9Gen memory controller (IMC)

[jm_bmw]

How it does with 4X8GB SR configuration? would 3600Mhz@1.35v be too hard on it for safe/daily use?

 

I just got a 16GB kit (2x8) of those new Ballistix 3600C16 Micron E-die for a steal here. Accordingly to Builzoid the PCB on this kit is the same as the 4000Mhz Elite version (custom and very good), he got 5000Mhz on the Elite's.

 

I am waiting them to arrive and initially see no issues running two sticks at 3600Mhz, planning to get another one soon. How much room I would "theoretically" have for OCing? or would this setup be already close to the limit?

[Hairless Monkey]

I do 4GHz CL17 daily on my 9900K, See "BabyBlu" in my sig.

[Mateyyy]

3600MHz should be easy on a 9900K. I'm not sure what memory topology the Z390 Elite has, but I'd say you should be good up until at least 4000MHz.

[Haro]

27 minutes ago, jm_bmw said:

would 3600Mhz@1.35v be too hard on it for safe/daily use?

Should be fine 

[Hairless Monkey]

One thing to watch out for is the motherboard's default VCCio and VCCsa voltages with high mem freq. You'll want to set these lower than 1.3V. Some people can go as low as 1.15V with no issue. I need ~1.275V for stability @ 4000Mhz. Your board migjt auto set 1.4V or more.

[Mateyyy]

1 hour ago, HairlessMonkeyBoy said:

One thing to watch out for is the motherboard's default VCCio and VCCsa voltages with high mem freq. You'll want to set these lower than 1.3V. Some people can go as low as 1.15V with no issue. I need ~1.275V for stability @ 4000Mhz. Your board migjt auto set 1.4V or more.

Yeah good to point that out. My Z390-F by default would run them at 1.3-1.35V which is just ridiculous.

I manually reduced the VCCIO to 0.975V and SA to 1.025V and it's running perfectly. Granted I'm only running 3000MHz memory, but still even for high frequencies you'll never want to run either at 1.35V for a daily system.

[Haro]

2 minutes ago, Mateyyy said:

Yeah good to point that out. My Z390-F by default would run them at 1.3-1.35V which is just ridiculous.

WHAT?! 

[Guest]

1 hour ago, HairlessMonkeyBoy said:

I do 4GHz CL17 daily on my 9900K, See "BabyBlu" in my sig.

I do 16-16-16-36 2T 4000mhz daily as well... But on 8700K Bdie.

[Haro]

Just now, ShrimpBrime said:

2T

hmm 2t 

no jk its still impressive 

[Guest]

1 minute ago, TofuHaroto said:

hmm 2t 

no jk its still impressive 

Command rate does very little for performance. 

Trfc adjustment brings better reaults

[jm_bmw]

Thanks everyone for the replies! I might even attempt 3733-3800 now and see how it goes.

1 hour ago, Mateyyy said:

3600MHz should be easy on a 9900K. I'm not sure what memory topology the Z390 Elite has, but I'd say you should be good up until at least 4000MHz.

I remember seeing somewhere that all Gygabyte Z390s are T topology, but not sure either.

 

1 hour ago, HairlessMonkeyBoy said:

One thing to watch out for is the motherboard's default VCCio and VCCsa voltages with high mem freq. You'll want to set these lower than 1.3V. Some people can go as low as 1.15V with no issue. I need ~1.275V for stability @ 4000Mhz. Your board migjt auto set 1.4V or more.

 

Thanks, I just checked (currently running my Corsairs at 2933Mhz 1.23v) and both are on auto, VCCIO is at 0.950v and agent voltage at 1.050v. Does raising them also impact CPU temperatures?

[Hairless Monkey]

6 minutes ago, ShrimpBrime said:

I do 16-16-16-36 2T 4000mhz daily as well... But on 8700K Bdie.

Mine is B-die too, but a lower bin. 3200 CL14. ATM it's running at 17-18-18-36 with fully custom secondary and tertiary timings too, didn't touch the IOL/RTL stuff yet, soon though.

 

1 minute ago, jm_bmw said:

Does raising them also impact CPU temperatures?

I little bit yes. Some people claim it does, but I haven't really noticed much of a difference, myself. I'm sure it does, though.

[Hairless Monkey]

@jm_bmwDefinitely check out this thread if you want to get deeper into RAM overclocking. It tends to get buried because it's not a sticky, but it's just so good.

 

 

[Mateyyy]

6 minutes ago, jm_bmw said:

I remember seeing somewhere that all Gygabyte Z390s are T topology, but not sure either.

T topology should do better than daisy-chain with four sticks if implemented well, but honestly this is kind of a non-factor up to around 3800-4000MHz.

 

7 minutes ago, jm_bmw said:

Does raising them also impact CPU temperatures?

Lowering them did also lower the CPU temps by a few degrees in my case, but 0.3V is quite a drastic difference.

Since your auto voltages are fine, if you slightly raise them for stability you probably won't notice much of a difference.

[MageTank]

20 minutes ago, TofuHaroto said:

hmm 2t 

no jk its still impressive 

You dare insult the 2T Brigade? I've come to represent...

