Ram memory and processor both affect the speed of your laptop ''. The more numbers a given has the faster speed. For example 4gb ram runs faster than 2gb. The processor speed is measured in gigahertz, and a 2 GHz machine runs faster than a 1 GHz. Graphics Processor
The graphics processor is the chip that handles all the visuals for your laptop. It's what makes the monitor display images and what processes the video. The higher the number, the better the graphics.
Screen Size
The screen size is the diagonal distance across the screen. The screen size is important because the greater the diagonal distance, the more pixels are available for displaying the graphics.
Screen Resolution
The screen resolution is the number of pixels on the screen. A higher number is better.