The dell system is $849.99, if I'm not mistaken. That kind of throws your pricing comparison off.
http://www.dell.com/en-us/shop/dell-desktop-computers/new-inspiron-gaming-desktop/spd/inspiron-5675-gaming-desktop/ddcwrdsk931s?selectionState=eyJGUHJpY2UiOjg0OS45OSwiT0MiOiJkZGN3cmRzazkzMXMiLCJRdHkiOjEsIk1vZHMiOlt7IklkIjoxNDYsIk9wdHMiOlt7IklkIjoiUjVENUhOOCIsIlByaWNlIjoxNTAuMH1dfSx7IklkIjoxMTYsIk9wdHMiOlt7IklkIjoiNDZBUEY2NSIsIlByaWNlIjozMC4wfV19LHsiSWQiOjc0OSwiT3B0cyI6W3siSWQiOiJBUjUifV19LHsiSWQiOjU3MiwiT3B0cyI6W3siSWQiOiJGRzAwMTkifV19XX0%3D
EDIT: Also it has bluetooth, which you forgot. And also the wi-fi + bluetooth is built into the motherboard, you should price that in too.
