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The Radeon RX 6900/6950 XT Owners Thread.

LtMatt said:
The TL : DR is - I wanted the best.

It started with a 6800 XT MBA, as that was all I could get at the time.

Then i snagged a 6900 XT MBA, but I wanted the 6900 XT Merc but it was not sold in the UK.

Then i snagged a B grade Merc as it was all i could get. But i wanted warranty...

Then i snagged another Merc with a three year warranty.

Then the XTXH was launched. I wanted one of those for the extra voltage headroom.

Here we are in present day. I am done, for now. :D
Click to expand...

And it's not like you lose any money on swapping cards in this climate either.
 
LtMatt said:
For the roll of honour please @Kaapstad. :)

D6ztfCE.jpg

My impressions:

Decided to move on my 6700 XT and 6900 XT Merc golden samples and switch to a Sapphire Toxic Extreme XTXH 6900 XT. Cheers @Gibbo and OcuK. First graphics card purchased from here for a while. :)

This card is really nicely built and looks fantastic with all the RGBs going. AIO pipes ruin the look a bit, but other than that looks wise it is lovely.

The actual graphics card is smaller than i was expecting and it looks tiny compared to the Merc 6900 XT it replaced.

In terms of noise and temperatures it delivers excellent temperatures up there with true water cooling and it is quiet. Silent on the power saving BIOS and quiet on the performance BIOS at 38% fan speed.

It is loud above 40% fan speed so I can see why some other users on other forums replaced the fans. I like the RGB look of the fans so I will keep them, however I like quiet in my man cave so I will run it at a max of 38% fan speed as even going balls to the wall it can keep the hotspot temp around 80c average and peaking at 85c.

38% fan speed is enough to play games at a locked core clock speed of 2750Mhz+ (500Mhz over MBA 6900 XT on the core clock) with the memory running at 2162Mhz.

Settings
LtrsIZG.png

It is disgustingly fast at these clock speeds and something air cooled cards just cannot do. When i say fast, it is now beating out LN2 and Chiller/water cooled 3090's on Timespy, Firestrike Extreme and Ultra in graphics score on 3DMark. @Besty

AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)
AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)
AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)

Power usage (PPT metric in HWINFO64) is anywhere from 350-400W in games at these clocks and it doesn't even have to work hard to achieve these speeds and keep low temps.

Would I recommend it? For the regular gamer no, It's just too expensive.

However, if you want the best (and it is the best I've used a lot of 6900 XTs) and you like to benchmark and/or you want to run games at the highest possible resolutions, clock speeds with no compromises (in terms of noise, temperatures or performance/FPS ) then I would recommend it.

Now I need to find a new home for the fastest golden sample XFX Merc 6900 XT round these parts. :( @djay It served me well.
Click to expand...

WoW Ltmatt! Good Buy excellent choice ! Hope to get better and better scores and fun with it ! :)
 
Gerard said:
So people are paying full price for used cards now? :confused: not as if the 6900xt is as hard to come by as it was.
Click to expand...

No it's not hard to come by. In fact, there are plenty of places in the UK that have stock. The problem is though, try finding any of them sell any they actually have in stock for much under £1600. Even my local Indian has red devils at £1570, anything else is £1700 or above.
I never paid that price for mine............but if i wanted to do what @LtMatt has done..................i would do it without blinking an eye. Why ? because the way the market is now is a perfect time for a serious bencher to change cards without loosing money. It's the first time it has happened in over 20 years for me and i'm defo thinking about it,
 
Don't suppose I could request a favour from some of you gentlemen, the next time you play a game would you mind keeping an eye on the gpu clocks and just letting me know if they fluctuate, could just be a red herring, but it's hard to go fishing solo.
 
LtMatt said:
For the roll of honour please @Kaapstad. :)

D6ztfCE.jpg

My impressions:

Decided to move on my 6700 XT and 6900 XT Merc golden samples and switch to a Sapphire Toxic Extreme XTXH 6900 XT. Cheers @Gibbo and OcuK. First graphics card purchased from here for a while. :)

This card is really nicely built and looks fantastic with all the RGBs going. AIO pipes ruin the look a bit, but other than that looks wise it is lovely.

The actual graphics card is smaller than i was expecting and it looks tiny compared to the Merc 6900 XT it replaced.

In terms of noise and temperatures it delivers excellent temperatures up there with true water cooling and it is quiet. Silent on the power saving BIOS and quiet on the performance BIOS at 38% fan speed.

It is loud above 40% fan speed so I can see why some other users on other forums replaced the fans. I like the RGB look of the fans so I will keep them, however I like quiet in my man cave so I will run it at a max of 38% fan speed as even going balls to the wall it can keep the hotspot temp around 80c average and peaking at 85c.

