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Need help understanding Crimson Global Overdrive Settings

post #1 of 3
Thread Starter 
Hi all

I have googled the crap out of my question and haven't found solid information, its been some time since I had a AMD card, currently using the R9 Fury. I find this new interface a little confusing and I rather use this stock software instead of MSI afterburner or rather switch to MSI afterburner if I'm not happy with it after understanding it.

So far I put the target GPU temperature at 67 degrees as I assumed that target means 100% fan speed at that temperature and I maxed the target fan speed from 79% to 100% also assuming that means the system will use 100% fan speed at max instead of 79% default. All assumptions that's why I am here asking for help.

http://imgur.com/a/KLNEA Current settings


The GPU clock as you can see from the image I have the choice to go up another 98%+ or down 98%-. What I would like to know is what does this setting do and is it overclocking if I add 98%+ and what dangers are involved with this setting.

Power limit as I understand does not add more voltage but allows the GPU to use more power as you can see I have the choice to add another 50% more power is this dangerous? I assume something like 20% more power is safer?

Target GPU temperature I don't know what this does?

Target Fan speed I'm not sure what this does either?
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post #2 of 3
Hey Ark-07

You are correct

Target GPU Temperature is the core temperature that the AMD drivers will try to maintain during GPU load by increasing the fan speed up to the setting Target Fan Speed.

In your setting screenshot, the driver will increase fan speed gradually to keep your core temperature at 67 degrees, all the way up to 100% fan speed if needed. The caveat here is that if the max fan speed is not enough to keep core at the target temperature, the GPU will throttle to make sure it can hit the target. Try not to set a really aggressive temperature target that cannot be achieved with your max fan target to prevent throttling.

I much prefer the AMD fan profile options on my Fury X over any third party option like Afterburner or Trixx. I just use 55 degree and 100% fan targets, but the fan never comes close, cool and quiet.

The GPU overclocking could be more intuitive, as it is changed by % rather than a clock speed. You will just have to do the conversion yourself. For example if the card default core clock is 1000mhz, +1% would add 10mhz. I would say a 5% overclock would work without many problems

Hope this helps
Edited by BIGTom - 8/6/16 at 7:50pm
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by BIGTom View Post

Hey Ark-07

You are correct

Target GPU Temperature is the core temperature that the AMD drivers will try to maintain during GPU load by increasing the fan speed up to the setting Target Fan Speed.

In your setting screenshot, the driver will increase fan speed gradually to keep your core temperature at 67 degrees, all the way up to 100% fan speed if needed. The caveat here is that if the max fan speed is not enough to keep core at the target temperature, the GPU will throttle to make sure it can hit the target. Try not to set a really aggressive temperature target that cannot be achieved with your max fan target to prevent throttling.

I much prefer the AMD fan profile options on my Fury X over any third party option like Afterburner or Trixx. I just use 55 degree and 100% fan targets, but the fan never comes close, cool and quiet.

The GPU overclocking could be more intuitive, as it is changed by % rather than a clock speed. You will just have to do the conversion yourself. For example if the card default core clock is 1000mhz, +1% would add 10mhz. I would say a 5% overclock would work without many problems

Hope this helps

Bigtom to the rescue again biggrin.gif

Thanks once again for your help I have a understanding of what I am looking at now, the only new issue I suffered was the crimson fan control system I didn't like my temps reaching 70degress while the fan was only at 55% speed, My gtx970 used the same cooling setup 5 case fans and gigabyte's windforce triple fan setup and barely hit 64 degrees.

So as a solution I have set msi afterburner to launch on start up and I use my own custom fan profile settings, now under full load and overclocked at 6.2% higher clock from 1010mhz to 1073mhz I hit 57 degress under (3d mark) firestrikes extreme stress test so I'm very happy, thanks once again.

Update

Tom Clancy the division 1080p max settings max temp was 51%
Edited by Ark-07 - 8/6/16 at 11:05pm
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1863GB Seagate ST2000DM001-1CH164 ATA Device (S... samsung ssd 250gb Seagate st2000dx001 Corsair h105 water cooler 
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Coolmaster 120mm 1800rpm fans x 3 Corsair 120mm 1600rpm fan x 3 Thermaltake 140mm 1600rpm x 2 WIndows 10 64bit 
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Current rig
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Intel Core i7 6700k overclocked @4.5ghz Gigabyte z170x gaming 7 Msi RX vega 64 16.0GB Dual-Channel DDR4 @3200mhz Gskill Ripjaws V 
Hard DriveHard DriveHard DriveCooling
1863GB Seagate ST2000DM001-1CH164 ATA Device (S... samsung ssd 250gb Seagate st2000dx001 Corsair h105 water cooler 
CoolingCoolingCoolingOS
Coolmaster 120mm 1800rpm fans x 3 Corsair 120mm 1600rpm fan x 3 Thermaltake 140mm 1600rpm x 2 WIndows 10 64bit 
MonitorMonitorKeyboardPower
LG LG 34UM68 BenQ XL2720Z logitch mk700 Corsair Tx850m 
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