Will my i5 6400 bottleneck a GTX 1070

Griffin1776 · Aug 31, 2016

I have a skylake i5 6400 and i need a gpu i don't have one at the moment, i'm looking at the gtx 1070. I'm just curious how much a i5 6400 will bottlenext a 1070 if at all. from the youtube videod i have watched and the threads i have read it looks like it is a very very small bottleneck if any. i just wanted some input. eventually i will upgrade my cpu.

Ecky · Aug 31, 2016

CPUs don't bottleneck GPUs, at least how you're thinking. Your CPU determines your maximum framerates in games, while the GPU determines what graphical settings you can run. CPU and GPU loads are pretty much independent of each other.

An i5 6400 will run most any game smoothly. I don't think you need a better CPU to enjoy modern games.

CelicaGT · Aug 31, 2016

It will be fine, and it's possible with the correct game settings to make almost any CPU run at 100% utilization with a beefy enough GPU. Low resolution, low settings, no Vsync and BAM! CPU "bottleneck".

Griffin1776 · Aug 31, 2016

Okay cool i was hoping to play most things on ultra with the 1070 looks like i wont have any issue thanks for the help

CelicaGT · Aug 31, 2016

Griffin1776 :

With a modern i5 and higher, you can pretty much push any GPU you want. Clockspeed can become a limiting factor in some cases, also how CPU reliant the game is. MMO's for example tend to be more CPU driven than other titles. Also relevant is whether or not you run Vsync or limit framerate in any fashion. If you do then GPU load and therefor CPU load tends to be much lower. Running without vsync one device or the other will become the "bottleneck".

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