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 (Renewed) Lenovo Ideacenter 520 F0D500BUIN 21.5-inch All-in-One Desktop (7th Gen Core-7020U/4GB/1TB/Windows 10 Home/Integrated Graphics), Black