Overclocking a FX-4300

C

Chride2k8

New member
I have had this CPU for a while and tested it out a bit but I just recently realized that my case prevents me from doing a decent overclock. The problem is the airflow, or more like lack of it, so now I have the side open which has already resulted in a performance and stability increase but the real question is, how far can it go?

I have a Khuler 620 with the rad in the bottom sucking air in to the case...which is by the way the only "extra" fan slot in the entire case (retard design). The stock fan sucks pretty much...that's meant in the bad way as in it sucks at sucking...and I have got an option, I can take the stock fan and throw it in to my server (which I don't use that much) and take the servers fan. There's a 120mm Delta (FFB1212EHE-F00) fan in the server which sounds like an airplane but then again it pushes extreme amounts of air too -> 190CFM @ 4krpm.

How much do you think that the CPU can handle? -I have had it temporarely up to 4.8GHz but with that there's...there was huge stability issues since there's no airflow.

What's the most you have seen this CPU go up to and with what sort of cooling?
 
Under that cooler I'd be aiming at whatever clock you can get for about 1.4v, that's probably around the most heat the cooler will take, unless you stick on the delta fan, which I would NOT advise :P

Set up your ram timings and volts, NB freq/volts, set the cpu at 200 base, 1.4v, put the multi at x21 to get 4.2Ghz and test for stability... from there you can move up the multiplyer a notch each time you pass a stress test for 5 minz, then once you begin to crash/see other stability issues either back off the muli one notch or add a tiny bit of voltage if your temps are ok. From there, test and tweek.
 
Chride2k8 said:
Why don't you like my airplane? :D

And what do you think is the limit for the CPU?
Click to expand...

Sillicon lottery, so it's hard to say... anywhere from 4.2 - 4.6 @1.4v... but if you stick on the delta you can probably push closer to 1.45v within reasonable temps, which will mean higher clock... just follow the mini guide I mentioned and you'll find out for yourself ;)
 
iBeInspire said:
Sillicon lottery, so it's hard to say... anywhere from 4.2 - 4.6 @1.4v... but if you stick on the delta you can probably push closer to 1.45v within reasonable temps, which will mean higher clock... just follow the mini guide I mentioned and you'll find out for yourself ;)
Click to expand...
hmm...I hear that you don't like to go that high with the vCore...how about a AMD Phenom 555 @ 1.65v..? run perfectly fine even tho it created loads of heat. Got it up to 4.2GHz even tho at that speed it crashed from time to time under full load. The best I could do with that was 4.1GHz with no problems what so ever :)

I'll try n see what I can do and make of this, currently running at 4.5GHz but haven't stresstested it yet...to be continued...

(...I should maybe add my OC history to my introduction...)

...after the 7min mark running OCCT CPU test the temp had gone from 40C to 52C and kept jumping there between 51C and 52C. So that means that the airplane fan is coming in since I dont have any other 120mm fans here :/
 
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I guess I am quite conservative vcore wise, can't say I'd ever imagine using a 4k delta fan in my main rig, I'd go insane :P

Having said that, the thermal limit for that CPU is 62, so you can still push a fair amount of vcore with the fan you're running now :)
 
iBeInspire said:
Having said that, the thermal limit for that CPU is 62, so you can still push a fair amount of vcore with the fan you're running now :)
Click to expand...
True, even tho I would like to find the CPUs limit instead of the coolers limit :P The highest that I have got it up to temporarily can be seen here. So I guess that I'll now see if the multiplier still works and if I have to fiddle with the vcore...it's still at its default settings :D
 
4.9GHz seems to be the limit, no matter how small the tweak is after that it just gets unstable and crashes. I even managed to get it up to 5GHz but at that point it was instant crash n burn when the cpu usage went up. The lowest stable vCore is 1.4v and the entire OC was done with the multiplier alone.
On the way I managed to burn a few things...or more like a few thin cables melted and a thing burned...the Delta fan sucks alot of power, something like 3A to be exact and most fan controls can handle at best 1A/channel. So the cables from the fan control to the fans own connector got melted and the fan control itself got fried...but that's ok, I'll just build a new one :)
Since the fan control got fried I had to listen to the fan at full speed all the time so I took an other fan from an old PSU and replaced the Delta with that and added the original fan too, so now I have a dual-fan configuration on the rad and it idles at 34/35C.

FX4300_01.JPG
 
True AMD package temps only seem to be accurate via AMD Overdrive.. Unless you have the latest Open Hardware Monitor, they seem to have fixed the 15C deficit.
 
Wraithguard said:
True AMD package temps only seem to be accurate via AMD Overdrive.. Unless you have the latest Open Hardware Monitor, they seem to have fixed the 15C deficit.
Click to expand...
AOD only counted a temp threshold which counts down so when the actual temp goes up it just counts downwards to something... Haven't found a place to change that O_o
 
I like Core Temp and that's what I use for my temp monitoring. The idle reading is always borked no matter what utility I use but Core Temp seems about right based on socket readings which will always be around 7 or 8 degrees hotter. NZXT's Cam utility is pretty good too but it's a little too big. I like a nice gadget sized monitor that I can just stick in the corner or the screen so the All CPU Meter gadget using Core Temp to display temps is perfect for me.

4.9 is a great overclock if it's OCCT stable. Nothing shabby about that at all even if it is with just a quad core FX. Well done sir.
 
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