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More RAM or more speed in APU A10-7870k

JorAlv
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I have an AMD A10-7870k paired with 2x4GB of RAM running at 2400Mhz and 2x2GB of RAM laying around collecting dust that would run at 1333Mhz. I play GTA V at min settings 1080p and it has CPU, GPU(overclocked to 1040Mhz) and RAM fully utilized at nearly 100% each. I know the GPU benefits of high frequency RAM, but not the CPU. I plan on installing a dedicated GPU at some point.

 

Will the added RAM (8→12) be more beneficial than the speed loss (2400→1333) with the integrated GPU?

(I think it won't be beneficial)

 

Will the added RAM (8→12) be more beneficial than the speed loss (2400→1333) with a dedicated GPU?

(I think it will be beneficial)

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Dedicated GPU is going to be huge, remember added ram on the dedicated GPU is going to be the same/better than more system ram. Because right now your integrated GPU is using system RAM for graphics RAM.

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Of course, I know it will change from 7GB for CPU and 1GB for GPU to 12GB for CPU and maby 4GB for GPU or whatever it has

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Also, when iGPU is working, CPU powerthrottles to 3Ghz even if you overclock it, but with dedicated GPU I can easily achieve an overclock of 4.5Ghz.

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