GPU CPU Bottlenecking

Kerpshocker · Mar 2, 2014

Hi, this is my first time building a computer and I would rather not buy something that won't work well/at all together.

I am buying a "Intel Core i5-4670K Haswell 3.4GHz LGA 1150 84W Quad-Core" CPU and I was leaning towards a "AMD Radeon HD 7870" GPU but I am not sure how to check if the CPU would bottleneck that GPU or the other way around? Also, if you could tell me an easy way to check this out from specs rather than buying it and checking out the usages of both?

If that GPU if not a good option for that CPU, which should I go with?

One last question, I am new to the game so what type of motherboard would I be more inclined to go with if those two are compatible?

Thanks!

ewok93 · Mar 2, 2014

Just check out benchmarks. If you get 20 fps on max from your CPU, but 40 from the GPU, you're only going to get 20, which means that the GPU's power will go to waste, that's a bottleneck. That setup would not have a bottleneck, though. A Z87 board would be best.

StormyIV · Mar 2, 2014

No your CPU will not bottleneck a radeon 7870. The i5 4670k could easily run 2 gtx 780 ti's in SLI. As for the motherboard, do you plan on over clocking?

Kerpshocker · Mar 2, 2014

StormyIV :

I don't plan on overclocking just because I don't really feel like I need to do so. But thanks and I will def look into the 780 ti's I heard those are a little pricey though!

Thanks for the quick reply!

Kerpshocker · Mar 2, 2014

ewok93 :

Thanks, appreciate it!

StormyIV · Mar 2, 2014

yea a 780 TI is at least 700$. If you don't plan on over clocking then why not save a few bucks and get the i5 4670? the K version of intels chips are meant to be overclocked. What is your budget for a motherboard?

http://www.amazon.com/Intel-i5-4670-Quad-Core-Processor-BX80646I54670/dp/B00CO8TBR4/ref=sr_1_1?ie=UTF8&qid=1393772791&sr=8-1&keywords=i5+4670

Kerpshocker · Mar 2, 2014

StormyIV :

Well I never said I wouldn't do it I just don't need it as of right now. I want to learn more about these things before I experiment and also, I want a pretty good machine

Also, motherboard budget, > $270. I am sure I can get something powerful enough for less than 300$

ewok93 · Mar 2, 2014

Haha, you can get a good motherboard for $150. http://www.newegg.com/Product/Product.aspx?Item=N82E16813128671 This one will work very well for you (and it's green, that's awesome). Use the money you'll save from that and get a 280x or something.

StormyIV · Mar 2, 2014

If you plan on Over clocking the future then get the 4670k. Are you planning on a water cooled cpu or air?
http://www.amazon.com/Gigabyte-GA-Z87X-OC-Desktop-Motherboard/dp/B00CU4L6DE/ref=sr_1_6?ie=UTF8&qid=1393773803&sr=8-6&keywords=gigabyte+z87+motherboard

ewok93 · Mar 2, 2014

That is a nice motherboard, but for $167, you can still get a Z87. The GA-Z87X-OC is really just for SLI, and won't have much performance difference if any than a $50 cheaper Z87 board. I would use that money to get a good cooler, SSD, or better graphics card.

Kerpshocker · Mar 2, 2014

ewok93 :

Thanks guys

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