Intel processors crashing Unreal engine games (and others)

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blckgrffn

Diamond Member
May 1, 2003
9,294
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www.teamjuchems.com
I remember people sticking with Intel 20+ years ago because the perception was Intel = stable and AMD = unstable. Where are these people today?
We joke but sometimes I still think this way. For some folks that give me the vibe it’s Intel/nvidia builds all the way. The couple I did like that semi recently I used 12th gen because the value was so good.

I feel like I dodged something here.
 

marcUK2

Member
Sep 23, 2019
81
68
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I recently upgraded a 12700 to a 14900 non-K. Is there any news on the non-k chips being degraded? For a couple of months I ran a 300W / 280 custom setting, but my workload was pretty medium most of the time. After some consideration I set it to 125W put the performance was terrible, so I settled on 250W for the moment, is this likely to be safe?
 

RnR_au

Platinum Member
Jun 6, 2021
2,043
4,954
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I recently upgraded a 12700 to a 14900 non-K. Is there any news on the non-k chips being degraded? For a couple of months I ran a 300W / 280 custom setting, but my workload was pretty medium most of the time. After some consideration I set it to 125W put the performance was terrible, so I settled on 250W for the moment, is this likely to be safe?
Maybe. Until Intel informs us all exactly what is going on, noone can really answer your question.

Anecdotal stuff here - but a guy on reddit said that he got rid of his stability issues at the 200W mark. What worked for one user may not work for others. But if you want to play is safe until Intel spills the beans I would screw down the wattage to the 200W mark.
 

coercitiv

Diamond Member
Jan 24, 2014
6,628
14,057
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I recently upgraded a 12700 to a 14900 non-K. Is there any news on the non-k chips being degraded? For a couple of months I ran a 300W / 280 custom setting, but my workload was pretty medium most of the time. After some consideration I set it to 125W put the performance was terrible, so I settled on 250W for the moment, is this likely to be safe?
We don't know the cause of the apparent degradation, so we can't establish a "safe" profile. However, there are things you can do to make sure the CPU is operating within the limits recommended by Intel. Start by updating your BIOS and then check all the settings below to make sure motherboard is configured properly.

You can use the values in the "Performance" column for a 250W configuration, but you need to make sure the current limits are also enforced (ICCMAX). Also make sure that CEP, eTVB, TVB and TVB Voltage Optimizations are enabled. The last few settings are essential for making sure the CPU uses less voltage under light loads.

 

Det0x

Golden Member
Sep 11, 2014
1,264
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Install the latest BIOS, even if it's beta and hope for the best.
Just saw this on the hwbot discord


Latest rumors also kinda points to its the ringbus on raptor lake thats failing, something which would also explain that its a random core (P/E) and/or memory controller etc the error log points to..
voltage tolerance for the ring clock did not translate with the jump from 12th to 13th gen
The ring got bigger due to more cores and more cache
Alongside more baseline voltage
 
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zir_blazer

Golden Member
Jun 6, 2013
1,192
487
136
Just saw this on the hwbot discord
View attachment 103086
What the hell does he means with "Microcode can't be undone"? Microcode is uploaded to Processor by Firmware about POST time (Nowadays can also be done by early OS boot) and goes in a sort of volatile patch RAM. It is not some kind of internal NVRAM.
UNLESS Microcode is blowing some kind of eFuses...

What I do recall is some kind of bug involving Intel XTU tool where changing the Uncore/Cache was sorta permanent and required a full Firmware reflash, since settings are stored in NVRAM but the Firmware itself doesn't clear whatever setting XTU was changing. There were multiple reports about that one, and I have memories of having personally encountering it.
 

RnR_au

Platinum Member
Jun 6, 2021
2,043
4,954
106
Just saw this on the hwbot discord
View attachment 103086
I guess that is one way to deal with this situation. Just keep getting RMA's if you need it. Keep those benching scores intact... for as long as you can. But if performance is radically altered, Intel is leaving themselves open to a class action.
 

SteinFG

Senior member
Dec 29, 2021
642
770
106
Long-term, RPL will be the cheap perf/$ chip, and if intel continues to rely on it to sell in volume, they really need to do something about it, and I don't mean recaling or cancelling. What's needed is another stepping that fixes degradation issues, or new low-voltage SKUs.
If the problem is really in voltage, they should just make another Refresh, but with 1.35v on vcore as max. Will probably max out at 5.3-5.4 GHz, but that's fine for perf/$ oriented part.
13900K (5.8 GHz) -> 14900K (6.0 GHz) -> i9 14900K-R / Core 9 180 (5.4 GHz)
13700K (5.4 GHz) -> 14700K (5.6 GHz) -> i7 14700K-R / Core 7 160 (5.3 GHz)

It's honestly mind-boggling how intel decided to jump so hard from 12900K's 5.2 GHz boost to Raptor lake i9s and their 5.8-6.2 GHz boosts. Ryzen 7000 irrationally scared them with its 5.7 GHz boost.
 
