[Avacado]

I just got my 6800 - the ASUS TUF version. I know it's done some mining, but all seems to be ok except i'm getting a GPU hotspot temp of 110c when I run the OCCT stress test.

Is this normal?

Maybe, but if you purchased a card that has done any long term mining 24/7, you should consider re-pasting/padding.

 

[crakej]

Maybe, but if you purchased a card that has done any long term mining 24/7, you should consider re-pasting/padding.

Really that high?

I will do that in the new year then - any recommendations on pads/paste?

 

[Avacado]

Really that high?

I will do that in the new year then - any recommendations on pads/paste?

I suppose everyone has their favorites and that can very by budget. I tend to use thermalright pads and MX-4 or 6.

 

[speed_demon]

I'll chime and mention SYY and thermalright pads is my go to solution.

 

[CrustyJuggler]

Unless you have ventilation issues with your case, that's a pretty high Hotspot temp so yeah, a re-paste/pad. A 15-minute run of OCCT 3d standard, Shader complexity: 8, GPU MAX: 100% on my Sapphire Pulse has an average Hotspot of 74c using stock settings.

 

[Medizinmann]

Really that high?

I will do that in the new year then - any recommendations on pads/paste?

You could use K5 Pro:
COMPUTERSYSTEMS REPAIR SERVICES DATA RECOVERY K5 PRO viscous thermal paste for thermal pad replacement 30g compatible with iPhone Apple iMac, Sony PS4 & PS3, XBOX, Acer Aspire etc : Amazon.co.uk: Computers & Accessories

..which will work much better than any thermal pad - but might be a mess to remove some day...;-)
More FPS for just $10 - K5 Pro Viscous Thermal Paste - YouTube

Best regards,
Medizinmann

 

[crakej]

Thanks for advice The K5 pro looks very interesting..... Could I use that and Liquid Metal on the GPU?

Where is the 'junction'? Is it on the GPU or is it under one of the pads?

 

[Medizinmann]

Thanks for advice The K5 pro looks very interesting..... Could I use that and Liquid Metal on the GPU?

Well it depends what the contact plate of the cooler is made of - if it is nickel plated cooper - you can use Liquid metal no problem. If it is pure copper - you could use liquid metal but might to need to replay - albeit my cooler is cooper and I applied lquid metal once 3 years ago and the temps are still fine...but beware of using liquid metal on
aluminium – this would make a not so nice hole.
And don't forget to protect adjacent structures with something like formal coating!

But you could also use some high performance thermal paste like i.e. kryonaut extreme - this will most probably do it and is much easier to use.

Where is the 'junction'? Is it on the GPU or is it under one of the pads?

The junction is on/in the GPU die.

Best regards,
Medizinmann

 

[crakej]

Well it depends what the contact plate of the cooler is made of - if it is nickel plated cooper - you can use Liquid metal no problem. If it is pure copper - you could use liquid metal but might to need to replay - albeit my cooler is cooper and I applied lquid metal once 3 years ago and the temps are still fine...but beware of using liquid metal on
aluminium – this would make a not so nice hole.
And don't forget to protect adjacent structures with something like formal coating!

But you could also use some high performance thermal paste like i.e. kryonaut extreme - this will most probably do it and is much easier to use.



The junction is on/in the GPU die.

Best regards,
Medizinmann

Thanks again!

I may just use normal paste in this case.... Is it possible I could get away with just re-pasting as the only problem is the junction temp, or is it advisable to just do it all if you're opening it up?

 

[Medizinmann]

Thanks again!

I may just use normal paste in this case.... Is it possible I could get away with just re-pasting as the only problem is the junction temp, or is it advisable to just do it all if you're opening it up?

It depends - what the pads are made of - in the newer GPUs they use some kind of pads that burn in and get rather brittle and should not be reused - to be on the safe side I would replace the pads.

And I would actually use some high performance paste on the GPU die - as this is direct die cooling!

I pesonally would go for Kryonaut Extreme but there are other good high performance pastes out there like i.e. Noctuas NT-H2, Gelid Solutions GC-Extreme or Arctic MX-6 etc.

Best regards,
Medizinmann

 

[crakej]

I found I had some Coolermaster MasterGel lying around so re-pasted to see what I'd get. Old paste was all pushed out around the die - I think previous owner put too much on and used to much pressure when putting back together.

I'm now seeing junction temps of max 85C during gaming - 25-30C cooler! Delta is 15 to 20C. I'm going to get better paste for when I do the pads next week with the K5 Pro.

 

[crakej]

Duplicate - sorry!

