Looking for Laptop under 600$- 700$ 2016?

[hhhjaam]

I am looking for a laptop under 6 to 700$ ?

And also what is the difference between following:

HP 15-AY075NIA
HP 15-AC606TX

 

[ScottAD]

The HP 15-AY075NIA has a discrete graphics card via the R7 M440, a true HD display, and full size keyboard.

 

[hhhjaam]

The HP 15-AY075NIA has a discrete graphics card via the R7 M440, a true HD display, and full size keyboard.

So HP 15-AY075NIA is better than HP 15-AC606TX?
And why the price of HP 15-AC606TX is higher than that of HP 15-AY075NIA?