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Is a GPU required? What does a GPU do compared to a CPU?

I'm build a new PC and i wanted to know what is the point of a GPU, is it required?
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  1. A Gpu is not needed for daily use on a computer.
    A Gpu is only required if you plan on doing intensive gaming, photoshop or programs that render 3d objects
  2. However, if you do not get a discrete GPU, then you need to make sure that either your CPU has integrated graphics and is supported by the motherboard you choose OR make sure the motherboard itself has onboard graphics chipset.
  3. Best answer
    The CPU does all of the programming and application processing. The GPU does all of the graphical processing. Some motherboards/CPUs include integrated graphics which is generally fine for 2D graphic processing. Higher taskings such as 3D graphical processing is usually handled by better graphic solutions.

    In short, if your motherboard/cpu include integrated graphics and you do not need much more graphic power than just reading web pages, office programs, youtube videos, etc... then you do not need a discrete graphics card. If your motherboard/CPU do not include integrated graphics, then you are required to have a GPU installed.

    -Wolf sends
  4. A GPU generates video output to a display. Most of the modern CPUs have an integrated GPU. But there are some that don't and if you are using such a CPU you will need a discreet GPU.
  5. so GPU is a dedicated graphics processing hardware. meaning that if you wanted to play games like battlefield, crysis, assasins creed at good resolution (1080p) and pretty graphics a GPU is very important. if you are only using you pc to do word document and online video streaming (youtube, netflix) online browsing, (not gaming, or video/picture editing) its not required to have a GPU. hardware that has been release in the last 2 years GPU unit embedded inside CPU.
    hope that helped
  6. A GPU is a Graphics Processing Unit (Graphic card), meaning it renders Graphics, it can be used for gaming, for videos, and pictures ('cause they have graphics) and they make the gaming experience smoother and faster and give the option to play games at a higher resolution than you could without one. A CPU is needed to even run the PC, a GPU not as said before.
  7. A GPU handles the graphics, many modern CPUs have a small GPU built in(called an IGP) which will give you basic graphics performance, enough for basic usage and movies, but won't perform well if you want to do a graphics intensive task like gaming.
  8. Wolfshadw said:
    The CPU does all of the programming and application processing. The GPU does all of the graphical processing. Some motherboards/CPUs include integrated graphics which is generally fine for 2D graphic processing. Higher taskings such as 3D graphical processing is usually handled by better graphic solutions.

    In short, if your motherboard/cpu include integrated graphics and you do not need much more graphic power than just reading web pages, office programs, youtube videos, etc... then you do not need a discrete graphics card. If your motherboard/CPU do not include integrated graphics, then you are required to have a GPU installed.

    -Wolf sends


    So if I wanted to play BF4, i would need a GPU, Correct? I am making a gaming pc, probably should have added that d:
  9. Yes, if you are making a gaming PC and want to play at more than 1024x768 you will want a GPU.
  10. Correct. Choosing a GPU should have the highest priority especially when building a gaming PC.
  11. dddez said:
    Correct. Choosing a GPU should have the highest priority especially when building a gaming PC.


    Yes. And a good, reliable PSU (Power Supply) isn't bad too.
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