38% fan speed is enough to play games at a locked core clock speed of 2750Mhz+ (500Mhz over MBA 6900 XT on the core clock) with the memory running at 2162Mhz.

Settings
LtrsIZG.png

It is disgustingly fast at these clock speeds and something air cooled cards just cannot do. When i say fast, it is now beating out LN2 and Chiller/water cooled 3090's on Timespy, Firestrike Extreme and Ultra in graphics score on 3DMark. @Besty

AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)
AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)
AMD Radeon RX 6900 XT video card benchmark result - AMD Ryzen 9 5950X,ASUSTeK COMPUTER INC. ROG CROSSHAIR VIII HERO (3dmark.com)

Power usage (PPT metric in HWINFO64) is anywhere from 350-400W in games at these clocks and it doesn't even have to work hard to achieve these speeds and keep low temps.

Would I recommend it? For the regular gamer no, It's just too expensive.

However, if you want the best (and it is the best I've used a lot of 6900 XTs) and you like to benchmark and/or you want to run games at the highest possible resolutions, clock speeds with no compromises (in terms of noise, temperatures or performance/FPS ) then I would recommend it.

Now I need to find a new home for the fastest golden sample XFX Merc 6900 XT round these parts. :( @djay It served me well.
Click to expand...


Welcome and on TROH.:)



The Roll of Honour.


XM8L91W.png


Date 18/07/2021, Make Sapphire Toxic Ult, LtMatt, Link
Date 06/07/2021, Make XFX Merc 319, dvinell, Link
Date 29/06/2021, Make PowerColor Liquid Devil Ult, Too Tall, Link
Date 26/06/2021, Make ASRock Phantom, CantingSoup, Link
Date 26/06/2021, Make Gigabyte Aorus Xtreme, amigafan2003, Link
Date 26/06/2021, Make Gigabyte Gaming, Loxa, Link
Date 26/06/2021, Make AMD Reference, Harlequin, Link
Date 23/06/2021, Make PowerColor Red Devil Ult, Josh Racey, Link
Date 23/06/2021, Make PowerColor Red Devil, FredFlint, Link
Date 23/06/2021, Make PowerColor Red Devil, human_error, Link
Date 09/06/2021, Make PowerColor Red Devil, varkanoid, Link
Date 06/06/2021, Make XFX Merc 319, Supra_Hadouken, Link
Date 05/06/2021, Make Sapphire Nitro+, BGA84, Link
Date 04/06/2021, Make Sapphire Nitro+, robin66, Link
Date 04/06/2021, Make Gigabyte Aorus Master, HDR247, Link
Date 04/06/2021, Make Sapphire Nitro+, DocJekl, Link
Date 12/05/2021, Make Sapphire Nitro+, Ryder_1990, Link
Date 07/05/2021, Make Sapphire Toxic, Bazooka301, Link
Date 02/05/2021, Make PowerColor Red Devil, Sky01454, Link
Date 16/04/2021, Make AMD Reference, Chud_Jenny, Link
Date 15/04/2021, Make AMD Reference, Scramz, Link
Date 14/04/2021, Make Gigabyte Gaming, Scramz, Link
Date 30/03/2021, Make Sapphire Nitro+, BKUK, Link
Date 18/03/2021, Make Sapphire Nitro+, xR00Tx, Link
Date 16/03/2021, Make AMD Reference, Sumanji, Link
Date 11/03/2021, Make PowerColor Red Devil, mikehhhhhhh, Link
Date 09/02/2021, Make AMD Reference, Pourma, Link
Date 06/02/2021, Make PowerColor Red Devil, John Mike, Link
Date 04/02/2021, Make PowerColor Red Devil, djbully, Link
Date 04/02/2021, Make Sapphire Nitro+, atomic7431, Link
Date 03/02/2021, Make AMD Reference, snips86x, Link
Date 03/02/2021, Make XFX Merc 319, LtMatt, Link
Date 03/02/2021, Make AMD Reference, SumpNut, Link
Date 03/02/2021, Make Asus Strix LC, JediFragger, Link
Date 31/01/2021, Make PowerColor Red Devil, littlepuppy, Link
Date 30/01/2021, Make AMD Reference, ExRayTed, Link
Date 27/01/2021, Make AMD Reference, wookiee87, Link
Date 26/01/2021, Make AMD Reference, muziqaz, Link
Date 26/01/2021, Make AMD Reference, Conanius, Link
Date 24/01/2021, Make PowerColor Red Devil, eeii, Link
Date 23/01/2021, Make PowerColor Red Devil LE, Too Tall, Link
Date 15/01/2021, Make AMD Reference, Overlag, Link
Date 14/01/2021, Make XFX Merc 319, Seanoog, Link
Date 14/01/2021, Make PowerColor Red Devil, Heofz, Link
Date 13/01/2021, Make XFX Merc 319, ch99mr, Link
Date 10/01/2021, Make AMD Reference, Breezer, Link
Date 10/01/2021, Make XFX Merc 319, ronski, Link
Date 07/01/2021, Make AMD Reference, Biffa, Link
Date 06/01/2021, Make PowerColor Red Devil, heartburnron, Link
Date 04/01/2021, Make Sapphire Nitro+, Mister_tangerine, Link
Date 01/01/2021, Make Sapphire Nitro+, Jumper118, Link
Date 01/01/2021, Make AMD Reference, Jumper118, Link
Date 31/12/2020, Make AMD Reference, NathG79, Link
Date 30/12/2020, Make PowerColor Red Devil, Nugsy88, Link
Date 27/12/2020, Make AMD Reference, LtMatt, Link
Date 26/12/2020, Make AMD Reference, Abhishek Shukla, Link
Date 24/12/2020, Make AMD Reference, ch99mr, Link
Date 24/12/2020, Make Sapphire Nitro+, hornytoe, Link
Date 23/12/2020, Make AMD Reference, Diplodocus, Link
Date 23/12/2020, Make AMD Reference, DeathStorm, Link
Date 23/12/2020, Make PowerColor Red Devil, Jonnym28, Link
Date 17/12/2020, Make AMD Reference, DustyMiller, Link
Date 16/12/2020, Make AMD Reference, Curlyriff, Link
Date 16/12/2020, Make AMD Reference, Chewie, Link
Date 16/12/2020, Make AMD Reference, Too Tall, Link





