Will an overclocked FX 8320 bottleneck a 980ti at ultra modded 2560x1080 21:9 gaming?

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kazattaka

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Jan 24, 2017
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I am going to get an FX 8320, 980ti system from a friend for a small cost (mates rates). I plan to overclock the 8320 past 4.2ghz with a hyper 212 evo or as much as i need to to be on par with the 980ti.

My question is, will this CPU be enough to prevent a large bottleneck with the 980ti at 2560x1080 60hz? Most games I play will be at ultra (GTAV, Battlefield 1, Witcher 3, CSGO) with heavy graphics and texture mods (E.G: skyrim modded + ENB for example) wanting 60fps, so will this reduce the CPU bottleneck if there is one at this resolution?

I do plan to upgrade to Intel Skylake i5 when i have saved enough money, but this offer seems to good to pass up as it has decent storage and a future proof PSU (evga 750w). Please do not suggest Intel as an alternative because the FX 8320 will only be temporary and that I am a keen overclocker, and I will be upgrading my monitor to a higher resolution later on.
 
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synphul
You'll likely want something more than a 212 evo for any heavy overclocking, it's still an 8 core cpu and the 212 evo is a more budget oriented cooler. You might be able to overclock a bit but just don't expect high oc's. It also depends which motherboard it's paired with, not all boards are great overclockers and if it's lacking heatsinks on the vrm it may not handle any overclocking well. For the time being it's better than nothing, you'll still likely get some fps drops in cpu intensive games.

The 980ti should do fairly well though it's going to have to push a few more pixels given the extra resolution vs a standard 1920x1080p. It's a lot better gpu than I'm using but depending how much eye candy you've got going with enb it may...
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haveyoutriedturningitoffandonagain

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Feb 28, 2012
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Ive just recently installed a gtx 1070 and overclocked my 8320 to 4.0ghz and i still seem to get bottlenecks on some games like modded skyrim special edition, gta v and forza horizon 3 and i only play at 1080p so going by that i would assume you will get some bottlenecks at your desired resolution, however if you are getting it for a good deal and are thinking of upgrading to an intel at some point anyway i would say go for it! the oc'd 8320 will definitely keep you going for a while even if it is a little below 60fps sometimes
 
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synphul

synphul

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Mar 11, 2011
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You'll likely want something more than a 212 evo for any heavy overclocking, it's still an 8 core cpu and the 212 evo is a more budget oriented cooler. You might be able to overclock a bit but just don't expect high oc's. It also depends which motherboard it's paired with, not all boards are great overclockers and if it's lacking heatsinks on the vrm it may not handle any overclocking well. For the time being it's better than nothing, you'll still likely get some fps drops in cpu intensive games.

The 980ti should do fairly well though it's going to have to push a few more pixels given the extra resolution vs a standard 1920x1080p. It's a lot better gpu than I'm using but depending how much eye candy you've got going with enb it may still push that gpu fairly hard. You might have to tinker with the settings some with enb at that resolution.

For instance vanilla skyrim 60fps is no problem with my hd 7850 (yes a lot weaker than the 980ti) at 1080p. With a handful of texture upgrades, improved water mods etc applying an enb mod tanked my fps. Even with just a few (not all) the settings active it cut my fps in half, with a few more intensive settings it crawled to 15-20fps. Turning on all the bling may drag your fps down below 60fps.

You may find you can reduce the cpu bottleneck some if the gpu is tasked heavily but's it won't necessarily make the game run faster. An example, if the cpu is only capable of running 50fps it may be possible to turn up the eye candy until the gpu is also at 100% at 50fps. Or if it were possible to do so, push the gpu hard enough it can only handle 45fps. In that case the cpu wouldn't be the bottleneck. What it won't do is allow the cpu to magically create 60fps if it can't do so on its own just because the resolution is higher. You can't shift the cpu load to the gpu, all you can do is balance the two out (or try to as close as possible).

 
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kazattaka

Commendable
Jan 24, 2017
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1,510


Seems as though we'll have very similar systems. I want to ask you about your performance on games with your system.
Are you overclocked with your FX 8320? When you say you experience bottle necking on your rig is that with or without overclocking?

You said you bottleneck on GTAV. How big of a bottleneck is it and what FPS do you get in CPU intensive areas? Does overclocking help the bottleneck?
You also said you bottle neck in skyrim with mods, what is your FPS? Do you add graphics mods without a significant drop in frame-rate?
I am also worried on how this system will run less demanding competitive games like CS-GO. Have you tried it? if so, what FPS do you get? I have seen videos where the FX 8320 paired with 1060's and 970's keep the frame-rate at around 150fps when systems with lesser Intel processors get around 300fps? Would overclocking the FX 8320 raise the frame rate or does the extra power of a 980ti or 1070 deliver higher frame rates than FX 8320 paired with 970's and 1060's?

I am hoping that this rig will maintain over 60fps in most games at this higher resolution and even more impressive frame rates with competitive games but i am confused on how large the bottleneck of this CPU is with a graphics card of this tier.

 
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