Stable Overclock for the AMD FX-8350

[Pup Shepard]

I installed the AMD FX-8250 BE in my gaming build today and I noticed it ran colder than I thought it would.  At idle it is running 14-18c and under load it is running 34-38c.

I would love to overclock this CPU as I did with the out going AMD Phenom II x4 975 BE.

 

https://pcpartpicker.com/b/kq2RsY

 

 

I am looking for a stable overclock for this CPU.  I would love to get it to 5.0 GHz if I am able.

[Interfectorem]

Try 4.8 GHz with 1.45v. That's what I have my FX-8320 at, and it's stable. I require 1.5125v for 5.0 GHz.

[Tedster]

Try 4.8 GHz with 1.45v. That's what I have my FX-8320 at, and it's stable. I require 1.5125v for 5.0 GHz.

And how much power are you drawing? I'm curious.

[Interfectorem]

And how much power are you drawing? I'm curious.

I'm curious as well, although I have no way of determining this. I need to purchase a Kill-A-Watt one day.

[CoolaxGaming]

I'm curious as well, although I have no way of determining this. I need to purchase a Kill-A-Watt one day.

I would say ~650 watts.

My system consumes 750 and ours is pretty similar

[Interfectorem]

I would say ~650 watts.

My system consumes 750 and ours is pretty similar

That seems a bit high.I always though something like 250w for the CPU and 250w for my GPU. My guess is ~550w

[arnavvr]

I would say ~650 watts.

My system consumes 750 and ours is pretty similar

 

He has a 970, you have a 290X, big difference in power consumption.

[Lotus]

He has a 970, you have a 290X, big difference in power consumption.

Not really once you overclock both cards. Maxwell's power efficiency is largely just a factory underclock. Granted even after overclocking there is a difference, just not as drastic a one as you would think.

[Dabombinable]

He has a 970, you have a 290X, big difference in power consumption.

If you count a big difference as both cards consuming within 100W of eachother....

[CoolaxGaming]

That seems a bit high.I always though something like 250w for the CPU and 250w for my GPU. My guess is ~550w

Corsair Link shows me 750-760 watts.

But then again the Hawaii architecture is really ineffeciant

[Interfectorem]

Corsair Link shows me 750-760 watts.

But then again the Hawaii architecture is really ineffeciant

Hawaii's not an architecture. GCN 1.1 is.

[CoolaxGaming]

Hawaii's not an architecture. GCN 1.1 is.

Woops

[Pup Shepard]

I haven't found a working setting  yet.  What tools can I use to get the first numbers started.

[rtpb5642]

I haven't found a working setting  yet.  What tools can I use to get the first numbers started.

5.2Ghz @ 1.7V worked well on mine but i was using ice blocks to cool it...

 

Try 4.8Ghz @ 1.5V

[CoolaxGaming]

5.2Ghz @ 1.7V worked well on mine but i was using ice blocks to cool it...

 

Try 4.8Ghz @ 1.5V

fuck that is bad

 

 

 

OP, use base clock 250 and multiplier 20 and with 1.5v

[Clyne]

fuck that is bad

 

 

 

OP, use base clock 250 and multiplier 20 and with 1.5v

Doing the wrong way of OC/OV!

1.28V at 3.5GHZ on my 8320.

Trying to get 1.22V....

[-rascal-]

It looks like you are reading the temperature incorrectly there (like many people here with "Bulldozer" / "Pildriver" Processors). Heh, you are the...3rd of 4th in the last week or so.

 

http://linustechtips.com/main/topic/369522-cpu-temps-not-showing-properly/

 

In HWMoniotor, you are looking at the wrong thing.
The Package temperature is not accurate during idle, but should be relatively accurate when the CPU is under load.

If you want to see a more accurate reading, scroll up a bit in the HWMonitor menu.

This is another fourm member's CPU -- he also was making the mistake by looking at the "Package" temperature.

Under "Temperature" there is a reading actually labelled as "CPU." This is basically bang on with what the BIOS shows. If you look, my "Package" temperature is also very low...my room temperature at the time was around ~15*C).

For the heck of it...

Regarding to AMD OverDrive, depending on where in the software you are reading the temperature, it will show the margin you have left before reaching the thermal limit. So as your CPU heats up, the temperature will actually decrease...as it is showing the headroom you have left.

Comparing my "Temperatures" > "CPU" temperature reading from HWMonitor, with my own "FAN0" temperature reading in AMD OverDrive (installed it to post on this topic), they are identical. If your "FAN0" is your CPU_fan, then that it is likely that IS your CPU temperature (39*C)

 

 

http://linustechtips.com/main/topic/362783-cpu-problems/

 

Bingo!

Thank you for the video. (BTW, screen capture -- use the "PrtScn" key on your keyboard)

 

HWMonitor's "Temperature" --> "Package" gives incorrect readings when the system idle.

Rum a stress test, like AIDA64 or Prime95, then it will give more accurate readings.

 

If you go to 0:55 in your video, with Gigabyte motherboards, "Temperatures" --> "TMPIN0" (or TMPIN1) is your CPU temperature.

Your FX-4130 is sitting at ~31*C.

 

 

The other two is motherboard temperature and CPU/NB temperature (I don't recall which is which exactly for Gigabyte boards).

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http://linustechtips.com/main/topic/363153-cpu-temps-100c/

 

Depending on your motherboard / CPU, HWMonitor may not explicitly have a temperature reading labelled as "CPU", "motherboard", or something like that.

It can be named as "TMPIN1" or "TMPIN2."

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To start off with these settings and work your way up or down... this is from looking at all the results on the LTT CPU Overclock Database

• Disable any power-saving features in the BIOS (you can Re-enable them later) -- Cool N' Quiet, C1E, SVM, C6 State
• Enable HPC Mode (High Performance Computing)
• Disable APM Mode (Application Power Management)
• Set Core Voltage to ~1.40V (not taking into account any voltage droop compensation / Load Line Calibration)
• Set multiplier to 22 for 4.4GHz (200 x 22)
• Leave your DRAM running at it's rated speed for now (1333MHz 9-9-9-24), and don't overclock them until for the time being to remove any variables for instability
• Set your HT-Link and CPU-NB frequency both to 2400MHz or 2200MHz
• Optional: increase your CPU-NB voltage to 1.2V ~ 1.25V to avoid any instability due to the CPU-NB (AKA Integrated Memory Controller) as you overclock your Processor
• Leave any of voltages on [Auto] for the time being

The worst case scenario, from looking at the CPU overclock database, was 4.4GHz with ~1.47V. Hopefully you won't require that much voltage. Most people with FX-8320 / FX-8350 / FX-6300 were able to get 4.4GHz - 4.6GHz with around 1.40V.

 

While stress testing, have CPU-Z (or any other similar program that can monitor voltages) and keep en eye on the Core Voltage. If you see it dip too low while your stress test is running, then you either need to:

1. Increase your Core Voltage or,
2. Increase / Enable your Load Line Calibration setting

Of course, keep an eye on your temperatures -- CPU, the VRM's, and NB chipset.

The NB and VRM heatsinks are connected to each other via heatpipe so they will heat each other up. You don't want your NB to go much higher than 50*C ~ 60*C of things can get wonky. the VRM's themselves can handle higher temperatures, but not the NB chipset.

 

North Bridge (NB) = 990FX chipset on the motherboard

South Bridge (SB) = SB950 chipset on the motherboard

[Pup Shepard]

So i got the FX to 5.0 GHz

 

Take a look

 https://youtu.be/_l2hY58gO_8  

 

[Pup Shepard]

The only stable and boot-able clock I managed to get is 4.5 GHz # 1.33125v