TDP (45W vs 250W)