Intel processors crashing Unreal engine games (and others)

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Majcric

Golden Member
May 3, 2011
1,373
40
91
What are your usage patterns?

Tinkered with any mobo settings or is it running at its factory default settings?
Benchmarking and gaming. Cinebench stress test is the heaviest load. (30mins)

Motherboard is at factory settings with XMP enabled. I'll never overclock this chip, if anything I'll just undervolt for better temps.
 

DrMrLordX

Lifer
Apr 27, 2000
21,709
10,983
136
One question that comes to my mind: is cooling a variant when it comes to these CPUs being unstable? How many of these 13900k/s and 14900k/s users have full custom water or similar and can keep temps low even at full load? These CPUs are insanely difficult to cool.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
25,639
14,629
136
One question that comes to my mind: is cooling a variant when it comes to these CPUs being unstable? How many of these 13900k/s and 14900k/s users have full custom water or similar and can keep temps low even at full load? These CPUs are insanely difficult to cool.
That should not needed for a stock Intel CPU. Just a decent aftermarket air cooler. The problem is that "stock" includes wattages far above the advertised 253 watts.
 
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Kepler_L2

Senior member
Sep 6, 2020
383
1,480
106

Seems the Gigabyte baseline profile was the closest to Intel's spec. I smell a class action lawsuit coming because that is a big performance loss versus advertised numbers.
 

DrMrLordX

Lifer
Apr 27, 2000
21,709
10,983
136
That should not needed for a stock Intel CPU. Just a decent aftermarket air cooler. The problem is that "stock" includes wattages far above the advertised 253 watts.
It shouldn't, but at the same time both AMD and Intel have sold CPUs recently that can overwhelm a good HSF's ability to cool the CPU. The difference is in what happens afterwards - maybe.

A 7950X will keep boosting until it saturates the cooler or until it hits 230W PPT, whichever comes first. It'll chug along at 95C all day long, no problem. Actually running a "stock" 7950X without it hitting 95C is challenging. Many AiOs can't do it. HSFs would definitely struggle, especially when not using an ultra-aggressive fan profile.

A 13900k/14900k is a different animal. It does not have the same boost behavior, and there's no way of knowing if it can run at its temp limit 24/7 without issue. It'll pull even more power than a 7950X and can be even more challenging to cool, but unlike a 7950X, can we be sure that it's okay to put an HSF on there and just let it thermally throttle nonstop? Are people with nice custom watercooling that can run one of these "stock" in a Z790 at temps of 70C or so getting fewer crashes/less possible degradation than people with fat aircoolers running theirs at the temp limit?
 
Jul 27, 2020
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A 7950X will keep boosting until it saturates the cooler or until it hits 230W PPT, whichever comes first. It'll chug along at 95C all day long, no problem.
The fact that AMD chose that temp limit means they probably have data to back it up and they are super confident that it will not impact their CPUs adversely in the long term.

If only Intel made data backed decisions...
 

DrMrLordX

Lifer
Apr 27, 2000
21,709
10,983
136
The fact that AMD chose that temp limit means they probably have data to back it up and they are super confident that it will not impact their CPUs adversely in the long term.

If only Intel made data backed decisions...
AMD also has an elaborate temp sensor network on each CCD, as well as a sophisticated boost algo that uses the worst hotspot on the CCD to limit clocks and volts. When installed and run with default settings on a Z790 motherboard, a 14900ks (for example) is not the same critter.
 

Abwx

Lifer
Apr 2, 2011
11,057
3,712
136
AMD also has an elaborate temp sensor network on each CCD, as well as a sophisticated boost algo that uses the worst hotspot on the CCD to limit clocks and volts. When installed and run with default settings on a Z790 motherboard, a 14900ks (for example) is not the same critter.

FTR the 7950X doesnt exhaust its 230W PPT rating, and there s limitations such that it wont pull more than 195W in Prime 95 as per Computerbase tests, wich is 90W per CCD and 15W for the I/O.

There s a 8C CCD that pull 90W and another CCD at some distance that also pull 90W, since they are not stucked together heat is well distributed on the IHS, on the other hand for Intel there s 8 cores tightly packed that can pull as much as 250W, so power density/mm2 at the cores levels is about 2x the AMD s and there s little surface to evacuate the heat, so there s surely hotspots that exceed the 101-102°C limitation.
 

