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The Radeon RX 6900/6950 XT Owners Thread.
- Thread starter Kaapstad
- Start date
Caporegime
Took some footage of high settings at 1440P too here.
Try setting this RenderWorkerCount to 6 as well, see if it helps.
I do tend to play the smaller Rebirth map as per your video and the performance there is much better. It's the bigger Caldera map where I'm having issues. I'll report back tonight after trying lower settings. Is the video you posted for a 3090 rather than 6900XT?
Caporegime
Oops, Yeah sorry posted the wrong video.
It looks like I only have this, also running low settings. I normally use max settings and other than slightly higher FPS on low there's no difference in gameplay or fluidity.
Soldato
Here we Warzone go again. 
Caporegime
Deja vu.Here we Warzone go again.
Caporegime
I wrote up a guide for someone on how to change the thermal paste on the fastest 6900 XT known to man, the Sapphire 6900 XT Toxic. Figured I'd post it here in case anyone is interested and considering similar.
Sapphire Toxic 6900 XT AIO Disassembly, Re-paste and Reassembly guide (sponsored by theregoesmywarranty.com)
As Juan Carlos likes to say in Far Cry 6, always use the right tool for the right job. Make sure you have a screwdriver set as you'll need a couple of different types of screw heads.
I also suggest you take note of GPU temperatures (Edge and Junction/Hotspot) running a game or benchmark so you have something to compare to. Try to keep ambient temperature similar so as to not affect the results. What we are looking for is a lower delta between edge and junction and a lower junction temperature overall.
Step1:
Remove the two screws from the PCI bracket.
Step2:
Remove the five screws from the shroud. Three on top, two on the bottom that are not shown below.
Step3:
Gently pull the shroud off. Be careful not to pull out the RGB, pump and fan wires which are all tucked in near the bottom right of the shroud.
Step4:
Turn the the GPU over and remove the retention bracket. Two full turns following the X patter in the order shown.
Step5:
Turn the GPU over again and gently lift the pump off the GPU die as shown below. Clean the thermal paste using a lint free cloth or similar and some isopropyl 99% alcohol or similar. Repeat for the copper baseplate on the pump.
Step6:
Clean GPU die and copper baseplate. I personally don't bother to clean the outsides of the GPU die as I'll be using liquid metal and I figure that gives it a little protection should a bit of liquid metal spill onto the nearby components. Some people clean it all up and put thermal tape over the components, it's up to you what you do here. If you are careful and don't apply too much liquid metal, my method works fine.
Step7:
Apply a half pea size drop of liquid metal. If you put on more than this, you can suck it back up using the liquid metal applicator shown in the second screenshot.
Step8:
Start spreading the liquid metal. You can use either the brush or the qtip, I prefer the qtip as it gives more control with the brush it is possible to flick some off the GPU die. Slow long strokes to spread it. If you followed my earlier tip and heated up the tube by resting it on the GPU radiator under load, it should spread fairly easily.
Step9:
Once complete, it should look something like this. I personally don't recommend putting a layer on the copper baseplate, a thin coating should give the overall best results.
Step10:
Gently Re-attach the pump to the GPU die.
Step11:
Turn the GPU over. The screw holes on the pump do not come through the PCB evenly unless you use a hand or finger to balance it all out. See the example below and then how I applied pressure with my thumb to ensure it is even.
Step12:
Secure the retention bracket, X pattern following 1 > 2 > 3 >4. Initially you want to do two full turns on each of the screws. Once each screw has had two full turns to ensure the retention bracket is secured, you can drop to one full turn, keeping the X pattern going. This is the most difficult part and if not done correctly, you may get bad temperatures and contact issues. Just be patient, take your time and do not overtighten the screws. As soon as you feel resistance stop. If one screw seems to require a lot more tightening than the others, stop and start again as something is wrong.
Step13:
Re-attach the shroud using the five screws. Apply pressure to the shroud area just before you put the screw in. It can be easy to strip the screw head and or screw hole if not done properly.
Step14:
Re-attach the PCI bracket screws.
Step15:
We are finished. Time to get on your knees and pray to the holy lord that the PC boots up.
It took me three attempts to get a perfect mount and I've changed thermal paste on these Toxics a dozen times already over a few samples.
Initially I was using SYY 157 thermal paste. It's very thick and does a decent job as a placeholder.
