The central processing unit (CPU) or processor is one of the most critical elements of your PC and has a significant impact on the speed at which programs run. It is often referred to as the “brain” of your PC because it processes all data and instructions of your computer.
Specific processors work more efficiently than others because of the number of cores that are present in your PC. Cores are typically chosen based on how you use your computer. For example, a basic PC or laptop for daily use (i.e., school, work) could run smoothly with a dual-core processor.
However, if you use your PC for gaming or more serious programs requiring higher speeds, you would want to choose a processor with more cores. The proper CPU will make your PC much faster and more efficient, and similarly, having the wrong processor for your needs can slow down your computer.
A CPU processes many instructions from multiple programs every single second and performs or executes them. The speed at which they process all of this information is referred to as processor speed, CPU speed, clock rate, or clock speed– they are used interchangeably.
Generally speaking, a higher clock speed means a faster processor (CPU) because it indicates how fast your computer runs. The speed is measured in megahertz (MHz), and gigahertz (GHz), and the specified value is the number of cycles per second in which a CPU can process instructions. A good baseline value is to make sure that your processor speed is above 1.5GHz (if you are using Windows). Anything below that may cause slower speeds.