 

 

In all seriousness, 2T is basically required for me to run my ram as tight as I do. I actually lose performance if I try to force 1T because it ruins a ton of my tertiary timings, which throws my RTL/IO-L values off quite a bit. 

9 minutes ago, HairlessMonkeyBoy said:

@jm_bmwDefinitely check out this thread if you want to get deeper into RAM overclocking. It tends to get buried because it's not a sticky, but it's just so good.

 

 

Glad you enjoyed it. Still working on improving it as I get more information. I requested that they do not sticky the guide simply because I don't have much time these days to answer the questions it would spawn and I figured if people needed to find it, they could find it on Google. 

[Guest]

55 minutes ago, HairlessMonkeyBoy said:

Mine is B-die too, but a lower bin. 3200 CL14. ATM it's running at 17-18-18-36 with fully custom secondary and tertiary timings too, didn't touch the IOL/RTL stuff yet, soon though.

 

I little bit yes. Some people claim it does, but I haven't really noticed much of a difference, myself. I'm sure it does, though.

I have 2 sets. 3600 and 4267mhz, both B rated temps. 

 

Poor 2700x IMC good for only 4000mhz and 8700K only good for 4300mhz.

 

On the Intel while benching 4000mhz cl 14-14-14 on 4267mhz kit, the 3600kit will run XMP timings at 4000mhz but with some extra voltage

 

I dont usually go over 1.6v with my memory.

[Hairless Monkey]

5 minutes ago, ShrimpBrime said:

On the Intel while benching 4000mhz cl 14-14-14 on 4267mhz kit, the 3600kit will run XMP timings at 4000mhz but with some extra voltage

 

I dont usually go over 1.6v with my memory.

I don't do benching. I just go for 24/7 stability. I've gone as high as 1.6V, but unfortunately my kit doesn't seem to scale with voltage. 1.6V doesn't do anything for me that I can't do at 1.4V... And I wouldn't want to go any higher than 1.5V for daily, anyway.

[Guest]

11 minutes ago, HairlessMonkeyBoy said:

I don't do benching. I just go for 24/7 stability. I've gone as high as 1.6V, but unfortunately my kit doesn't seem to scale with voltage. 1.6V doesn't do anything for me that I can't do at 1.4V... And I wouldn't want to go any higher than 1.5V for daily, anyway.

Daily 3733 on 1.375-1.40v depending on scaling is a good spot to be IMO cl16.

 

Yours probably do Cas 10-12 on xmp speeds with a volt bump maybe?

 

[jm_bmw]

6 minutes ago, HairlessMonkeyBoy said:

@jm_bmwDefinitely check out this thread if you want to get deeper into RAM overclocking. It tends to get buried because it's not a sticky, but it's just so good.

That looks great! thanks once again, I will definitely check it tonight.

5 minutes ago, Mateyyy said:

T topology should do better than daisy-chain with four sticks if implemented well, but honestly this is kind of a non-factor up to around 3800-4000MHz.

 

Lowering them did also lower the CPU temps by a few degrees in my case, but 0.3V is quite a drastic difference.

Since your auto voltages are fine, if you slightly raise them for stability you probably won't notice much of a difference.

Interesting, I will watch those voltages and record temps for comparison once them arrive. I got a terrible case airflow due my own choice of having only 2x 120mm fans on it for less dust, also the noctua cooler has only one 120mm instead its stock 2x 140mm fans. Its is currently locked at stock 4.7Ghz all cores@1.265v in bios, AVX 0, LLC turbo and avarages 55-60C gaming, but it will burn to 95C+ and thermal throttle if stress testing for 30min or longer, so I definitely don't wanna it scaling too much.

[Hairless Monkey]

5 minutes ago, jm_bmw said:

LLC turbo

Is that max LLC? It's usually better not to set max LLC. Vdroop is good and healthy for the CPU. Might be part of the reason why your temps go crazy when stress testing.

[Hairless Monkey]

Just now, HairlessMonkeyBoy said:

Is that max LLC? It's usually better not to set max LLC. Vdroop is good and healthy for the CPU. Might be part of the reason why your temps go crazy when stress testing.

For instance. I have my LLC set to level 7 out of 9 on my Maximus XI Hero. I have manual voltage set to 1.325V and I Vdroop down to as low as maybe 1.28V under a very heavy load.

[Mateyyy]

22 minutes ago, jm_bmw said:

Interesting, I will watch those voltages and record temps for comparison once them arrive. I got a terrible case airflow due my own choice of having only 2x 120mm fans on it for less dust, also the noctua cooler has only one 120mm instead its stock 2x 140mm fans. Its is currently locked at stock 4.7Ghz all cores@1.265v in bios, AVX 0, LLC turbo and avarages 55-60C gaming, but it will burn to 95C+ and thermal throttle if stress testing for 30min or longer, so I definitely don't wanna it scaling too much.

I'd try and improve the airflow in the case (make sure to maintain at least slightly positive air pressure), and I'd definitely put the stock fans on the NH-D15, especially since they're about as high quality as heatsink fans get.

