HP ProBook 640 G1 is a Windows 7 laptop with a 14.00-inch display that has a resolution of 1366x768 pixels. It is powered by a Core i5 processor and it comes with 4GB of RAM. The HP ProBook 640 G1 ...

HP ProBook 640 is a Windows 10 laptop with a 14.00-inch display that has a resolution of 1920x1080 pixels. It is powered by a Core i5 processor and it comes with 8GB of RAM. The HP ProBook 640 packs ...