Dell Vostro 3470-2018 SFF Desktop Without Monitor (Core i3 8th Gen, 8 GB DDR4, 1 TB, Windows 10 Home, MS Office and Student 2016) vs Lenovo Ideacentre AIO 520 F0D500L7IN 21.5-inch All-in-One Desktop (7th Gen Core I3-7020U/4GB/1TB HDD/DOS/Integrated Graphics), Black