AMD FX OC'ers Club

os2wiz · Feb 24, 2015

Johan45 said:
i se you have the 320, I'm surprised , i haven't had an FX yet that wouldn't run 5.0 or better stable as long as it had cooling. Sure that thing is working right?

It is running well. Your experience is not typical. Most users even eith a good motherboard and good cooling can't get a 5 ghz overclock. My 9590 will only stabily clock to 4.8 ghz. The voltage requirements are astronomical above 4.8 ghz.

Johan45 · Feb 24, 2015

os2wiz said:
It is running well. Your experience is not typical. Most users even eith a good motherboard and good cooling can't get a 5 ghz overclock. My 9590 will only stabily clock to 4.8 ghz. The voltage requirements are astronomical above 4.8 ghz.

I'm curious as to the VID on that chip. Do you know what it is? My very first 8350 was a real pig but with the right cooling would run P95 at 5.0 BUT it took nearly 1.7v to do it. Which isn't something I would do everyday. I do realize not all chips are created equal OS2 maybe Ebay that one and pick up another one of these newer low voltage chips that seem to be everywhere now. I just sold off an 8320 that ran 5.0 with 1.45v

os2wiz · Feb 24, 2015

Johan45 said:
I'm curious as to the VID on that chip. Do you know what it is? My very first 8350 was a real pig but with the right cooling would run P95 at 5.0 BUT it took nearly 1.7v to do it. Which isn't something I would do everyday. I do realize not all chips are created equal OS2 maybe Ebay that one and pick up another one of these newer low voltage chips that seem to be everywhere now. I just sold off an 8320 that ran 5.0 with 1.45v

VID for the 9590 at 4.7 GHZ is 1.488 volts.

Johan45 · Feb 24, 2015

That' actually pretty reasonable compared to some. I think the crux might be right here

G. Skill Trident X 8GBx2 (16 GB) 2400 mhz dimms

That much ram is hard for that CPU to handle at those speeds. You might just need to kick the IMC in the pants. Like I mean 1.4+v

os2wiz · Feb 24, 2015

Johan45 said:
That' actually pretty reasonable compared to some. I think the crux might be right here
That much ram is hard for that CPU to handle at those speeds. You might just need to kick the IMC in the pants. Like I mean 1.4+v

I dropped the speed to 2133mhz and it made no difference.

Johan45 · Feb 24, 2015

Just as a test do you have any 1866 or 1600 2x4 you could try. One bud of mine couldn't get his to run 1866 ram without 1.35v to the CPU_NB. It all depends on how strong your IMC is. When I bench it's 2x2 sticks since it takes a load off the IMC. 16Gb even at 2133 is a lot of addressing for the CPU and as the core speed goes up the IMC has to work harder. That pic I had up with the NB@ 3800, I was running about 1.5v to the CPU_NB

Cybrnook2002 · Feb 24, 2015

4.4 here on my 8320 running stock voltage. (Shot up to that right out of the box)

Athlonite · Feb 24, 2015

Cybrnook2002 said:
4.4 here on my 8320 running stock voltage. (Shot up to that right out of the box)

Yeah did the same on mine aswell it seems the 8320's are pretty decent clockers for the most part I've had mine to 4.7 but required a shot of extra volts to do so stable 1.457V

eidairaman1 · Mar 8, 2015

4.7Ghz Vcore untouched.

Johan45 · Mar 11, 2015

Went to a benching competition on the weekend in Montreal came in second. https://www.facebook.com/media/set/?set=a.10152803092801275.1073741853.148387966274&type=1 http://www.overclockers.com/forums/...ld-Tour-2015?p=7799569&viewfull=1#post7799569

os2wiz · Mar 11, 2015

Johan45 said:
Just as a test do you have any 1866 or 1600 2x4 you could try. One bud of mine couldn't get his to run 1866 ram without 1.35v to the CPU_NB. It all depends on how strong your IMC is. When I bench it's 2x2 sticks since it takes a load off the IMC. 16Gb even at 2133 is a lot of addressing for the CPU and as the core speed goes up the IMC has to work harder. That pic I had up with the NB@ 3800, I was running about 1.5v to the CPU_NB

I only use 2 sticks of ram , 2 8Gb sticks there is no stress on the IMC.

Random Murderer · Mar 11, 2015

os2wiz said:
I only use 2 sticks of ram , 2 8Gb sticks there is no stress on the IMC.

Actually, 8GB per channel is a lot of stress on an IMC, especially on AMD. I would expect to be able to run ~1866 with 2x8GB and just a little bit of tweaking. 2400 is going to be a pain and a lot of CPU_NB voltage.
BTW, what is this "FX 9790" in your system specs? I've never heard of it, and neither has Google. Do you mean the 9590?

yesyesloud · Mar 11, 2015

os2wiz said:
I dropped the speed to 2133mhz and it made no difference.

I may highlight you didn't drop it enough though.

FX-9590 is cherry-picked FX-8350 running stable at core clocks higher than the average FX-joe. Really. Nothing more to it, as sad as it may smell when fried.

SiSoft Sandra (most detailed, accurate hardware info tool I've come across) says FX-8350 IMC can handle up to 2000MHz. I wouldn't set ram speed any higher than that at stock cpu clocks, actually I'd better stay on the safe spot, 1600-1866MHz.

According to AMD official specs, you shouldn't set ram frequency further than 1866MHz with either FX-8350 or FX-9590, as it is considered IMC OC:

While core OC can be fine, IMC OC is not something good in nearly all cases. And if your FX-9590 cores can't run faster than 4.8GHz under 1.5, I wouldn't say you won the silicon lottery on that one. Try not to push its rated limits when it comes to memory.

