FX 8350 underclocking at 55c
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CPUs
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MG Ocelot
January 12, 2014 8:27:52 PM
I am having an issue with my cpu. I recently replaced my FX 6300 with this new one, and i ran into an issue with my fx 6300 that would underclock it for some reason, I reinstalled my bios and that fixed my issue with the fx 6300.
I am now having the same issue again with the new 8350, I updated the BIOS and it is still doing it once it hits 55c in prime95. My mobo is the m5a97 LE R2.0 and this board definitely supports this processor. Cool n Quiet is disabled, as is all of the other power saving features in both BIOS and windows. turbo core is disabled as well, but the damn thing keeps underclocking, as far as I understand it the temp threshold on these processors is 62, but its definitely not getting close to that, and i am certainly not overclocked.
Could anyone provide any insight that i may be missing?
EDIT: I do have an aftermarket cooler as well, the CM hyper 212 evo. my idle temp is currently 40c, but thats cause my second floor is warmer than the rest of the house.
I am now having the same issue again with the new 8350, I updated the BIOS and it is still doing it once it hits 55c in prime95. My mobo is the m5a97 LE R2.0 and this board definitely supports this processor. Cool n Quiet is disabled, as is all of the other power saving features in both BIOS and windows. turbo core is disabled as well, but the damn thing keeps underclocking, as far as I understand it the temp threshold on these processors is 62, but its definitely not getting close to that, and i am certainly not overclocked.
Could anyone provide any insight that i may be missing?
EDIT: I do have an aftermarket cooler as well, the CM hyper 212 evo. my idle temp is currently 40c, but thats cause my second floor is warmer than the rest of the house.
More about : 8350 underclocking 55c
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Reply to MG Ocelot
Avro Arrow
January 12, 2014 8:35:44 PM
Alec Mowat
January 12, 2014 8:37:46 PM
Related resources
- cpu fx 8350 4.3 GHz 55c under load - Forum
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MG Ocelot
January 12, 2014 8:41:59 PM
WhiteSnake91
January 12, 2014 8:46:54 PM
I know why...it's because you have the LE version and it doesn't have any VRM heatsinks. The rest of your parts are quality. It's your motherboard probably throttling it back.
get the regular R2.0 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
get the regular R2.0 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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MG Ocelot
January 12, 2014 8:51:46 PM
WhiteSnake91 said:
I know why...it's because you have the LE version and it doesn't have any VRM heatsinks. The rest of your parts are quality. It's your motherboard probably throttling it back.get the regular R2.0 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Would you be able to point out those heatsinks?
It looks pretty similar to me
http://www.tigerdirect.com/applications/SearchTools/ite...
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WhiteSnake91
January 12, 2014 8:53:14 PM
MG Ocelot
January 12, 2014 8:55:41 PM
WhiteSnake91 said:
it's those 8 silver cylinder things right next to the cpu socket on the left of it. In the other pic if you look there's a big blue hunk of metal there.I see it. Well, why didnt it downclock my 6300? i had that overclocked to the same frequency as the 8350 and it never did that to me, at least it didnt after my BIOS update
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WhiteSnake91
January 12, 2014 9:01:45 PM
searching online I found these posts.
https://teksyndicate.com/forum/cpu/fx-8350-overclocking...
"Asus M5A97 Le R2.0 4+2 powerphase , but no heat spreader on the VRM´s i think you will probably have your ansewr.... you will no reach high numbers without having the risk to burn your board. i would recommend a better board. i think even at stock clock your vrm´s etc will get hot. because there is no cooling on them at all."
https://teksyndicate.com/forum/cpu/fx-8350-overclocking...
"Asus M5A97 Le R2.0 4+2 powerphase , but no heat spreader on the VRM´s i think you will probably have your ansewr.... you will no reach high numbers without having the risk to burn your board. i would recommend a better board. i think even at stock clock your vrm´s etc will get hot. because there is no cooling on them at all."
