This 12th Gen Intel CPU issue needs to be fixed

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Gameguru Mania News - Mar,06 2022 -

This 12th Gen Intel CPU issue needs to be fixed - tech
(hx) 10:46 AM CET - Mar,06 2022 - Post a comment / read (11)
It seems that DDR5 memory modules are extremely sensitive to everything!

last 10 comments:

Csimbi

(05:42 PM CET - Mar,06 2022 )

The DDR5 spec specifies clock rates as 2400–3600 MHz - so, 4800 to 7200 as you double the rate, respectively.
This can be achieved with overclocking crap RAM.
Or, by buying quality RAM that delivers this out of the box.
There is nothing wrong with taking either route, it really is up to your budget.
But don't expect cheap crap to boot at speeds intended for quality modules.

The reality is, the specs allow more than what manufacturers can deliver today. It will take a few years for manufacturers to get there.

But.
Let me tell you, there is no point going with such high frequencies.
Why?
Because you will have to increase latency.
And, latency kills performance more than a lower clock speed.
So, get the quality RAM, but instead of running it at full clock speed, cut clock speed to half and cut RAS/CAS down to more than half.
Do a benchmark of your system with both.
You will see the lower RAS/CAS build performs better.
Plus, it won't kill you RAM modules that fast.
It's a RAM: Random Access Memory - accessing different areas of the memory happens far more often than reading large memory blocks in one!
Use your head.

Now, back to the video.
The idiot in this video does not seem to understand what XMP is.
XMP is a JEDEC standard to include manufacturer-specified timing on the chips - so dummies could simply select the XMP profile you want in BIOS, without having to mess with the RAM timings and frequencies yourself.
The XMP profile is usually not the best config to any RAM - it is a recommendation. You should always tweak it further (I tweak it down as said above).
Anyway, this idiot sets an XMP profile for a RAM, and then puts in different modules, lol (!)
Just what do you think happens without clearing the settings before putting in the new RAM???
There is no need to blame the HW when you don't have a clue what you are doing!
I do agree this Intel line sucks though! It does not need to be fixed. It needs to be trashed.

You know, if I had the money to buy all this this, I'd start my own channel without bullshit.

KuBr0

(12:28 PM CET - Mar,07 2022 )

This guy is just clearly playing a clown for his audience, so that the video appears as more interesting and OH HOW much of research and asking around he had to do to make that machine post :D Meanwhile, every user guide for every Z690 motherboard has a BIG triangle with a warning at the beginning of the RAM section saying this.

How do I know? I was building a 12th Gen Intel CPU system for a friend last week and this is exactly what we encountered - 4x 16GB DDR5 5800MHz sticks that only ran 5800 when 2 were used. If we used all 4, the max, with a custom profile that I could get out of them was 4400MHz (4000 was default). Mind you, this was on a 1100€ motherboard paired with a 1000€ i9 12900k.

History repeats itself and it just confirms that it is never a good idea to be an early adopter. Better skip Z690 and wait for Z790, or even 890? I wouldn't even say that this thing with the rams is really a problem, the bigger problem I keep seeing is that many users experience micro-stuttering and bad performance in games due to the E-cores of the new gen of CPUs, which you can luckily disable on the majority of motherboards.

I was recommending my friend a Z590 motherboard, but no, he had to have the newest thing :D

Csimbi	(12:35 PM CET - Mar,07 2022 )
Did you try downclocking it further and using a lower RAS/CAS? You can get better performance that way.

KuBr0

(12:52 PM CET - Mar,07 2022 )

Csimbi> Did you try downclocking it further and using a lower RAS/CAS?
You can get better performance that way.

Even though I suggested to do exactly this, have a low latency and just ignore the frequency it runs at, my friend was just like "dUdE I nEeD iT tO RuN aT tHe HiGheSt FrEqUenCy PoSsIbLe" :DDD so thats just what I did. I explained it all to him in peasant language, so that he understands, but its his PC and his decision in the end, so thats what he got.

Csimbi

(01:45 PM CET - Mar,07 2022 )

KuBr0> Csimbi> Did you try downclocking it further and using a lower RAS/CAS?
You can get better performance that way.

Even though I suggested to do exactly this, have a low latency and just ignore the frequency it runs at, my friend was just like "dUdE I nEeD iT tO RuN aT tHe HiGheSt FrEqUenCy PoSsIbLe" :DDD so thats just what I did. I explained it all to him in peasant language, so that he understands, but its his PC and his decision in the end, so thats what he got.
Sounds like he wants to brag about it rather than trying to get the maximum performance out of the system.
One of those rich or spoilt guys, I guess.
Nothing you can say will change the mind of these people...

KuBr0

(03:09 PM CET - Mar,07 2022 )

Csimbi> Sounds like he wants to brag about it rather than trying to get the maximum performance out of the system.
One of those rich or spoilt guys, I guess.
Nothing you can say will change the mind of these people...

Yes, that is spot on. I guess that is also the reason why he immediately declined the option to go for Z590 instead of Z690. He can enjoy his bragging rights for the next 6-7 months, since 13th Gen Intel Raptor lake is supposed to hit even sooner this time, sometime around October / November.

Csimbi

(11:54 AM CET - Mar,08 2022 )

I don't think Raptor Lake will be any faster than Alder Lake.
It should bring a considerable power reduction though - and with that, they could cram even more performance cores into the CPU.
However, that will not make the CPU any faster; it will make it perform better in certain conditions only - such as media encoding and stuff; which has zero value for gamers.
Gamers only benefit from faster CPUs.
8GHz should do - even thought that is already far behind of where Intel should be by now.

KuBr0	(08:56 PM CET - Mar,08 2022 )
but isn't the same true when comparing rocket lake and alder lake? At least when it comes to real life performance and its benefits when gaming?

Csimbi	(10:49 AM CET - Mar,09 2022 )
True. It's reasonable to expect the same changes - Intel is unable to bring anything new after all. Maybe this time they get low enough TDP to ditch the shitty E cores? Or, include maybe just two of them to keep the lights on? It's clear they cannot compete with AMD so they'll have to do something sooner or later (my bet is 'later').

KuBr0	(03:21 PM CET - Mar,09 2022 )
My bet is "never" and I am afraid that the shitty E-cores are here to stay. But hey, we had this discussion already and both of us know that there isn't much of a difference even if you compare an i7 6700 and i7 12700 ... There is only the difference for such clowns like my friend, who are going to think that their latest 12th Gen CPU is obsolete after the 13th Gen will hit the market ...