One important OC guideline is... The higher the CPU clock, the lower the ram speed.
So that you can compensate for a rather delicate IMC.

It's just that s.w.i.m. fried a fx-8350 chip because of core OC + ram OC (cpu @ 4.8GHz, 1.5V, ram @ 2200MHz) :rolleyes:

and this person had pretty decent cooling...

eidairaman1 said:
4.7Ghz Vcore untouched.

Luckeh

cdawall · Mar 22, 2015

so hows everyone doing?

Athlonite · Mar 23, 2015

yesyesloud said:
SiSoft Sandra (most detailed, accurate hardware info tool I've come across) says FX-8350 IMC can handle up to 2000MHz. I wouldn't set ram speed any higher than that at stock cpu clocks, actually I'd better stay on the safe spot, 1600-1866MHz.

Well SiSoft Sandra isn't always right my overclocked 8320 @4200MHz is running 2400MHz DDR3 memory quite fine and it also has the NB/HT clocks set to 2600MHz

Athlonite · Mar 23, 2015

cdawall said:
so hows everyone doing?

Very good thanks and yourself

yesyesloud · Mar 23, 2015

Athlonite said:
Well SiSoft Sandra isn't always right my overclocked 8320 @4200MHz is running 2400MHz DDR3 memory quite fine and it also has the NB/HT clocks set to 2600MHz

Actually SiSoft Sandra will always tell you what your CPU IMC is rated exactly, and if your memory is running faster than it, it's IMC OC. The same way it's core overclock when you run above your stock core clock.

What I tried to emphasize is that IMC OC is much more delicate than core OC on FX CPUs. I'd take careful examination at benchmarks and performance to see if it's worth risking, specially in "low latency" applications like games in case that's one's focus.

Try stressing an octacore FX at 4.6GHz+, memory @ 2133MHz+, on prime for a few days and tell me what happens.

Johan45 · Mar 23, 2015

cdawall said:
so hows everyone doing?

Fine, where you been? This thread is dying.

TRWOV · Mar 23, 2015

haven't had time to try more OCing also for some reason my 4.4Ghz overclock on stock isn't holding up anymore (more and more crashes). Maybe the board is going south? :eek:

Johan45 · Mar 23, 2015

Well the weather is warming up, you might just need a bit more juice to compensate for higher ambient temps??

yesyesloud · Mar 23, 2015

TRWOV said:
haven't had time to try more OCing also for some reason my 4.4Ghz overclock on stock isn't holding up anymore (more and more crashes). Maybe the board is going south?

Many FX-8350s can run perfectly stable at 4.4GHz even with OK cooling and some voltage bump... Maybe pushing voltage a bit higher than stock will do it, you got rather decent cooling after all.

eidairaman1 · Mar 25, 2015

When i get back home im gonna run 4.8 and see how it goes

cdawall · Mar 25, 2015

TRWOV said:
haven't had time to try more OCing also for some reason my 4.4Ghz overclock on stock isn't holding up anymore (more and more crashes). Maybe the board is going south?

More voltage always works for me.

Athlonite said:
Very good thanks and yourself

Still here. One AMD rig down however, my poor B97 died.

Johan45 said:
Fine, where you been? This thread is dying.

I see that, been working on vehicles hiding in a cave.

eidairaman1 · Mar 25, 2015

Still runnin in the usaf huh

cdawall · Mar 25, 2015

End of May. Not saying I am counting the days down, but I am counting the days down.

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Power Supply	Corsair 1200 watt HX Platinum PSU
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Keyboard	Das tactile mechanical gaming keyboard
Software	Windows 10 Pro
Benchmark Scores	Cinebench 15 64 bit Open GL 146.7 FPS Cinebench 15 CPU 1958 at 4.25 GHZ Priority set to real-time

System Name	Gamer/ HTPC
Processor	AMD Ryzen 5 2600
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Case	Phanteks Enthoo Luxe Tempered Glass
Power Supply	Corsair 750
Software	Win10 Pro
Benchmark Scores	http://hwbot.org/user/johan45/

Processor	AMD Ryzen 7 2700X
Motherboard	MSI Gaming M7 AC
Cooling	AlphaCool Eisbaer 360
Memory	G. Skill Trident X DDR4 8GBx2 (16 GB) 4266mhz dimms
Video Card(s)	MSI Gaming X Twin Frozr GTX 1080 Ti
Storage	512GB Samsung 960 EVO M2 NVMe drive,500 GB Samsung 860 EVO ssd, 1 TB Samsung 840 EVO SSD
Display(s)	Samsung 28 inch 4k Freesync monitor
Case	ThermalTake V71 Full tower gaming case
Power Supply	Corsair 1200 watt HX Platinum PSU
Mouse	Razor Mamba Tournament Edition
Keyboard	Das tactile mechanical gaming keyboard
Software	Windows 10 Pro
Benchmark Scores	Cinebench 15 64 bit Open GL 146.7 FPS Cinebench 15 CPU 1958 at 4.25 GHZ Priority set to real-time

AMD FX OC'ers Club

os2wiz

Johan45

os2wiz

Johan45

os2wiz

Johan45

Cybrnook2002

Athlonite

eidairaman1

The Exiled Airman

Johan45

os2wiz

Random Murderer

The Anti-Midas

yesyesloud

cdawall

where the hell are my stars

Athlonite

Athlonite

yesyesloud

Johan45

TRWOV

Johan45

yesyesloud

eidairaman1

The Exiled Airman

cdawall

where the hell are my stars

eidairaman1

The Exiled Airman

cdawall

where the hell are my stars

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Processor	AMD FX 8350@ 5.0GHz
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