Lenovo B340 All in One Desktop (Intel Pentium Dual Core G645 2.8GHz- 2GB DDR3 RAM- 500GB HDD- 500GB- Win8 64Bit- Integrated Graphics) 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