Here is the GPU edge/junction temperature running Days Gone at 400W load, 2750/2850Mhz using SYY 157:
Ambient Temp: 19c
Edge Temp: 56c
Junction Temp: 80
Delta: 24c
Clock Frequency: 2747Mhz (throttling a little bit as GPU is hitting the 399W power limit)
Not bad, this was a lot better than the stock paste which was hitting 90c, but still not ideal.
Here is the GPU edge/junction temperature running Days Gone at 400W load, 2750/2850Mhz using Silver King Liquid Metal:
Ambient Temp: 20.5c
Edge Temp: 59c
Junction Temp: 70c
Delta: 11c
Clock Frequency: 2794Mhz (no throttling as the GPU is not hitting the 399W power limit)
Excellent results. Edge has creeped up a little, but as I believe I improved my overall contact on the mount, my junction temp has dropped 10c. Pretty happy with that, ambient temp had crept up a little too in this time.
Hope this helps anyone thinking about changing paste on the Toxic. Just remember that this will almost certainly void your warranty and you could potentially damage the GPU so only do it if you are comfortable and agree to the risks. I will say that in my personal opinion the risks are worth it so that the 6900 XT can really stretch its legs with overclocking.
Sapphire Toxic 6900 XT AIO Disassembly, Re-paste and Reassembly guide (sponsored by theregoesmywarranty.com)
As Juan Carlos likes to say in Far Cry 6, always use the right tool for the right job. Make sure you have a screwdriver set as you'll need a couple of different types of screw heads.
I also suggest you take note of GPU temperatures (Edge and Junction/Hotspot) running a game or benchmark so you have something to compare to. Try to keep ambient temperature similar so as to not affect the results. What we are looking for is a lower delta between edge and junction and a lower junction temperature overall.
Step1:
Remove the two screws from the PCI bracket.
Step2:
Remove the five screws from the shroud. Three on top, two on the bottom that are not shown below.
Step3:
Gently pull the shroud off. Be careful not to pull out the RGB, pump and fan wires which are all tucked in near the bottom right of the shroud.
Step4:
Turn the the GPU over and remove the retention bracket. Two full turns following the X patter in the order shown.
Step5:
Turn the GPU over again and gently lift the pump off the GPU die as shown below. Clean the thermal paste using a lint free cloth or similar and some isopropyl 99% alcohol or similar. Repeat for the copper baseplate on the pump.
Step6:
Clean GPU die and copper baseplate. I personally don't bother to clean the outsides of the GPU die as I'll be using liquid metal and I figure that gives it a little protection should a bit of liquid metal spill onto the nearby components. Some people clean it all up and put thermal tape over the components, it's up to you what you do here. If you are careful and don't apply too much liquid metal, my method works fine.
Step7:
Apply a half pea size drop of liquid metal. If you put on more than this, you can suck it back up using the liquid metal applicator shown in the second screenshot.
Step8:
Start spreading the liquid metal. You can use either the brush or the qtip, I prefer the qtip as it gives more control with the brush it is possible to flick some off the GPU die. Slow long strokes to spread it. If you followed my earlier tip and heated up the tube by resting it on the GPU radiator under load, it should spread fairly easily.
Step9:
Once complete, it should look something like this. I personally don't recommend putting a layer on the copper baseplate, a thin coating should give the overall best results.
Step10:
Gently Re-attach the pump to the GPU die.
Step11:
Turn the GPU over. The screw holes on the pump do not come through the PCB evenly unless you use a hand or finger to balance it all out. See the example below and then how I applied pressure with my thumb to ensure it is even.
Step12:
Secure the retention bracket, X pattern following 1 > 2 > 3 >4. Initially you want to do two full turns on each of the screws. Once each screw has had two full turns to ensure the retention bracket is secured, you can drop to one full turn, keeping the X pattern going. This is the most difficult part and if not done correctly, you may get bad temperatures and contact issues. Just be patient, take your time and do not overtighten the screws. As soon as you feel resistance stop. If one screw seems to require a lot more tightening than the others, stop and start again as something is wrong.
Step13:
Re-attach the shroud using the five screws. Apply pressure to the shroud area just before you put the screw in. It can be easy to strip the screw head and or screw hole if not done properly.
Step14:
Re-attach the PCI bracket screws.
Step15:
We are finished. Time to get on your knees and pray to the holy lord that the PC boots up.
It took me three attempts to get a perfect mount and I've changed thermal paste on these Toxics a dozen times already over a few samples.
Initially I was using SYY 157 thermal paste. It's very thick and does a decent job as a placeholder.