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Master-flaw
January 12, 2014 9:05:51 PM
MG Ocelot
January 12, 2014 9:14:39 PM
WhiteSnake91 said:
searching online I found these posts.https://teksyndicate.com/forum/cpu/fx-8350-overclocking...
"Asus M5A97 Le R2.0 4+2 powerphase , but no heat spreader on the VRM´s i think you will probably have your ansewr.... you will no reach high numbers without having the risk to burn your board. i would recommend a better board. i think even at stock clock your vrm´s etc will get hot. because there is no cooling on them at all."
I am gonna go ahead and agree with you on this one. I will look into another board then, I had a feeling that was the case, but I wasn't too sure, it only downclocks while running prime95 so i can game no problem. Thanks for the help!
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Alec Mowat
January 13, 2014 6:02:48 AM
MG Ocelot said:
Alec Mowat said:
It shouldn't underclock, unless it's under powered.What PSU are you using?
What RAM are you using?
I am using 8 gb kingston hyperx blu 1333 (two 4gb sticks)
I have the corsair cx600
Have you run any actual benchmarks and compared to similar processors online?
What speed is it down clocking too and how are you monitoring it? I know some tests in Prime 95 are RAM intensive and not so much CPU intensive.
I disagree with the other posts regarding that motherboard. It's not cheap, and Asus is one of the best.
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MG Ocelot
January 13, 2014 7:20:06 AM
Alec Mowat said:
MG Ocelot said:
Alec Mowat said:
It shouldn't underclock, unless it's under powered.What PSU are you using?
What RAM are you using?
I am using 8 gb kingston hyperx blu 1333 (two 4gb sticks)
I have the corsair cx600
Have you run any actual benchmarks and compared to similar processors online?
What speed is it down clocking too and how are you monitoring it? I know some tests in Prime 95 are RAM intensive and not so much CPU intensive.
I disagree with the other posts regarding that motherboard. It's not cheap, and Asus is one of the best.
I got it to hit 59c before it downclocks it to 1.4 or somethign ike that, then when it gets to 50c it goes back to normal operating clocks. I am monitoring it with ai suite ii which is reading the same info as the bios.
I am running the small fft test which is only testing the cpu and very little ram.
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dacquesta1
January 13, 2014 7:27:45 AM
MG Ocelot
January 13, 2014 7:31:58 AM
dacquesta1
January 13, 2014 7:37:55 AM
MG Ocelot
January 13, 2014 8:00:18 AM
Alec Mowat
January 13, 2014 8:05:50 AM
MG Ocelot said:
Alec Mowat said:
MG Ocelot said:
Alec Mowat said:
It shouldn't underclock, unless it's under powered.What PSU are you using?
What RAM are you using?
I am using 8 gb kingston hyperx blu 1333 (two 4gb sticks)
I have the corsair cx600
Have you run any actual benchmarks and compared to similar processors online?
What speed is it down clocking too and how are you monitoring it? I know some tests in Prime 95 are RAM intensive and not so much CPU intensive.
I disagree with the other posts regarding that motherboard. It's not cheap, and Asus is one of the best.
I got it to hit 59c before it downclocks it to 1.4 or somethign ike that, then when it gets to 50c it goes back to normal operating clocks. I am monitoring it with ai suite ii which is reading the same info as the bios.
I am running the small fft test which is only testing the cpu and very little ram.
Are you looking at CPU temp?
What are the Vcore temps hitting?
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Reply to Alec Mowat
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MG Ocelot
January 13, 2014 8:11:21 AM
Alec Mowat said:
MG Ocelot said:
Alec Mowat said:
MG Ocelot said:
Alec Mowat said:
It shouldn't underclock, unless it's under powered.What PSU are you using?
What RAM are you using?
I am using 8 gb kingston hyperx blu 1333 (two 4gb sticks)
I have the corsair cx600
Have you run any actual benchmarks and compared to similar processors online?
What speed is it down clocking too and how are you monitoring it? I know some tests in Prime 95 are RAM intensive and not so much CPU intensive.
