It's not an Intel Atom, but a low spec low power Celeron. The J3060 has no hyperthreading and without the boost it's as slow as the Atom 330 (which has HT). So after 8 years, there is no Atom brand anymore, and the next best option is as slow as back then and costs about the same.
http://www.cpu-world.com/Compare/979/Intel_Atom_330_vs_Intel...