To get on the Roll of Honour all you have to do is post a pic with your user name on it of your Radeon RX 6900 XT.​
 
Too Tall said:
@amigafan2003 what sort of clocks have you been getting out of your Aorus Xtreme? Is it a watercooled card?
Click to expand...

2755 TS stable. It is watercooled. Might need to repaste it though - it regularly hits 95c jct when pulling 400w.

Then again, the system is also cooling a 300w for the cpu as well, so maybe it's expected, I dunno. Trying to shed 700w is tough.
 
amigafan2003 said:
2755 TS stable. It is watercooled. Might need to repaste it though - it regularly hits 95c jct when pulling 400w.

Then again, the system is also cooling a 300w for the cpu as well, so maybe it's expected, I dunno. Trying to shed 700w is tough.
Click to expand...

Thanks, what voltage is that at?

What's your radiator setup?

@GIGA-Man

Will we encounter any warranty issues if we want to remove the cooler to re-paste?
 
Too Tall said:
Thanks, what voltage is that at?

What's your radiator setup?

@GIGA-Man

Will we encounter any warranty issues if we want to remove the cooler to re-paste?
Click to expand...

That's at 1.2v, power at +15% and 450w in mpt. FYI, it throttles at 95c like a lot of other xtxh cards.

Rads are 240 + 160 + 2x120.
 
If you want to fine tune your memory overclock on RX6000 series for best possible performance I find Timespy to be a good indicator of the sweet spot.

Go too high on the memory clock and you lose performance. Go too low and you miss out on potentially hundreds of graphics points.

Here is something you can follow to try and squeeze out every last drop of memory performance on your RX6000 series GPU.

1. Use stock core clock and voltage for your GPU. Make sure you use a fan speed that will not allow any throttling.
2. Make sure you are not power limited using MPT.
3. Make sure you have minimal background apps running.
4. Do a Timespy run using stock core clock and memory clock.
5. Note down the memory speed/graphics score at the end of the Timespy run in Notepad or whatever.
6. Repeat step 5, this time using 2075Mhz, then go 2100Mhz. Repeat in 25Mhz increments until you get to 2150Mhz.
7. At some point performance will start to drop, somewhere between 2100-2150Mhz usually for most people, though there have been cases where a few lucky can go higher still.
8. Once you see a score decrease, continue playing with the memory in small increments (4-6-10 Mhz increments until you reach the sweet spot where you maximise graphics score without hurting performance.

For my Merc 6900 XT, the sweetspot was 2124Mhz. For the Sapphire Toxic, the sweetspot is bang on 2150Mhz. YMMV.

I'd already done testing when benching 3DMark so i knew 2110Mhz was good so I started at 2124Mhz. Results below.

xvoHyZZ.png
 
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