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Adept I
Adept I

6800XT and Samsung Odyssey G9 240 Hz not working

Hello everyone !

Anyone here using a Samsung Odyssey G9 with RX 6800 or 6800 XT and managed to make it work at 240 hz 10 bit ?

Monitor works at 240 hz in his menu but everytime i switch to 240 hz in windows from grafic card i get flashes artefacts and blank screen till it reverts.

Samsung G9 is updated to latest 1008.1 firmware and i use latest AMD drivers.

I didn't had a AMD grafic card since 7970 and i saw a fix was releassed for the same problem on rtx 3080/3090.

 

Thanks

17 Replies
Adept I
Adept I

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

Anyone here using a RX 6800 series and Samsung Odyssey Monitor?

Mine and some other people i found on other forums dont work on 240 hz.It is a driver issue that needs to be adressed on DSC.

 

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Adept I
Adept I

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

Anyone? Help...

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Grandmaster
Grandmaster

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

Samsung Odyssey G9 firmware 1008.1 w/ support for 240Hz - 
You should update the firmware. Also, if the problem exists, you may contact the AMD support team... 
Online Service Request 

EDIT: I have not the monitor. This link is from the nVidia forum page. And same problem exists for nVidia.

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Adept I
Adept I

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

Hello and thank you for answer!

The latest firmware it is installed and it fixed Nvidia 240 hz problem for RTX 3000 series but not for AMD RX 6800 series. 

I have found same problem on other forums with Samaung G9 and 6800xt.

It is a driver issue i think. 

 

https://imgur.com/r/ultrawidemasterrace/5U1cHDW

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

Same issue here, 240hz doesn't work on 6800XT but it did after a driver update on the 3080 to fix the DSC. 

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Adept I
Adept I

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

It was more than a driver update from Nvidia...The monitor needed a firmware update also wich was made in colaboration with NVIDIA.

I sold my AMD RX 6800 XT mainly because of this 240 hz problem ,knowing that AMD barely fixxes more serious issues,and the coil whine that developed after 1 week of use.I had the reference model.

I got a good price at a TUF 3080 OC and i dont regret it.

My monitor works without a problem since then.

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Journeyman III
Journeyman III

Re: 6800XT and Samsung Odyssey G9 240 Hz not working

I have the exact same problem with the rx6900 XT.

I'm using the 8K DP cable

I updated the drivers and the firmware for the monitor (1008)

Disabled freesync and made sure that the monitor is set to 240 HZ mode.

Still have black screen and artifacts/flickering when switching to 240 HZ in Windows. 

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Journeyman III
Journeyman III

Re: 6800XT and Samsung Odyssey G9 240 Hz not working


@mi3zu69 wrote:

Hello and thank you for answer!

The latest firmware it is installed and it fixed Nvidia 240 hz problem for RTX 3000 series but not for AMD RX 6800 series. 

I have found same problem on other forums with Samaung G9 and 6800xt.

It is a driver issue i think. 

 

https://imgur.com/r/ultrawidemasterrace/5U1cHDW


That link shows exactly what I see on my screen too when I switch to 240 hertz. I'm afraid I'm going to have to break my all red build and get a 3090 instead...

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Re: 6800XT and Samsung Odyssey G9 240 Hz not working

I'm going to give AMD some time to get this sorted, since it took Nvidia a bit of time to fix this as well. I got my 3080 on release day and 240hz was broken until 10/20/2020 when they released the hot fix 456.98. Even then G-Sync was still broke, but 240hz was working at that point. 

Hopefully we'll hear something from AMD regarding the issue in the coming weeks. 

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