Saylick

Diamond Member
Sep 10, 2012
3,217
6,585
136
I smell a class action lawsuit coming because that is a big performance loss versus advertised numbers.
Ehh, if there is a potential lawsuit, I suspect Intel will probably fight tooth and nail for a few years before settling for a few hundred thousand and then everyone gets like $20 for their troubles. In the grand scheme of things, it was worth it for Intel to pump up the power to inflate benchmarks.

Maybe I’m a little jaded, but that’s what history has shown will happen.
 

deasd

Senior member
Dec 31, 2013
526
800
136
Things are going much more chaotic.



Korean reviewer Quasarzone tested baseline with models across 12-14th gen i5-i7-i9, and results are painful, non-k SKUs got hammered badly:








BIOSTAR is the first manufacturer that set baseline as default, while ASUS/Gigabyte didn't, and they also didn't recommend users turn on baseline if you don't encounter any stability problem.

What is shocking is, Asrock has already known this since last year.

It seems ASRock has joined this practice as early as 2023, and I just learnt about it. Here is another example (click here), readers can pay attention to the BIOS version and the corresponding official release date, so ASRock has known about it for a long time!

MSI and other vendors didn't mentioned whether users should turn on baseline or not, when stability issue occurs.

BIOSTAR's baseline seems still has very high ICCMAX, so the performance decline is not as big as Gigabyte's
 
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Ranulf

Platinum Member
Jul 18, 2001
2,388
1,270
136
Hmm, am I going to regret getting a 12700k on sale last year. Though the numbers don't too bad for the12th gen K processors.
 
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Mar 8, 2024
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Ehh, if there is a potential lawsuit, I suspect Intel will probably fight tooth and nail for a few years before settling for a few hundred thousand and then everyone gets like $20 for their troubles. In the grand scheme of things, it was worth it for Intel to pump up the power to inflate benchmarks.

Maybe I’m a little jaded, but that’s what history has shown will happen.
I'm not so sure this was worth it at all. This is the kind of widespread fiasco that will absolutely lead to intel losing not just even more DIY, but OEMs as well.

There are countless Dell, HP, Lenovo, Asus, and MSI prebuilt boxes sold with i7 and i9 K-SKUs at a tidy markup that are even more heinously thermally constricted than custom built gaming machines. These are going to come back for RMA, OR people are going to ask for their money back after the new BIOS nerfs performance.

Those people are going to treat their experience with 13th-14th gen like your dad talks about his one friend that bought a Yugo in the 1980s - a horrible mistake that lead to heartbreak and headaches whether or not they get their system stable or their money back.
 

Mopetar

Diamond Member
Jan 31, 2011
7,936
6,239
136
Yikes. 33% or more of a drop for the 14900 and 14700 are ridiculous. I don't even think that the performance drop was anywhere near this bad for the spectre/meltdown mitigations.

I think most people here go with the K models which aren't hit anywhere near as bad, but the 14900 losing almost 40% is just bonkers.

Also it's within the margin or error so probably meaningless, but the 12900K actually gained performance with the baseline. Alder Lake stronk!
 
Jul 27, 2020
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FTR the 7950X doesnt exhaust its 230W PPT rating, and there s limitations such that it wont pull more than 195W in Prime 95 as per Computerbase tests, wich is 90W per CCD and 15W for the I/O.
What's the highest power that 7950X can be pushed to consume with PBO? Link to an article would be nice. 5950X could be forced to consume 300W or more, for negligible performance gains.
 

Abwx

Lifer
Apr 2, 2011
11,057
3,712
136
What's the highest power that 7950X can be pushed to consume with PBO? Link to an article would be nice. 5950X could be forced to consume 300W or more, for negligible performance gains.
7950X is 95°C limited, so unless you use some exotic cooling you ll hardly manage to reach the 230W PPT, 5950X didnt have such a brick walled limitation, hence you could overclock it at higher than 230W, but as you said it was pointless perf wise.