 

I agree with @HairlessMonkeyBoy that you shouldn't max out your LLC.

Also, what do you use for stress testing? If it's Prime95, particularly a fairly recent version, definitely disable AVX if you haven't already, as it's such an unrealistic load that I really don't think there's any point in running it. It mostly just confirms that yes, your CPU can in fact kick out stupid amounts of heat, but like you're never going to have that bad of a load on the CPU in the real world.

[jm_bmw]

32 minutes ago, HairlessMonkeyBoy said:

Is that max LLC? It's usually better not to set max LLC. Vdroop is good and healthy for the CPU. Might be part of the reason why your temps go crazy when stress testing.

 

If I recall correctly its 5 out of 7, there's still extreme and super extreme.

 

30 minutes ago, HairlessMonkeyBoy said:

For instance. I have my LLC set to level 7 out of 9 on my Maximus XI Hero. I have manual voltage set to 1.325V and I Vdroop down to as low as maybe 1.28V under a very heavy load.

 

Ye mine is set 1.265v in bios and it goes to 1.19-1.21v under stress / 1.23-1.24v gaming (vrout values). I once tried to find the minimum voltage for 4.7Ghz all cores and -incredibly- it only crashed at 1.11v while running CinebenchR20 2x times -it passed the first one. I was surprised on how it could work at such lower voltage.

 

 I am sure it could be set lower to 1.23-1.25v, but I just don't wanna lose time messing with it to find out later that it will crash, so I leave a little higher.

 

10 minutes ago, Mateyyy said:

I'd try and improve the airflow in the case (make sure to maintain at least slightly positive air pressure), and I'd definitely put the stock fans on the NH-D15, especially since they're about as high quality as heatsink fans get.

 

I agree with @HairlessMonkeyBoy that you shouldn't max out your LLC.

Also, what do you use for stress testing? If it's Prime95, particularly a fairly recent version, definitely disable AVX if you haven't already, as it's such an unrealistic load that I really don't think there's any point in running it. It mostly just confirms that yes, your CPU can in fact kick out stupid amounts of heat, but like you're never going to have that bad of a load on the CPU in the real world.

 

I added a picture of the case in my signature [9900KF] so you can see the setup. I got this Noctua from a friend and the fans didn't fit the case unfortunately, so I had to replace with a 120mm 1300rpm generic one. The other two are also generic and runs around 800-1200rpm, got them mostly for the white ring look if I am being honest because their airflow is really not good. I am open for any recommendation on fans, I used to have an Akasa Apache Black long time ago but couldn't find it, it had a great noise vs airflow ratio and two of them would pair nicely with this Noctua.

 

I did the tests with Aida + Furmark to burn the GPU, no AVX. It handles about 20min under 95C rock solid @4.7 all cores, but once time passes and the internal temperature of the case starts building up it just can't dissipate it, especially Furmark that gets the 1080 crazy hot to 88C, this card never goes past 76C gaming.

At around 30min it reaches over 97C on the cores and starts throttling slight, for ex goes from 4.7 to 4.3-4.5 quickly returning to 4.7. Voltage stay fixed all the time 1.19-1.21.

 

I know it sounds alarming saying like that, but on my daily use it will never get anywhere close to those temps, this is just to simulate a worst case scenario. I will keep an eye tough with the new ram to make sure its sitting around the same temps, if I see it getting 80ish I will definitely sacrifice the clean/quiet look for better results.

[Hairless Monkey]

8 minutes ago, jm_bmw said:

If I recall correctly its 5 out of 7

That eases my mind.

9 minutes ago, jm_bmw said:

I added a picture of the case in my signature [9900KF]

The build looks nice! But that front panel glass is doing you no favors in the cooling department. That gap looks rather thin.

 

10 minutes ago, jm_bmw said:

I am open for any recommendation on fans

I'm partial to the Fractal Venturi fans. Obviously the Noctua Chromax fans are great...

13 minutes ago, jm_bmw said:

but once time passes and the internal temperature of the case starts building up it just can't dissipate it

You really need some more intake fans.

[jm_bmw]

16 minutes ago, HairlessMonkeyBoy said:

That eases my mind.

 

The build looks nice! But that front panel glass is doing you no favors in the cooling department. That gap looks rather thin.

 

I'm partial to the Fractal Venturi fans. Obviously the Noctua Chromax fans are great...

 

You really need some more intake fans.

You're right, it's a small gap and to correct my previous post, looking at stress test data, those two white ring fans only work between 700-900rpm. So adding those two factors into account definitely shows an airflow flaw on my choices. Wonder why the setup is so quiet.

 

I also just performed a quick 15min stress test only on the CPU (removing GPU out of equation) and the cores didn't even hit 90C, max 88C on one core. I am sure that adding decent fans will make a huge difference and I will look into those. And thanks! besides their crap performance I still like how they look and debating internally if I should sacrifice them plus low dust/noise over better temps (let it burn! jkg). Currently I see it is fine for what I do, let's see how it will go with faster ram.