Acer Aspire One 722 is a 'Netbook - not a notebook - with a weak CPU and graphics.
Not a good choice for games. Also a poor choice for multi-tasking workloads.
Acer Aspire 4755G-52454G50Mn is a standard notebook with decent CPU and graphics card.
Core i3-2350M CPU and Geforce GT 630M graphics card.