Video Editing Computer CPU:
What Is a CPU and Why Is It so Important for Video Editing?


Video editing computer CPU

Do you want to upgrade or buy to a more powerful video editing computer CPU (Central Processing Unit)…?

Let's take a look at your computer's CPU and get a better understanding of what it is and what it does...!


The process of video editing is a very CPU intensive one! Billions of calculations go into modifying even the most basic of video clips. When looking to buy a new video editing computer or upgrade the CPU in your existing one... it's a good idea to know all you can about the "brain" of your computer... the CPU!

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Some Facts about Computer CPUs…

A CPU, or Central Processing Unit, is effectively the "brains" of the video editing computer or the digital device it occupies.

Desktop video editing computer
HDTV
Blu Ray DVD player
Digital smart phone

The most familiar CPUs are found inside desktop and laptop PCs, yet a great variety of types of CPUs are used to drive all kinds of embedded electronic systems also.

Hard drives, network switches, and digital mobile phones are just a few examples of embedded electronic systems that utilize a CPU.

Computer Central Processing Unit

The CPU's role is to manage the entire functionality of the electronic device it occupies.

Even in computer chips specifically designed for a particular function the CPU embedded in it is a vital component.

A CPU is typically the fastest running and most advanced electronic component in any digital device...

So the more functions that device needs to perform, the more CPU processing power is required.

An Important Consideration… The Front-Side Bus (FSB) Speed Of Your Computer…

The FSB or Front-Side Bus on the computer motherboard is the main path or "highway" for data transfer inside of a computer...

Computer front side bus

It connects all of the major components, such as the...

A faster front-side bus can increase performance and responsiveness by transferring data to components within the computer faster.

The faster the FSB speed... the faster the I/O (Input/Output) data and commands are delivered to their destinations throughout the computer.

When buying or upgrading your editing computer be sure to check the specs and make very sure that your motherboard's front-side bus can keep up with your CPU... If not any additional CPU speed is wasted!

A Little Bit About the Video Editing Computer CPU Memory Cache…

Computer CPU cache

The CPU cache is a smaller faster memory which stores copies of the data from the most frequently used main memory locations.

CPU cache design is very important in the highly competitive microprocessor market as it is directly responsible for improved CPU and system performance.

The job of the CPU cache is to anticipate data requests when the user opens a frequently used program. 

For example... When opening a video editing software program the instructions required to run that program are put at the ready by storing them in the CPU cache and making them ready for use when a command is entered.

When you enter a command the video editing computer CPU can now process the request without the delay of going through additional circuitry, which will drastically improve your editing computer's performance.

When looking for a video editing computer CPU make sure to look carefully at the specs on this as the CPU cache plays a very important part in how fast a CPU will respond to instructions.

What about Multi-Core CPUs...?

AMD dual core processor

A multi-core processor (CPU) is an integrated circuit (IC) to which two or more processor cores have been attached for...

  • Enhanced performance
  • Reduced power consumption, and...
  • More efficient simultaneous processing of multiple tasks.

A dual core processor is nearly twice as powerful as a single core processor.

Intel Quad core computer CPU

With the Intel Pentium and AMD Athlon multi-core processors the core count became a new way of establishing processor performance.

Multi-core processors have the advantage in multi-threading applications (where multiple programs are running simultaneously, and/or applications are specifically optimized for multi-threading).

Does Your  Video Editing Computer's CPU Speed Really Matter When You Are Video Editing…?

In short... a lot...!  Here's an example...

  • Turning a 178 MB WAV file into an MP3 by using a Pentium 4 1500 MHz (1.5 GHz) CPU would take about 243 seconds.
  • That same file encoded using a Pentium 4 at 2200 MHz (2.2 GHz) would take about 165 seconds... A speed savings of 47 percent!
  • That might not mean much for a single audio file but apply that speed gain to a 60-minute project...and you could save hours!

Unfortunately, there's no absolutely accurate way to predict how much a faster CPU will improve your video rendering speed...There are many factors that  influence this... Front-side bus speed, the speed of your RAM, the speed of your hard drive, etc.

But... it's safe to say that a faster CPU will always help to speed up your project.

Video Editing Computer CPU Tip

The Rule for a Video Editing Computer CPU is…

The more powerful the better because...Faster and more efficient computers render large files, fancy effects and titles faster and with less errors.

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So...When you're looking to buy or upgrade your CPU... make sure that you take a look at the specs of the video editing software program that you are going to use to see what they recommend as far as CPU power... then… make sure you’re buying more than enough CPU power to make your video editing software run easily on your computer.


The video editing computer CPU is the key to having enough computing power to run your video editing software easily…!

So… Just make sure that you choose the right one when you're buying your video editing computer…!


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Have fun...!  Dan


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