[Cobra26]

Hi all,

I am using a full costum loop using a EKWB Quantum Velocity-2 LGA 1700 water block.
So ive done some testing with Intel XTU some results with Cinebench32 multicore test:

PL1-253w_PL2-253w
Water temp = 23c
Stock core voltage offset = 83c is this a good temp? This is with Intel FULL official power of 253 watts.
Undervolt: 0.050v = 76c
Undervolt: 0.065v = 75c
Undervolt: 0.100v = 72c = a drop of 11c not bad at all.

So i will go down further to see more improvements in temps as long as it doesn't crash of course.

But question is i have to change the core voltage offset in the BIOS for the Asrock mb. That i understand in order to do so i have to choose option adaptive mode to change offset voltage otherwise i won't see the option, but do i need to change more settings? Just want a simple safe solution. Normally i keep it at stock settings on my previous rigs this time this i7-13700k is a hot head and yes my FIRST time undervolting please bare with me Now a -0.100v is safe correct? I did read that going lower might be stable at 100% loads but not stable at low loads or idle ie crashes correct?

So in short after im sure any off set voltage im happy with is stable all i need to change in BIOS is applying that off set voltage in BIOS without changing other settings correct?

Thanks in advance.

 

[deidian]

Can't say for sure since this is a 13900KS and every setup is a world, but 253W on my loop at water 25C falls 75-80C on the hottest cores(lowest I have seen was 70-75 in another CPU and another mount). I'm not even happy with this thing. That said up to you how much effort the checking the paste is going to cost, but doesn't look overly crazy. It also depends on the paste you're using: they don't change a lot but 3-5C variation can happen between expensive and cheap.

I don't know about Asrock BIOS, but generally speaking about voltage controls in Intel:

Adaptive voltage: sets the max turbo VID. That is voltage at maximum frequency.
V/F offsets: stablish VID offsets that are added to the factory VID curve of the chip at the corresponding frequencies

 

[owlsvn]

Hi all,

I am using a full costum loop using a EKWB Quantum Velocity-2 LGA 1700 water block.
So ive done some testing with Intel XTU some results with Cinebench32 multicore test:

PL1-253w_PL2-253w
Water temp = 23c
Stock core voltage offset = 83c is this a good temp? This is with Intel FULL official power of 253 watts.
Undervolt: 0.050v = 76c
Undervolt: 0.065v = 75c
Undervolt: 0.100v = 72c = a drop of 11c not bad at all.

So i will go down further to see more improvements in temps as long as it doesn't crash of course.

But question is i have to change the core voltage offset in the BIOS for the Asrock mb. That i understand in order to do so i have to choose option adaptive mode to change offset voltage otherwise i won't see the option, but do i need to change more settings? Just want a simple safe solution. Normally i keep it at stock settings on my previous rigs this time this i7-13700k is a hot head and yes my FIRST time undervolting please bare with me Now a -0.100v is safe correct? I did read that going lower might be stable at 100% loads but not stable at low loads or idle ie crashes correct?

So in short after im sure any off set voltage im happy with is stable all i need to change in BIOS is applying that off set voltage in BIOS without changing other settings correct?

Thanks in advance.

the best way to find the correct voltage offset ( and still stable ) for your workload is to test with the workload you do everyday. It's either game, benchmark, code compiling, otherwise you go bench against CB23 or realbench.

 

[shrimpmaster]

I usually test the min voltage required for y cruncher and add a bit more to account for transients.
Having voltage too low can cause all kinds of weird stuff way before it crashes stuff. Like stutters in game, mouse feeling heavy, etc

Cinebench not enough, even if it's just for gaming in my experience.

 

[CarSalesman]

I usually test the min voltage required for y cruncher and add a bit more to account for transients.
Having voltage too low can cause all kinds of weird stuff way before it crashes stuff. Like stutters in game, mouse feeling heavy, etc

Cinebench not enough, even if it's just for gaming in my experience.

I agree, however I use cinebench initially then move to y-cruncher VST for fine tuning/confirming stability.

 

[CarSalesman]

All undervolts are safe. As in it won't damage your hardware, your hardware will just turn off it it isn't getting enough voltage. I recommend undervolting/overclocking using adaptive and playing with AC Load Line and DC Load Line. Read Roberto's guide.

Asus Maximus Z790 Extreme and Intel i9-13900k - A tuning...

 

[Templar2k]

What ram speeds are you getting with that board?

 

[CarSalesman]

Got my M-Die to 6800C30 from 6600C32 xmp

 

[Cobra26]

Thank you for all the replies guy's

With the official power limit from Intel ie PL1-253w_PL2-253w from 83c to 72c with Cinebench32 at "Core voltage offeset = -0.100v" i might get it lower to -0.125v.
However with the power limit set to PL1-125w_PL2-125w and applied the same "Core voltage offset" = -0.100v there is zero drop in temps with Cinebench32 i get 54c. Its the same without any undervolting.