Here is the GPU edge/junction temperature running Days Gone at 400W load, 2750/2850Mhz using SYY 157:
Edge Temp: 56c
Junction Temp: 80
Delta: 24c
Clock Frequency: 2747Mhz (throttling a little bit as GPU is hitting the 399W power limit)
Not bad, this was a lot better than the stock paste which was hitting 90c, but still not ideal.
Here is the GPU edge/junction temperature running Days Gone at 400W load, 2750/2850Mhz using Silver King Liquid Metal:
Edge Temp: 59c
Junction Temp: 70c
Delta: 11c
Clock Frequency: 2794Mhz (no throttling as the GPU is not hitting the 399W power limit)
Excellent results. Edge has creeped up a little, but as I believe I improved my overall contact on the mount, my junction temp has dropped 10c. Pretty happy with that, ambient temp had crept up a little too in this time.
Hope this helps anyone thinking about changing paste on the Toxic. Just remember that this will almost certainly void your warranty and you could potentially damage the GPU so only do it if you are comfortable and agree to the risks. I will say that in my personal opinion the risks are worth it so that the 6900 XT can really stretch its legs with overclocking.
Soldato
Good guide it knocked 10-15c off my temps too from my post I did earlier in the thread.
Associate
Hey pal.
Unfortunately nothing I ever did could get me good performance in Caldera. I have found through a lot of research that many - if not most - owners of the 6900xt have this same problem with the Caldera map. I have tried everything - the only thing that prevented fps drops was to run everything at Very Low. Believe me, I've tried every possible fix. It's simply an issue of poor optimisation IMO. I don't know how else to explain it.
Fortunately I discovered that Rebirth is 1000x more fun than Caldera. I've literally been grinding Rebirth this entire time. I play it pretty much every day. At 1080p with everything maxed, I average 210fps.
I would suggest playing Rebirth and waiting for WZ 2 to release later this year. I don't know how you feel about it, but Caldera just isn't fun anyway. It's frustrating when you spend a lot of money on one of the best GFX card on the market and can'r get good performance in a BR, but unfortunately that's where we are at. But I get 200+fps consistently in both Multiplayer and Rebirth, so I know my card is fine.
Associate
- Joined
- 4 Oct 2017
- Posts
- 1,320
Any 6900XT owners planning on upgrading to the 6950XT or is it similar thoughts to 3090 owners changing for the Ti model?
I appreciate we don't know exactly what performance will be like but are some people not tempted regardless of performance and instead waiting for next gen cards?
I appreciate we don't know exactly what performance will be like but are some people not tempted regardless of performance and instead waiting for next gen cards?
Associate
No point spending new money on 2 years old tech at this stange.
Soldato
Its too close to the 6900xt to make it worth it. I intend to keep it for a while I`m not waiting for next gen cards I dont think the supply/price will be there.
Hell no, performance upgrade will be tiny, a few % at best.
Still regret buying a 6900xt, don't game enough to justify it, haven't even booted up my pc since late January. Just used my tablet since then and don't really miss the pc at all at this point.
Associate
- Joined
- 22 Nov 2020
- Posts
- 1,524
Have you got a MBA/reference one? They’re sweet
Nope, red devil. Was wanting a reference board but due to amd not knowing they had a uk store to stock I could never get one. Pack of udder jerkers.
Associate
- Joined
- 4 Oct 2017
- Posts
- 1,320
Is it gaming in general or pc gaming you’ve gotten bored of?
There are definitely times when I think what’s the point of gaming on pc, often it’s when I’m having to google for fixes to get games working properly.
Gaming in general, im 42 so pretty much seen it done it. Can't recall the last time I was looking forward to a games release, probably well over a decade ago by this point.
Associate
- Joined
- 4 Oct 2017
- Posts
- 1,320
I know the feeling. There’s not been anything that gets me excited but I think that’s more me than it is the gaming market. The last time I used to look forward to releases was probably the PS3 era.
The only fomo I get nowadays are the PS5 exclusives. But if I did have a ps5 I’d probably get bored of that.
I tend to spend more time testing games to see what performance I get and then move on as opposed to playing it.
Soldato
Yeah I'd got myself into a tizz about BF2042 and that turned out to be the worth BF game I've ever played... appalling graphics and appalling feel to it... so now, I'm back playing BF3/BF4 and Vanguard... tempted by Elden Ring but it's finding time to game nowadays!