Sammelthread Big Navi RX 6700XT/6800(XT)/6900XT Overclocking/Undervolting

Verak Drezzt schrieb:
kann es sein dass es CPU limitiert ist ? weil komme auch nicht über 95% GPU Auslastung hinaus
vllt. hängts auch vom Treiber ab?
mein nichtvalidierter UWP-Treiber hat ne gute Auslastung@DX12
130W+200W sind Beide ungefähr gleich gut ausgelastet mit meinem mickrigen i5-9400F
sprich, es wurde mit 200W nicht schlechter


Mal abwarten, ob AMD in nem späteren WHQL auch nachbessert.

btw.
Den ExplorerMode muss ich mal noch erkunden, ... habe dafür auch AFMF=on,
weil sonst 4k zu happig ist für mein 24/7@130W.
 

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@GerryB why won't Steel Nomad run on my system? Timespy works fine, but when I run the new benchmarks, I just get an error message saying results missing.
 
This is a failure of the UL = Bullshit-Server!

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For me it´s not possible to upload a older saved result.
sometimes a run goes properly and sometimes not, who knows what they are doing
server to small?


today
two Runs, one is ok and one has the non-web message in the red triangle
 

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For me, the benchmark doesn't even run; it just skips to the result screen immediately and says "error result missing." I tried multiple drivers to no avail.
 
may be, the failure is not GPU bound

new 3dMark install
and
CPU+RAM @ safe settings
 
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Screenshot 2024-05-22 153905.png

What's the ratio of the Steel Nomad score to TimeSpy? I can't tell if this score is good or not. Steel Nomad Light is much easier to run than TimeSpy, though it's not a good test for stability.
 
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cra3khead schrieb:
Steel Nomad Light is much easier to run than TimeSpy, though it's not a good test for stability.
1+

It´s only a easy way to test with 300W+. because of the short run, ... probably without throttle.
Compare your Score with other CB-Users.
https://www.computerbase.de/artikel/apps/3dmark-steel-nomad-community-benchmark.88184/

Can you go for higher maxClock?
try mooore volt as Boost-Setting

6900trio.jpg

=345W, with a little bit luck and highest Cooler RPM as a short test OK

The reason for your bad Score per Watt could be seen in the flat Clock, = no Boost in sceneparts where
Watts are free.

für example: ... clock can get higher in some parts of the run, thats the Boost
nonflat clock.png
 
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GerryB schrieb:
Can you go for higher maxClock?
try more volt as boost setting

Anhang anzeigen 1486636
=345W, with a little bit luck and highest Cooler RPM as a short test OK
The highest I can do at 1175mv is 2770MHz, but that requires almost 400 watts to sustain; that is that is not possible on my cooler. What I find weird is that Steel Nomad, either light or regular, allows for like 30MHz above TimeSpy at each respective voltage level. I'm trying to find a stable setting for exactly 280 Watts; I had 1050mv at 2565MHz, which does 230 Watts in game load, and 1100mv at 2650MHz, which peaks at 300 Watts in game load. I'm trying 1075mv at 2600MHz, but before, I used to be able to do 2625MHz, maybe a specific driver I had back then allowed the card to run at unstable settings. I feel like I'm doing something wrong because only 2600 is stable now. In Steel Nomad, I can do 2635 MHz, which is how I noticed it being bad for stability tests.

BTW, it's summer in Texas, which is not exactly good for ambient temperatures for benchmarking on an air cooler. That's why I came here to see how to undervolt.
 
cra3khead schrieb:
The highest I can do at 1175mv is 2770MHz, but that requires almost 400 watts to sustain
No!
You need not a sustain clock over the run. Thats a dumb flat clock.(with too high temps)

What you need is a dynamic clock with boost in parts with lower watts.
 

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Wtf, now 1075mv isn't stable at 2600Mhz in my second run of TimeSpy. What's going on? I tried 1062mv at 2575Mhz since 1050/2565 was stable, but it crashed at the satellite. Am I stuck with just 2.5Ghz? Even your card can do 2560 at 1025mv.

1125mv is too power-hungry; I did 1100mv at 2650MHz, but I can't tell if it's fully stable.
 
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cra3khead schrieb:
but it crashed at the satellite
Yes, crash there means the max clock is tooo high. (try 10..15...20MHz less)
cra3khead schrieb:
1125mv is too power-hungry; I did 1100mv at 2650MHz, but I can't tell if it's fully stable.
you should try this only in nomad light@dx12
This is only fun to get a get a good number in the 6900 HoF.
(means nothing @ 24/7 gaming stability)
 
cra3khead schrieb:
Wtf, now 1075mv isn't stable at 2600Mhz in my second run of TimeSpy. What's going on? I tried 1062mv at 2575Mhz since 1050/2565 was stable, but it crashed at the satellite. Am I stuck with just 2.5Ghz? Even your card can do 2560 at 1025mv.

1125mv is too power-hungry; I did 1100mv at 2650MHz, but I can't tell if it's fully stable.
Why always with the crowbar? Better a little less power, but prefer more economical, quieter, cooler and more durable 😉
 
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24/7 gaming is important
but
just for fun
He wants a good Number in the HoF.
therefore a short run with a extra special setting, to see what the chip can do
in TEXAS with the high Temps not so easy
 

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GerryB schrieb:
He wants a good Number in the HoF.
LOL

@GerryB Is there an easier way to find Fmax for a specific voltage instead of running TimeSpy, waiting for a crash, then doing it again and again until I can find the right clock speed?
 
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Why do you test with TS?
Do you really 24/7 play with 281W ?

this takes more Watt then Games, and in Games(x) may be, goes 10MHz more at my 6800, ... like TSE
and
is also very different to Nomad light or Port Royal

OK,
TSE takes more Watt then TS, but is easier with MHz/V stable.

(x) as Game may be, Hellblade II is not bad as Test (this game is available in gamepass)
it´s possible, that in real games not so much UV runs, ... first check a little bit more Volt in AdrenalinPaneel
and second less maxClock
 

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GerryB schrieb:
(x) as Game may be, Hellblade II is not bad as Test (this game is available in gamepass)
I just finished Hellblade 2 last night at 4K High Settings TSR "Ulta Quality" (77%). I was getting like 35fps at the lowest, but usually around 50/60fps, which is my TV's max refresh rate; at 1440p UW, I was getting like 70. Using 1050mv at 2565MHz, which was stable throughout the throughout the whole playthrough using around 230–250 Watts.
GerryB schrieb:
Why do you test with TS?
Do you really 24/7 play with 281W ?
I would prefer a configuration that required 260–270 Watts and gave me 2.6GHz, but I'll need to keep dreaming for that. TimeSpy is the most demanding test I know of, so usually if it passes, it's like an 80% probability of being stable. I used to use Superposition because it was way shorter than TimeSpy, but passing Superposition gives me like a 25% probability of the card being stable.

Screenshot 2024-05-23 135309.png


295 Watts :/ barely an increase over my 1050mv/2565Mhz setting.

What does it mean if the intro sequence skips midway through when the astronaut shoots the dragon thing?
 
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cra3khead schrieb:
What does it mean if the intro sequence skips midway through when the astronaut shoots the dragon thing?
may be, a fast Clock change, too fast with the min Volt or need more minClock, to be stable
I don´t know, because I bought the 3dMark full.
(better temps with only GT1+2)
 
try MCT: minClock 2048MHz
that´s seems a little bit more then the Dip at the end of demo

Screenshot 2024-05-23 135309.png
 
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