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Posts: 1
Registered: ‎06-06-2020

Will undervolting my 2080Ti help with my CPU bottleneck? i7-5820K?

I have an i7-5820k and was wondering if lowering the power limit of my 2080ti will help smooth some of the frames or at least decrease the CPU bottleneck I have?

Currently, the CPU is overclocked to 4.5Ghz @ 1.28v running about 77c under load. I've tried disabling hyperthreading, lowering voltages of both CPU and GPU, changing resolution/game fidelity settings, adjusting monitor refresh rates, enabling GSync/vsync options etc.

Can't seem to get stable frames no matter what I do. In every title I play (Fortnite, PUBG, Gears4, even single player titles like Borderlands 1 and 2), frames drop every few seconds to a noticable degree, it's like screen tearing in a sense of both movement/visuals. Any help of the matter would gladly be appreciated or by pointing me in right direction via some already posted articles or tutorials.

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Registered: ‎07-23-2018

Re: Will undervolting my 2080Ti help with my CPU bottleneck? i7-5820K?

Hi there, EdgarIsmael! 

 

Thanks for taking the time to connect with us. I know how annoying frame-rate changes can be, and I'm sorry to hear you're dealing with this! 

 

The i7-5820K is still a great chip, and for gaming there's very few CPUs that are undoubtedly better. 

 

Are you absolutely confident there isn't a different bottleneck in your system causing these issues? After CPU and GPU, the next most common bottleneck would be found in your RAM, then temperatures. 

 

Was this a recent upgrade? If so, were you getting stable frames prior? It's surprising to hear you are unable to get stable frames, even on lower settings.

Austin|Social Media Specialist | Best Buy® Corporate
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Emerging Expert
Posts: 7,220
Registered: ‎02-25-2013

Re: Will undervolting my 2080Ti help with my CPU bottleneck? i7-5820K?

Try resetting everything to default settings. i.e. no overclocking. And see what your results are. Then make changes and see the result.
I am not an employee of Best Buy and all opinions left on this forum are my own. Please leave Kudo’s if you like a post or click Accept as Solution if a post answers your query.
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Valued Contributor
Posts: 1,603
Registered: ‎02-07-2011

Re: Will undervolting my 2080Ti help with my CPU bottleneck? i7-5820K?

I agree, set everything to default settings. Run a ram test thru dos, and a ssd test or hdd test. Check the motherboard for leaking capacitors also.