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This may be a dumb question. But this is definitely a quick n easy question for those who know it :)

When I choose to buy a CPU with No GPU, such as some of the Intel Xeon CPUs, what should I bear in mind?

To be specific, here are some cases:

(A) - CPU without GPU
    - NO on-board graphics
    - NO graphic cards

Will I able to display? (poor graphic though.)

 

(B) - CPU without GPU
    - on-board graphics
    - NO graphic cards

Graphic quality depends on the on-board chips, right?

 

(C) - CPU without GPU
    - NO on-board graphics
    - graphic card

Graphic quality depends on the graphic card, right? (I am quite sure to this one)
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    A: No output at all, B: Correct, C: Correct
    – Paul
    Aug 18 '14 at 7:22
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Case A: There will be no graphics output. You can still connect a keyboard and mouse, but you won't be able to display anything

Case B: You will be able to output video through your CPU, this is usually only good enough for excel/word/watching movies. Not recommended for gaming, rendering video, etc

Case C: You will be able to output video through your graphics card. What you are able to do with it depends on the card you buy.

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  • can two "graphic parts" work together to produce better graphics? E.g. (A) CPU with GPU + on-board, (B) CPU without GPU + on-board, will (A) do better than (B)? Or I can only choose either one "graphic parts"?
    – midnite
    Aug 18 '14 at 7:57
  • No, you can not output both onboard and through a graphics card. Lots of higher-end graphics cards have multiple ports (mine has 4, I've seen some that go up to 6, and you can combine multiple cards)
    – Jon
    Aug 18 '14 at 17:29

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