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The Radeon RX 6900/6950 XT Owners Thread.

jtredux said:
Just been playing Metro Exodus Enhanced - now obviously this GPU should be able to eat up every current game, but wow how pretty this is. Not 60Hz with all the raytracing on at 3440x1440 but plenty playable at 45+ with loads of bells and whistles.
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Hz is the not the same as FPS dont get the two confused - they are related/linked but Hz does not equal fps ;) I think you meant 60fps not 60Hz but I get what you mean. :)
 
varkanoid said:
Hz is the not the same as FPS dont get the two confused - they are related/linked but Hz does not equal fps ;) I think you meant 60fps not 60Hz but I get what you mean. :)
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Yes but no but yes but no but ;)

Hz literally means per-second. You're right, I could have used clearer terminoligy, but beer. Not 60 FPS, but playable is what I meant to say. Not the 100Hz my monitor can do is another matter ;)

Just paid for Death Stranding but it crashes as soon as I fire it up :(
 
varkanoid said:
I dont think its dropping any performance in games. Plus the 85 point different in Port Royal suggests performance is not dropping off that much. Only tried Days Gone as I just completed it so its a good benchmark and I know it heavily taxes the GPU. I was getting around 2400-2450mhz around 100fps with my junction hitting 86c but after the undervolt I`m still getting 100fps but around 2350mhz GPU with junction 77c. Its not quieter that I`m after its cooler whilst maintaining at least same level of noise.

Strange thing is 3080fe I was getting 120-140fps. Probably an Nvidia optimised game.



Very interesting I will have a play later
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Nah, you are definitely losing performance vs MAX OC. Days Gone is an UE4 game with many issues with AMD cards. Don't take that as a benchmark and like mentioned in my previous post, I was talking about actual games. Port Royal might not show that much of an increase/decrease with frequency OC at that level. I am able to gain around 10% more performance in Cyberpunk with my OC compared to stock. Hey, but if you are happy with the current setting then go with it.
 
jtredux said:
Just been playing Metro Exodus Enhanced - now obviously this GPU should be able to eat up every current game, but wow how pretty this is. Not 60Hz with all the raytracing on at 3440x1440 but plenty playable at 45+ with loads of bells and whistles.
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Yeah, Finished Metro EE on Ultra settings at 1440p and apart from few instances (there was one where I was getting 30 FPS), it was a good experience, FPS wise. While the story and gameplay of the game are crap, RT effects have truly impressed me for the first time in a game. CyberPunk2077 in a few instances can look good but overall it's just meh. Maybe with FSR and Full RT enabled for a long session I would see some meaningful differences.
 
Abhishek Shukla said:
Nah, you are definitely losing performance vs MAX OC. Days Gone is an UE4 game with many issues with AMD cards. Don't take that as a benchmark and like mentioned in my previous post, I was talking about actual games. Port Royal might not show that much of an increase/decrease with frequency OC at that level. I am able to gain around 10% more performance in Cyberpunk with my OC compared to stock. Hey, but if you are happy with the current setting then go with it.
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No I've gone back to default something not right even if I undervolt it like 25mv Timespy fails. This is 2nd time I've gone AMD in about 20 years (although briefly I had a 290. Last time was 5700xt, very happy with the card just left it at stock. Dont see point in overclocking much anymore the cards are fast enough I`ll probably just leave the 6900xt at stock.
 
varkanoid said:
No I've gone back to default something not right even if I undervolt it like 25mv Timespy fails. This is 2nd time I've gone AMD in about 20 years (although briefly I had a 290. Last time was 5700xt, very happy with the card just left it at stock. Dont see point in overclocking much anymore the cards are fast enough I`ll probably just leave the 6900xt at stock.
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Restore to default in GPU Tuning and restart the system. Timespy can sometimes glitch out I've found and crash even at stable settings.
 
@LtMatt Just ordered a new motherboard to get the physics numbers up. MSI B550 Unify. Should do the job with 12x 90a for the CPU lol. The Unify X is the 2 slot super ram oc monster but needed 4 slots so got the standard Unify. Fingers crossed it's worth all the work to change it over!? Just had one question, which driver have you found gives the best numbers in firestrike, noticed you used 21.4.1 on our best run.
 
Chud_Jenny said:
@LtMatt Just ordered a new motherboard to get the physics numbers up. MSI B550 Unify. Should do the job with 12x 90a for the CPU lol. The Unify X is the 2 slot super ram oc monster but needed 4 slots so got the standard Unify. Fingers crossed it's worth all the work to change it over!? Just had one question, which driver have you found gives the best numbers in firestrike, noticed you used 21.4.1 on our best run.
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Nice new board should help a bit.