Is this due to my 125w power limit and there is no gains trying to lower the temps further?
Or should i lower the "Core voltage" it self to see temperature gains with a power limit of 125w?

 

[Cobra26]

What ram speeds are you getting with that board?

With my Asrock Z790 Taichi i am using G-Skill F5-6800J3445G16GX2-TZ5RK (2 x 16GB) and it's an A-Die Hynix. Running it with XMP profile without issue, and its on the QVL list from the Taichi MB. With XMP the FULL 6800mhz speeds as specified by the RAM. You can go as high as 7200mhz on the official QVL with the Taichi MB.

So far i like my Asrock Z790 Taichi (knocking on wood) zero headaches everything just works i was hesitant to get a Asus Z790 board reading issues with their XMP support.
I wanted an EVGA Z790 board as my previous 2 rigs where full EVGA but dang the price on the EVGA Z790 boards was to much for me.

 

[Templar2k]

Yes I'd be careful getting the Asus board, got the Asus z790 Apex and it's faulty I think

 

[Cobra26]

Yes I'd be careful getting the Asus board, got the Asus z790 Apex and it's faulty I think

What way is your Asus Z790 Apex faulty? Ive used 4 Asus boards none of them had issues i also used 2 EVGA boards no issues. It was either one of the 3 Z790 boards ie Asus or MSI Carbon or the Asrock Z790 Taichi i went with Asrock from multiple feedback from people. Hope you solve the issue with your board man or it could be RAM related is it QVL? I would reseat the cpu or check the MB cpu socket for damaged pins gosh it could be anything...If you have the board recently you can always return the board...

 

[blurp]

Did you test the stability with your -0.1 offset using y-cruncher ? I had to settle with - 0,08 offset because I would get WHEA errors once in a while in general use with bigger offset. Finding a stable offset with y-cruncher resolved the issue for the rest of my use.

 

[Templar2k]

Some issue with memory, I could only boot it with DDR 6000 from G. Skill, it would never fastboot with it or even soft restart. With my Teamgroup DDR 7600 it won't post. I put the same hardware in a z690 board that I also have an 0 problems. I'm just unlucky I believe however there are numerous reports about memory and XMP issues on this board but if you get it to work right I'm sure you'll love it. I'll ask for a replacement myself but know that it's like a sports car, it's got great qualities but you do sacrifice some things, one thing that surprised is that it only has 3 fan headers you can tune and control with software, the other headers are full speed only, the CPU and CPU ALT are combined, the fan headers also only give 1A. The rest is just great on the board and I hope to get mine replaced soon but if I could fit an EATX in my case I'd probably get the Taichi instead.

 

[Cobra26]

Some issue with memory, I could only boot it with DDR 6000 from G. Skill, it would never fastboot with it or even soft restart. With my Teamgroup DDR 7600 it won't post. I put the same hardware in a z690 board that I also have an 0 problems. I'm just unlucky I believe however there are numerous reports about memory and XMP issues on this board but if you get it to work right I'm sure you'll love it. I'll ask for a replacement myself but know that it's like a sports car, it's got great qualities but you do sacrifice some things, one thing that surprised is that it only has 3 fan headers you can tune and control with software, the other headers are full speed only, the CPU and CPU ALT are combined, the fan headers also only give 1A. The rest is just great on the board and I hope to get mine replaced soon but if I could fit an EATX in my case I'd probably get the Taichi instead.

Sorry to hear man this is why i skimped on the Asus boards for the Z790 platform ive read to many issues in regards with XMP issues. Its not like you are massively overclocking your ram XMP is overclocking but not way above the specified speed. Sure i can OC ram further since it is A-Die Hynix but then problems may arise. Common Asus even their QVL listings don't work with XMP.

For the record you MAY use the Taichi board the only difference between the ATX and E-ATX from Asrock is it extends about 1 inch in witdh the height remains the same as a regular ATX board ie all the whole stand-offs line up as a regular ATX board (at least i think it is) except the increased witdh of 1 inch. So...maybe your case can accomodate the Taichi if you really want it. Depends on your case yet most cases have plenty of space even IF they are not promoted as E-ATX. Something to look out for. Do pick RAM from their QVL. Hope you get a GOOD board no matter the brand if you decide to return it.

 

[destroya]

-.1v was too much undervolt for me (stability issues) but I run @ 5.4 P-allcore. I think I'm on -.04v but -.05-.075 ish would work. As long as you can do long-run full load without throttling I see no problems with temps.