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LUGGY Jan 17, 2015 @ 11:13am
CPU - GPU Bottleneck affecting overheating?
I recently replaced my slightly outdated Radeon HD 7850 2GB Card with a slightly newer R9 280X 3GB. I still use my original CPU (AMD FX 4-Core 4100 at 3.6GHZ). I am aware of the Bottlenecking this is causing, and plan to replace my CPU when Win 10 is released. However, I want to know if a Bottleneck can cause overheating. When in-game, regardless of game or hardware specifications, I get FPS drops to around a third of my usual FPS in said game, however when I open my window, the FPS drops cease. While I could easily tolerate for this by simply keeping my window open, I live in South Wales, which gets particularly cold this time of year, so when playing games such as CSGO, I am shivering while holding my mouse, which affects performance. If this is being caused by the Bottleneck, is there a way I can stop it, or at least lessen it's effects? (Don't say upgrade hardware or install new fans, I'm not an idiot, if I could, I would've by now).
Last edited by LUGGY; Jan 17, 2015 @ 11:13am
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Showing 1-15 of 15 comments
rotNdude Jan 17, 2015 @ 11:17am 
No, a bottleneck will not cause overheating.
#1
LUGGY Jan 17, 2015 @ 11:18am 
Originally posted by rotNdude:
No, a bottleneck will not cause overheating.

Ok, so what's causing it? I haven't switched my PC's position, the only change I have made is the Graphic's Card, which is causing the Bottleneck. Do you have any theories?
#2
rotNdude Jan 17, 2015 @ 11:21am 
You probably don't have enough cooling fans in your computer case.
#3
LUGGY Jan 17, 2015 @ 11:22am 
Originally posted by rotNdude:
You probably don't have enough cooling fans in your computer case.

Perhaps. Now that I think about that, it seems logical. I'll need to get another fan then.
#4
videogames Jan 17, 2015 @ 11:32am 
What model 280x? What are the actual GPU and CPU temps you get when gaming?
#5
LUGGY Jan 17, 2015 @ 11:44am 
Originally posted by videogames:
What model 280x? What are the actual GPU and CPU temps you get when gaming?

I haven't checked the temperatures. And it's the Sapphire 3GB 280x
#6
Rumpelcrutchskin Jan 17, 2015 @ 11:50am 
R9 280X is lot more powerful card then HD 7850 and generates more heat. If you have only one fan in your case for instance it's really not enough.
If you have free case fan slots in your case then add some fans.
Front and sidepanel slots as intake, back and top slots as exhaust.
Or if you have some cheap case with only one exhaust fan on back and no options to add extra fans then it would be best to get new case with better ventilation options.
#7
LUGGY Jan 17, 2015 @ 11:58am 
My case is the i9 (Look it up). I has a few fans, I'm not sure if enough.
#8
Rumpelcrutchskin Jan 17, 2015 @ 12:11pm 
Originally posted by BOT Luggy:
My case is the i9 (Look it up). I has a few fans, I'm not sure if enough.

If you mean this case:
http://www.amazon.co.uk/X-Case-i9-Gamer-Pc-Case/dp/B00H6JSIA2

then this should not have much problems with ventilation.
You could try to set your graphics card fan speed to manual in Catalyst Control Centre and raise it to around 75-80%. Check that your GPU temperature wont hit higher then 90C under heavy load. Around 80C is prefered.
#9
Rumpelcrutchskin Jan 17, 2015 @ 12:18pm 
And to check your graphics card temperature better and tune your card performance and fan use google MSI Afterburner.
#10
LUGGY Jan 17, 2015 @ 12:21pm 
Originally posted by Rumpelcrutchskin:
Originally posted by BOT Luggy:
My case is the i9 (Look it up). I has a few fans, I'm not sure if enough.

If you mean this case:
http://www.amazon.co.uk/X-Case-i9-Gamer-Pc-Case/dp/B00H6JSIA2

then this should not have much problems with ventilation.
You could try to set your graphics card fan speed to manual in Catalyst Control Centre and raise it to around 75-80%. Check that your GPU temperature wont hit higher then 90C under heavy load. Around 80C is prefered.

Yeah, that's my case. Ok, I'll check the temperatures.
#11
Wrong Way Up Jan 17, 2015 @ 12:27pm 
idle temps and underlaod if you can
full specs be nice
also how are you noticing "bottlenecks" drop fps or what ?

also bare in mine bottlenecks of the cpu is which im assuimg your getting as gpus can take alot of strain, if you cpu and gpu temps are alright it maybe your vrm on your mobo
Last edited by Wrong Way Up; Jan 17, 2015 @ 12:33pm
#12
SharpObject1 Jan 17, 2015 @ 9:26pm 
Just curious, what type of power supply do you have?
#13
LUGGY Jan 18, 2015 @ 4:31am 
Corsair CX600M
#14
LUGGY Jan 18, 2015 @ 4:41am 
Originally posted by Rumpelcrutchskin:
Originally posted by BOT Luggy:
My case is the i9 (Look it up). I has a few fans, I'm not sure if enough.

If you mean this case:
http://www.amazon.co.uk/X-Case-i9-Gamer-Pc-Case/dp/B00H6JSIA2

then this should not have much problems with ventilation.
You could try to set your graphics card fan speed to manual in Catalyst Control Centre and raise it to around 75-80%. Check that your GPU temperature wont hit higher then 90C under heavy load. Around 80C is prefered.

Ok, I raised the fan speed, only issue now is that the fans are loud as ♥♥♥♥.
#15
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Date Posted: Jan 17, 2015 @ 11:13am
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