I disagree with the other posts regarding that motherboard. It's not cheap, and Asus is one of the best.
I got it to hit 59c before it downclocks it to 1.4 or somethign ike that, then when it gets to 50c it goes back to normal operating clocks. I am monitoring it with ai suite ii which is reading the same info as the bios.
I am running the small fft test which is only testing the cpu and very little ram.
Are you looking at CPU temp?
What are the Vcore temps hitting?
To be honest I am not sure, none of my current programs are showing me that temp. I have HWinfo 64, ai suite ii and HWMonitor.
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dacquesta1
January 13, 2014 8:11:34 AM
Try this, if you still have the stock cooler rig/mount the fan from it to the back of your case blowing on the back of the cpu socket, it really helps keep your socket temps down. Then if you have a fan you can put on your side panel, or take your side panel off and use a room fan to blow air across your VRM see if that stops the throttling.
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MG Ocelot
January 13, 2014 8:36:13 AM
dacquesta1 said:
Try this, if you still have the stock cooler rig/mount the fan from it to the back of your case blowing on the back of the cpu socket, it really helps keep your socket temps down. Then if you have a fan you can put on your side panel, or take your side panel off and use a room fan to blow air across your VRM see if that stops the throttling.Ok i had a room fan blowing straight into the case, and i had dropped my cpucore voltage earlier to try to manage some of the heat production. So my cpu voltage while under full load from prime95 was 1.244
it made it through 6 tests of small ffts before it got to 59c and once it did, it underclocked it again
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Best solution
WhiteSnake91
January 13, 2014 3:25:59 PM
Alec Mowat
January 13, 2014 3:47:06 PM
WhiteSnake91 said:
yeah in short, the 8350 is a very power hungry cpu, you need to make for sure a new motherboard has actual VRM heatsinks, and a good powerphase.It runs very hot as well, at 4.8, I can exceed 65. However; it never downclocks. I'm on an Asus Sabertooth 990FX R2.0.
I guess a new Mobo is the best option here.
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MG Ocelot
January 14, 2014 10:24:24 AM
WhiteSnake91 said:
yeah in short, the 8350 is a very power hungry cpu, you need to make for sure a new motherboard has actual VRM heatsinks, and a good powerphase.You were 100 percent right. I cut a hole into the side panel of my case (not a big deal, case is old and I was getting a new one in a few paychecks) right over the VRM, where the heatsink should be, and placed an 80mm fan blowing straight onto it, lo and behold, under 100% load in prime95, i made it to a steady 60c for ten runs and it NEVER downclocked. So thank you very letting me know what the issue was, I am now planning on replacing the motherboard with one that can suit my needs a little better.
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WhiteSnake91
January 14, 2014 10:43:51 AM
dacquesta1
January 14, 2014 11:37:08 AM
MG Ocelot
January 14, 2014 2:44:23 PM
dacquesta1
January 14, 2014 6:51:57 PM
you can get some decent boards for that price and under.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
the M5A97 Rev 2.0 would be your most cost effective. From what I've read it overclocks similiar to the M5A99FX Pro 2.0 which has gotten me to 4.6 easy. If you don't plan to overclock there are a few cheaper boards (15-25 dollars less) but has to support 140 watt cpu.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
the M5A97 Rev 2.0 would be your most cost effective. From what I've read it overclocks similiar to the M5A99FX Pro 2.0 which has gotten me to 4.6 easy. If you don't plan to overclock there are a few cheaper boards (15-25 dollars less) but has to support 140 watt cpu.
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WhiteSnake91
January 14, 2014 7:21:17 PM
you could try to order these heatsinks for the vrm for your motherboard, but I don't know how much they will help, but they're cheap and worth a try I suppose
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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csrepsol
August 7, 2014 8:02:29 AM
csrepsol
August 7, 2014 10:19:46 AM
Never mind my previous post. I manage to make solution to my problem and here is how:
http://postimg.org/image/wpol49ynj/
My mobo was throttling.
http://postimg.org/image/wpol49ynj/
My mobo was throttling.
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