Hyper 212 Evo Not Cooling FX 8120 Well

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QuantumCD

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Sep 9, 2012
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I recently overclocked my FX 8120 to 4.0 GHz with about 1.3v. However, my temps were insane. I was getting over 55C on idle, so I had to turn off the overclock. I'm currently getting about 35C idle without the overclock. Ambient temperature is 25C. Any ideas as to what could be causing temperatures to shoot up so high when I touch the vCore?
 
Are you concerned about your socket temp or CPU core temps? Like I said, with my and setup my boards socket runs hotter than usual and I found that out the hard way. However, my cores are always within the normal ranges with my cooler master hyper 212 evo hear sink.
 
I've also know people that push that temp to its limits all the time for years and they're just fine. Overall a nice heatsink, good mobo cooling for VRM/NB and SB, and good airflow in and out should be enough to keep everything under control.
 

I'm not really concerned about my hardware being damaged (usually stays between 52-55C, never goes above 55C, even after hours of max load). However, I'm not really happy with performance, mainly in BF4. My friend has the same GPU as me and an i5, and he's pushing 70 FPS on Ultra, whereas I'm getting 20-30 FPS no matter my video settings. I'm concluding that it's the CPU throttling because of the CPU only staying at 60% load or so (on all cores). Unfortunately, I don't have the spare cash right now to pick up an i5 and a new Intel board.
 
Apples and oranges. Bf4 single player is heavily single threaded, of course Intel is gonna rock there, it's bf4 multi-player that really takes advantage of multi-core. Also, the i5 is probably 20w or so lower TDP, so with identical coolers running identical gpu', the i5 will OC faster, resulting in slightly higher fps. There are also, contrary to popular beliefs, differences in mobo's, not just cpus. Some mobo's use slightly better cmos, buss lanes, chipsets etc, resulting in faster travel of data between ram, cpu, ssd/hdd. All that too can result in higher fps. Sounds like your friend has gotten a good, well balanced combo, whereas yours isn't. TDP for your cpu is 63, I believe, so you could run flat out at 55 all day long and not even start to think about throttle backs
 

About the 55, I know that it won't hurt things, but I'm pretty sure my CPU is actively throttling its speed to make sure it doesn't get above 55, hence the performance loss. And I'm well aware that my setup isn't exactly the best, but I just find it odd that people I talk to in-game (BF4) are getting 80-90 FPS on Ultra with an 8350 and a 770. One guy even had an 8120, and he was getting a "rock-solid 60 FPS" with a 770. Is my motherboard really going to slow things down that much? That's a 30-40 FPS difference.


 
No way your cpu is throttling back to stay at 55.if anything, it may be the gpu throttling back due to high temperatures @90. It's possible you have lousy airflow in the case and end up recirculating the hot air through the cpu/gpu, making things progressively worse.
 

Really? Odd. Maybe there is something else causing the abysmal performance I'm getting then. As for case airflow, I have two fans--one on the top for the CPU, and another on the bottom front for the GPU. There is a fan on the back for hot air coming from the CPU, and the GPU has its own outtake. I don't think there is much of an issue with case airflow.
 

Sorry, I may have used the wrong term there. Not a GPU expert. I meant that the air on the bottom of the case that is brought in by the front case intake (push?) fan is sucked in by the fans on the GPU and pushed out the back of the GPU. I believe it's a Windforce 3X cooler.