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Can a CPU bottleneck a GPU?

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March 24, 2014 2:22:54 PM

I'm just curious to know. Also my friend is getting a PC with 2 xeon (4 core) not exactly sure which ones though and he says that if he pairs them up with a 650 it would fry, the GPU that is. I'm just curious... Thanks in advance!

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a b à CPUs
March 24, 2014 2:27:30 PM

no a xeon quad-core shouldn't bottleneck any Graphics cards!.
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March 24, 2014 2:31:47 PM

Yes, actually. Almost all GPU's are in one way or another bottlenecked by the CPU... though for most cards (particularly the Nvidia ones) the difference between an i7 and an old Phenom II is negligible, unless you turn the settings down to the point where the GPU isn't the limiting factor... in which case, you're wasting a lot of GPU.

Xeon processors, however, are NOT designed for gaming. They should have the memory access and wot to keep the GPU fed, but it will likely struggle with the game logic itself, meaning that many games, particularly CPU-bound physics in games, will not run at a reasonable speed.
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a b à CPUs
March 24, 2014 2:32:17 PM

CPU + GPU will never be frying each other. Damaging comes from PSU and motherboard.
Bottleneck rarely happens, unless the build consists of a $50 CPU and a $200 GPU or similar ratio.
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a b à CPUs
March 24, 2014 2:36:53 PM

yea getting a better gpu helps more.
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a c 158 à CPUs
March 24, 2014 2:39:12 PM

What is bottlenecking?

It is a concept by where one part cannot keep up with another. A slow GPU that can't keep up with a highend i7. Or a crap CPU, that can't keep up with a killer GPU.

There is no 'frying' involved. The slow part does not tell the good part "Hey dude, slow down, I can't keep up"
It just doesn't do it.

If one part is running at 100%, that is the 'bottle neck'. It is simply too slow to keep up, and drags the rest of the system down.
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a b à CPUs
March 24, 2014 2:49:06 PM

+1 for that answer.
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