Back to topics with this RPL debacle Intel can now claim even better numbers for ARL, you can be sure that they wont miss the occasion.
 

coercitiv

Diamond Member
Jan 24, 2014
6,257
12,196
136
AMD also has an elaborate temp sensor network on each CCD, as well as a sophisticated boost algo that uses the worst hotspot on the CCD to limit clocks and volts. When installed and run with default settings on a Z790 motherboard, a 14900ks (for example) is not the same critter.
I disagree. Intel's boost algo takes into account individual core temps on top of power and current limits (whether they are enforced or not). Not only that, Intel has more than one thermal throttling mechanics available in their latest CPUs. The limit is also configurable, I have mine lowered from 100C to 85C using UEFI settings. The CPU will not exceed this ceiling, and will individually throttle cores as they reach the limit.
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
28,663
21,169
146
I'm not so sure this was worth it at all. This is the kind of widespread fiasco that will absolutely lead to intel losing not just even more DIY, but OEMs as well.

There are countless Dell, HP, Lenovo, Asus, and MSI prebuilt boxes sold with i7 and i9 K-SKUs at a tidy markup that are even more heinously thermally constricted than custom built gaming machines. These are going to come back for RMA, OR people are going to ask for their money back after the new BIOS nerfs performance.

Those people are going to treat their experience with 13th-14th gen like your dad talks about his one friend that bought a Yugo in the 1980s - a horrible mistake that lead to heartbreak and headaches whether or not they get their system stable or their money back.
Every high end OEM PC I have seen tested by someone reputable that isn't taking money from the company (see Gamers Nexus) already underperforms vs testbench. Or quite often is lackluster vs the lower tier CPU from the same generation that doesn't stress the cheesy power delivery or cooling so much. I doubt most gamers that buy Dell, Alienware, HP, or Lenovo gaming PCs will even notice the difference. We'll see. You may be right and they launch their own class action?
Yay! At least you and I are minimally impacted. I will hug my 12700K tonight.
It is okay to love your CPU. Just don't LOVE your CPU. 🫵
Back to topics with this RPL debacle Intel can now claim even better numbers for ARL, you can be sure that they wont miss the occasion.
That's the current meme/joke making the rounds. It'll massively dilute the day one benchmarks, if they do that. Because the comments sections will review bomb the hell out of it. Aussie Steve will char it to a crisp with one of his long scathing conclusions. GN Steve will clown it so hard the kids that idolize him won't even buy Intel on a bet when he is done /wild prognostication.
 

Mahboi

Senior member
Apr 4, 2024
522
836
91
Those people are going to treat their experience with 13th-14th gen like your dad talks about his one friend that bought a Yugo in the 1980s - a horrible mistake that lead to heartbreak and headaches whether or not they get their system stable or their money back.
14th gen is really the kicker IMO.
13th gen could at least be construed as a flawed, but ambitious gen.

14th is literally "we have nothing, so just try to crank up the watts enough that we can advertise 200 more Mhz".
My brain wasn't wrong when it read RPL-R as "Repeller".
 

coercitiv

Diamond Member
Jan 24, 2014
6,257
12,196
136
Very nice. Did not know that. What is the UEFI option called?
With MSI it's called "CPU Over Temp. Protection", and can be set between 65-115C. Skaterbencher also talks about it in the video I linked above, mentions that going over 100C is only available on K SKUs.
 
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DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
28,663
21,169
146
but the 12900K actually gained performance with the baseline. Alder Lake stronk!
LOLZ that's the best thing I've read today.
My brain wasn't wrong when it read RPL-R as "Repeller".
I don't care who you are, that's funny.

WIth 13th gen getting the axe. If Intel was looking for a way to clearout 12th gen inventory they may have found it. Wait until this all shakes out and the reviewers are showing where the 14900 series sits in the charts "at stock". That $275 12900K will be looking pretty tasty?

EDIT: With the exception of TPU maybe? Most of the staff are in full Intel defense formation over there. It's a little depressing to see. I love the site, and hate to see the 13370rZ PCMR mindset treated like the only correct one on this issues. Intel done goofed and the whole schtick of using AMD whataboutism and finger pointing at the board makers is not going to carry the day. It just tarnishes their image IMO.
 
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Abwx

Lifer
Apr 2, 2011
11,057
3,712
136
That's the current meme/joke making the rounds. It'll massively dilute the day one benchmarks, if they do that. Because the comments sections will review bomb the hell out of it. Aussie Steve will char it to a crisp with one of his long scathing conclusions. GN Steve will clown it so hard the kids that idolize him won't even buy Intel on a bet when he is done /wild prognostication.

Isnt a rumour stating that ARL is projected to be set at 188W TDP..?.

If that s true then they ll compare it to RPL at this power, they ll lose the opportunity
to state a much better perf/Watt but they ll gain in perfs improvement numbers.
 
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