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blckgrffn

Diamond Member
May 1, 2003
9,294
3,436
136
www.teamjuchems.com
We don't know the cause of the apparent degradation, so we can't establish a "safe" profile. However, there are things you can do to make sure the CPU is operating within the limits recommended by Intel. Start by updating your BIOS and then check all the settings below to make sure motherboard is configured properly.

You can use the values in the "Performance" column for a 250W configuration, but you need to make sure the current limits are also enforced (ICCMAX). Also make sure that CEP, eTVB, TVB and TVB Voltage Optimizations are enabled. The last few settings are essential for making sure the CPU uses less voltage under light loads.

View attachment 103085
I just want to say, as someone who has tried to enable XMP and then still reign in Intel chips with power limits and all the rest for the last five or so generations, all this hoop jumping is ridiculous. Given how UEFI interfaces use their own lingo (side eye at ASUS) to further obfuscate this stuff, its felt darn near impossible. Intel not only pushed their chips too hard it seems, they let OEM's cook how their CPUs are configured for way too long. IMO.

Usually I can find the power limits and I set them to the ARK limits so like 125W long limit and 190W or whatever short limit with an actual time limit set. Now, without hitting all the bogeys does it even kick in? I used to install the Intel overclocking utilities, load up some distributed computing projects and make sure it honored both the limit and time limit as well. Too much work to verify settings though IMO.

If not set by default, there should be a clear "Enable Intel Configuration Baseline" or something as a box to check that should work along side of XMP for a quick double tap in the UEFI and continue on with your day.

Maybe AMD does the same thing, I dunno, but I've never felt I had to fight it that hard. Enabling the California & ERP (?) power compliance features seem to really tie it down quick.
 
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alcoholbob

Diamond Member
May 24, 2005
6,310
355
126
Maybe. Until Intel informs us all exactly what is going on, noone can really answer your question.

Anecdotal stuff here - but a guy on reddit said that he got rid of his stability issues at the 200W mark. What worked for one user may not work for others. But if you want to play is safe until Intel spills the beans I would screw down the wattage to the 200W mark.

Some people think its a core boost issue causing the degradation, similar to AMD boosting Zen 2 single core boost too high and causing degradation/accelerated aging. If that's the case, power limits wouldn't solve the issue, since 1-2 cores would never hit that high of a power consumption alone, you would have to lock down the single core boost clocks as well as limit the voltages as well.
 

Saylick

Diamond Member
Sep 10, 2012
3,513
7,773
136
I have to wonder, when ARL launches and RPL gets price cuts, will reviewers re-bench RPL if there's a clock speed reduction? If so, it's going to make those arguments that RPL is the best bang-per-buck gaming CPU harder to sell...
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
29,565
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I have to wonder, when ARL launches and RPL gets price cuts, will reviewers re-bench RPL if there's a clock speed reduction? If so, it's going to make those arguments that RPL is the best bang-per-buck gaming CPU harder to sell...
Not many buying the argument as is. It's a nice soft shoe, but few are throwing money in the hat. a TPU poll that closed October last year already had almost as many respondents using 3D as all Intel CPUs combined. https://www.techpowerup.com/forums/...-an-amd-ryzen-x3d-cpu-with-3d-v-cache.312452/

The 7800X3D has dominated sales since, and even Zen 3 3D often cracks the top 5. It is clear gamers have not been buying the sales pitch.

If whatever the fix is for the degradation and crashing lowers performance any more than the extreme profile already tested, sales numbers will get much worse.
 

Ranulf

Platinum Member
Jul 18, 2001
2,524
1,593
136
This guy has some interesting info, he's gotten his 14900k stable before the intel bios recommendations. Turned off MCE, Asus AI, lower llc. "Should be considered lucky as I'm not part of the group hit with problems".

Random theory: Maybe this issue is why Intel changed their cpu naming schemes last year.

 

blckgrffn

Diamond Member
May 1, 2003
9,294
3,436
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www.teamjuchems.com
LMAO - I actually chuckled because 1) it called out ASUS on some "feature" only their boards seem to have, probably something else with a custom name and 2)setting it does what? and its not safe? what?

Peak stupidity of how Intel didn't put enough of a leash on how their CPUs could be supported in motherboards. In the last decade they could have easily mandated that every Intel board include a fail safe profile, required common nomenclature for all features, and generally made sure that end customers didn't get nasty "warranty voiding" surprises.

But no. And here we are. Ridiculous.
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
29,565
24,443
146
The doc speculating on why the socket latch could be part of the problem -

" I'm talking about torsional twist exacerbating the issue - i.e finding the root cause, not the symptom."


How does that explain laptops with the issues?

On a humorous note/pure satire: The doc is obviously guerrilla marketing for Roman and going to get a nice kickback on all of the contact frames he is about to sell.
 
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