 

[crakej]

So, replaced most of my pads with the K5 and the GPU thermal paste with Kryo 33 - Things are looking much better! Next I'll be trying to figure out how best to OC - Already seen some useful tips earlier in the thread. Thanks

Edit: Does anyone else get screen flashing? Usually when in lower power mode....

Spoiler: OCCT Results

 

[crakej]

So have been tyring to change my power limits with MPT, but nothing changes. What am I doing wrong?

I run it as Admin, change the settings, the press 'Write SPPT' - when I reboot, nothing is different and can still only increase power by 10%

Any help appreciated.

 

[Medizinmann]

So have been tyring to change my power limits with MPT, but nothing changes. What am I doing wrong?

I run it as Admin, change the settings, the press 'Write SPPT' - when I reboot, nothing is different and can still only increase power by 10%

Any help appreciated.

Maybe a look into a Powertable editor migh help....

RED BIOS EDITOR and MorePowerTool for Polaris, Navi and Big Navi - MPT 1.3.18 | igor'sLAB (igorslab.de)

Best regards,
Medizinmann

 

[crakej]

Maybe a look into a Powertable editor migh help....

RED BIOS EDITOR and MorePowerTool for Polaris, Navi and Big Navi - MPT 1.3.18 | igor'sLAB (igorslab.de)

Best regards,
Medizinmann

Thanks for getting back. I had found these pages, but I just don't have many examples for 6800 non XT, let alone for my ASUS. The examples that are out there are for older versions of MPT as well. I'm not sure I quite get everything yet!

Should I be using Temp Dependent Vmin, and activating it via the Power Play Feature Enablement window? Or do I just need to adjust the Power Limit and TDC Limits?

One other thing, is the 6800 locked to max 10% extra power?

Also experimented with Hydra, but none of my OCs hold for heavy loads so far - need to find power/frq limits I guess....

 

[Medizinmann]

Thanks for getting back. I had found these pages, but I just don't have many examples for 6800 non XT, let alone for my ASUS. The examples that are out there are for older versions of MPT as well. I'm not sure I quite get everything yet!

Should I be using Temp Dependent Vmin, and activating it via the Power Play Feature Enablement window? Or do I just need to adjust the Power Limit and TDC Limits?

One other thing, is the 6800 locked to max 10% extra power?

Well I don't know, but isn't that the point of the BIOS Editor - to overcome such a limit?

I never poket into my AMD-GPUs as I run them at stock settings so far - didn't have any time to tinker with them.

With my 2080Ti I just flashed an OC-Bios with higher power limit (380W instead of the 290W Stock limit)...

Also experimented with Hydra, but none of my OCs hold for heavy loads so far - need to find power/frq limits I guess....

Well - you might need to edit the power tables first...

Maybe you need to dig deeper in the community forum of igorsLab - the German forum has 166 Pages on the topic Red Bios Editor...maybe someone else wrote something about modifieng a 6800?!?

Die you alraedy look into this!?:
AMD’s Radeon RX 6800 stable with continuous 2.55 GHz and RX 6800 XT overclocked up to 2.5 GHz - Thanks to MorePowerTool and board partner BIOS | igor'sLAB (igorslab.de)

AMD - RED BIOS EDITOR und MorePowerTool - BIOS-Einträge anpassen, optimieren und noch stabiler übertakten | Navi unlimited Seite 154 | igor´sLAB Community (igorslab.de)

Here is a guide in German - don't know how well this is readable with Google translate!?
[Guide] - Navi 21 Max Overclocking Tutorial [6800 XT / 69X0 XT] | Hardwareluxx

Best regards,
Medizinmann

 

[snootaiscool]

Looks like I took a massive L with FCLK on my card. Bumping up FCLK from 1550MHz -> 1800MHz manages to give me a dreaded black screen + Kernel-Power critical error. Weird part is that it's consistently replicatable in Borderlands 2 (particularly when running through Opportunity), but something else like Cyberpunk can be very hit or miss. It sucks.

 

[ZealotKi11er]

Looks like I took a massive L with FCLK on my card. Bumping up FCLK from 1550MHz -> 1800MHz manages to give me a dreaded black screen + Kernel-Power critical error. Weird part is that it's consistently replicatable in Borderlands 2 (particularly when running through Opportunity), but something else like Cyberpunk can be very hit or miss. It sucks.

Have you increased SOC voltage?

 

[snootaiscool]

Have you increased SOC voltage?

1150mv in fact🙃. Stock is 1050mv on the Reference 6800. Didn't touch vMin SoC though.