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[Official] AMD Radeon RX 6900 XT Owner's Club

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6900 xt amd radeon rdna2
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#7,201 ·
#7,202 ·
RichieRich25 said:
Still trying to break 24000 but I cant. i just keep getting stuck. Just broke my superposition record and timespy record by like 30 points.
UNIGINE Superposition benchmark score
I scored 22 327 in Time Spy
had to bump up power limit to 360 to achieve these numbers.
Click to expand...
I'd say grab an evc2sx if you can. I got it last year but I didn't play with it that much and it was sitting in a drawer. The cool thing about it (no pun intended) is with a couple changes the card will hit 2700MHz without raising the wattage. The downside is every time you power off the system (reboots are ok) the changes revert. But, there's scripting so you can make it automatic or one-click with that.
I'm scoring 24k now with 24-7 settings. I was struggling to get above 23.5k since I got the card a year ago.
This thread was the extent of my reading on it until just recently. https://www.elmorlabs.com/forum/topic/6900xt-power-limit-tricks
So my tuning options were limited.
 
#7,203 ·
23,161 Timespy graphics score on my air cooled XTX-H. How is that? What are others getting on air?

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#7,206 ·
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#7,208 ·
Godhand007 said:
You should be able to get much more than that with your core clocks settings. I was able to beat this with my ****ty card on 6950XT bios. I think you might be CPU limited, not sure though. Mind you, these core clocks are not GT2 stable (100 Mhz less).

View attachment 2560929
Click to expand...
Continuously I'm getting lower scores than you guys, not sure what is all about but just can't pull more from this gpu.
This one is with 6950 XT bios. But it runs pretty much the same as 6900XT bios except ram clocks.
 

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#7,209 ·
zwer54 said:
Continuously I'm getting lower scores than you guys, not sure what is all about but just can't pull more from this gpu.
This one is with 6950 XT bios. But it runs pretty much the same as 6900XT bios except ram clocks.
Click to expand...
I take it yours is a XTXH not XTX, by birth, noting your comment about the 6950XT bios and seeing smart memory / r_BAR enabled ?
 
#7,210 ·
J7SC said:
I take it yours is a XTXH not XTX, by birth, noting your comment about the 6950XT bios and seeing smart memory / r_BAR enabled ?
Click to expand...
This is Toxic Extreme by default, I flashed silent bios with 6950 toxic limited edition bios. Once booted into windows, open MPT and load your original 6900XT bios and reboot. Then you can continue overclocking like before but you will be able to OC ram much higher (it won't work with fast timings). Also, Re-Bar works just like before, no issues whatsoever. But I am flashing with almos the same gpu, there's only 1 letter difference in device ID, everything else is pretty much the same, so I guess that's why it works so well together...
 
#7,211 ·
zwer54 said:
This is Toxic Extreme by default, I flashed silent bios with 6950 toxic limited edition bios. Once booted into windows, open MPT and load your original 6900XT bios and reboot. Then you can continue overclocking like before but you will be able to OC ram much higher (it won't work with fast timings). Also, Re-Bar works just like before, no issues whatsoever. But I am flashing with almos the same gpu, there's only 1 letter difference in device ID, everything else is pretty much the same, so I guess that's why it works so well together...
Click to expand...
Why does GPU-Z say you have a 6900 xt? Shouldnt it say 6950 XT because you have the 6950 XT bios
 
#7,213 ·
zwer54 said:
This is Toxic Extreme by default, I flashed silent bios with 6950 toxic limited edition bios. Once booted into windows, open MPT and load your original 6900XT bios and reboot. Then you can continue overclocking like before but you will be able to OC ram much higher (it won't work with fast timings). Also, Re-Bar works just like before, no issues whatsoever. But I am flashing with almos the same gpu, there's only 1 letter difference in device ID, everything else is pretty much the same, so I guess that's why it works so well together...
Click to expand...
...thanks ! Flashing has to wait a week re. work project (and 'rust' on my Ubuntu procedures :) ), but I did find the nearly correct vbios at TPU last night - same vendor model and mostly same PCB, just 6950X...

...btw, do you folks disable Smart Memory / r_BAR in system bios first before flashing, then re-engage it after ?
 
#7,214 ·
J7SC said:
...thanks ! Flashing has to wait a week re. work project (and 'rust' on my Ubuntu procedures :) ), but I did find the nearly correct vbios at TPU last night - same vendor model and mostly same PCB, just 6950X...

...btw, do you folks disable Smart Memory / r_BAR in system bios first before flashing, then re-engage it after ?
Click to expand...
The problem I had was that I couldn't even enter the BIOS when I was using the 6950 XT vBIOS. Probably a Dark Hero issue lol. I'm not using that board anymore, but I haven't tested the 6950 XT vBIOS yet with my new mobo. But with my Dark Hero, the motherboard forced CSM on when the 6950 XT vBIOS was in use; therefore, SAM didn't work.
 
#7,215 ·
jonRock1992 said:
The problem I had was that I couldn't even enter the BIOS when I was using the 6950 XT vBIOS. Probably a Dark Hero issue lol. I'm not using that board anymore, but I haven't tested the 6950 XT vBIOS yet with my new mobo. But with my Dark Hero, the motherboard forced CSM on when the 6950 XT vBIOS was in use; therefore, SAM didn't work.
Click to expand...
Tx ! I'm willing to risk it on my Dark Hero because the GPU has a dual bios (= 'don't leave home without it').
 
#7,216 ·
Does anyone know if it's possible to change the hot spot throttling temperature, even if it requires a BIOS edit? Not sure why the XFX card has a limit of 95 degrees when the rest are 110.
 
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#7,217 ·
CHUNKYBOWSER said:
Does anyone know if it's possible to change the hot spot throttling temperature, even if it requires a BIOS edit? Not sure why the XFX card has a limit of 95 degrees when the rest are 110.
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Your card might be the XTXH instead of XTX. Generally XTXH chips are throttling@95C.

What is the exact model of your card?
 
#7,219 · (Edited)
supergt99 said:
i think theres part of the bios we dont have access to. when we flash the so called "bios" on the cards, its only the things like MPT settings. this is just speculation.
Click to expand...
It flashes everything except device ID. My gpu device ID is 73AF and 6950XT that I was flashing has a device ID 73A5. It clearly shows during flashing process that device ID has been flashed as well but when I was flashing back it showed it was flashed from 73AF to 73AF which means the first time it didn't change.
This device ID tells the system if is 6900XT or 6950XT.

And it is not just MPT settings as no MPT settings would allow me to overclock ram over 2150 mhz and now it goes up to 2490.
 

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