A new laptop buyer under confusion

[Sags1727]

I am in cofusion to buy a HP laptop having 8gb ram, 2 gb graphic card, i3 processor and DOS operating system under windows flatform OR

shall i go for LENOVO IDEAPAD 100 having 4gb ram, i5 processor, 2gb graphic card, and windows os ?????

 

[rgd1101]

exact model of the laptop?