This is the problem with AMD's intentionally misleading marketing. The Ryzen 5 3400G is an APU with a Zen+ CPU. The CPU core that's actually good, that everybody wants, is the Zen2. The Zen+ is pretty slow. It has performance comparable to $99 Intel CPUs from last year.
No, I think the nearest thing is probably the $140 Core i3-9100. But look at Anandtech's comparison of the Zen and Zen2: at the same clock speed and core count, Zen2 stomps all over Zen. It's a much slower CPU. https://www.anandtech.com/bench/product/2333?vs=2590