I’m not sure which is best I think it varies per user. Some say 21.3.1 due to getting a higher overclock but I had most success with 21.4.1.

I generally just use the latest tbh. I’ll be using 21.5.2 for my next Runs.
 
LtMatt said:
Nice new board should help a bit.

I’m not sure which is best I think it varies per user. Some say 21.3.1 due to getting a higher overclock but I had most success with 21.4.1.

I generally just use the latest tbh. I’ll be using 21.5.2 for my next Runs.
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Cheers for getting back to me so quickly. I used 21.5.2 on my runs in the week. Should get my system ram speed up on the new board too with a bit of luck.
 
Chud_Jenny said:
Cheers for getting back to me so quickly. I used 21.5.2 on my runs in the week. Should get my system ram speed up on the new board too with a bit of luck.
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If you spend the time, and it will take time, to fine tune curve optimizer you should have no trouble breaching 41000 points on the Firestrike threads with the 5950X with just PBO enabled.

What takes the time is you have instability under load and then light load to mitigate. And it is often the latter that proves so tricky to get long term stable.

You need to have each CPU core at its limit before instability occurs. Took me months to get it all fine tuned, now I'm reaping the rewards. I've got close to 42500 before with the 6700 XT in the system. :)
 
LtMatt said:
If you spend the time, and it will take time, to fine tune curve optimizer you should have no trouble breaching 41000 points on the Firestrike threads with the 5950X with just PBO enabled.

You need to have each CPU core at its limit before instability occurs. Took me months to get it all fine tuned, now I'm reaping the rewards. I've got close to 42500 before with the 6700 XT in the system. :)
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I've done all that on the current board. The vrm is very poor with just a 200w hard limit and half of that is lost to heat lol. I've got the gold cores on the least undervolt, silver a little more and the rest more again. Gets me to 30k in cb23. The vrm is so inefficient if you hit it with Aida 64 it hits over 100c, around 50w is been lost to heat so I could get a nice uplift on the new board. It's 12 true phases with no doubling too. Total overkill!
 
Chud_Jenny said:
I've done all that on the current board. The vrm is very poor with just a 200w hard limit and half of that is lost to heat lol. I've got the gold cores on the least undervolt, silver a little more and the rest more again. Gets me to 30k in cb23. The vrm is so inefficient if you hit it with Aida 64 it hits over 100c, around 50w is been lost to heat so I could get a nice uplift on the new board. It's 12 true phases with no doubling too. Total overkill!
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Yeah you definitely need a decent board to max it out. Using a Crosshair VIII Hero here so it's right up there with the best.

I look forward to seeing what you can squeeze out of the new board. :)
 
LtMatt said:
Yeah you definitely need a decent board to max it out. Using a Crosshair VIII Hero here so it's right up there with the best.

I look forward to seeing what you can squeeze out of the new board. :)
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Ye, at least cooling isn't an issue. The ambient is a bit toasty though currently isn't it.
It's been fun on the flight path from Newquay airport, Biden flew over this afternoon.
 
I am running a Ryzen 9500x with a 360 aio and 6 additional case fans. I am thinking of getting the RX 6900XT Red Devil Ultimate, but i am unsure whether my PSU is up to the job, especially if i want to do some heavy overclocking on the card and a light tweak to the CPU. My current PSU is a brand new EVGA Super Nova G3 850W. I feel that this should be more than enough, but i have read a lot of conflicting information, especially with people refering to power spikes. Is anyone able to put the matter to rest for me.
 
Josh Racey said:
I am running a Ryzen 9500x with a 360 aio and 6 additional case fans. I am thinking of getting the RX 6900XT Red Devil Ultimate, but i am unsure whether my PSU is up to the job, especially if i want to do some heavy overclocking on the card and a light tweak to the CPU. My current PSU is a brand new EVGA Super Nova G3 850W. I feel that this should be more than enough, but i have read a lot of conflicting information, especially with people refering to power spikes. Is anyone able to put the matter to rest for me.
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That's a quality PSU with a 70.8A 12v rail. With a PBO oc on a 5900x that's 200w, and worst case for a 6900xt with a increased power limit is 400w. So 650w is very unlikely for the whole system unless you where stress testing the CPU and GPU at the same time to 100% loads. Even then that allows 200w of headroom.
 
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