ai bik chỉ cho mình khác nhau giữa 2 dòng này. cho mình hỏi thêm sao giá mấy dòng này bên laptopno1 bán giá cao hơn ở cho khác vậy
http://laptopno1.com/chi-tiet-san-pham/2184/lenovo-thinkpad-t440p-20awa16lvn-i7-4710mq-4gb-500gb-7k2-intel-hd-graphics-win-7-pro-64.htm
http://laptopno1.com/chi-tiet-san-pham/2191/lenovo-thinkpad-t440s-20ara0gyva-i7-4600u-8gb-500gb-7k2-14”-hd.htm
http://laptopno1.com/chi-tiet-san-pham/2184/lenovo-thinkpad-t440p-20awa16lvn-i7-4710mq-4gb-500gb-7k2-intel-hd-graphics-win-7-pro-64.htm
http://laptopno1.com/chi-tiet-san-pham/2191/lenovo-thinkpad-t440s-20ara0gyva-i7-4600u-8gb-500gb-7k2-14”-hd.htm