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Maximus VII Formula WD Edition + 4970K - how to get Turbo Boost 2.0 working normally?

uplink
Level 9
Greetings,

I hope I'm not interrupting. Just wanted to ask, I purchased first GA Z97X-Gaming G1, this mobo was total disaster. I'm hooked up with ASUS since they were PegASUS, but anyway, they failed at support, so I went GA way.

Now to my problem. My mobo, while set everything on Auto is literally killing my CPU - Intel Core i7 4790K [Devil's Canyon]. On default, it fries up my CPU up to 1,35 vcore and all cores are running at 4,4 GHz without a blink, and temperatures are skyrocketing.

When I set some stuff at uefi/bios to more "careful" mode, I'm getting excellent results, but...my Turbo Boost is only 4,2 GHz, instead of 4,4 GHz, otherwise everything else works fine.

My question is as follows. How do I make it work like now, with 4,4 GHz Turbo Boost with 1,15 vcore, as it's pumping CPU at 4,2 GHz atm?

Is the 200 MHz difference at turbo boost much?

Thank You!

Regards

uplink
6,734 Views
7 REPLIES 7

Squall_Rinoa89
Level 8
Try disabling Asus Multicore enhancement? I haven't had to much time to play around yet, K series chips are entirely new to me...

Should find a setting for it but if your going to Overclock the 4970K turbo should be off anyways. Going to say it has something with the multicore enhancement.

My last CPU was an i5 760 I had OC'd to 4.2GHz (did 4.4GHz before to) so not much experience yet with the new tech.
Lian Li 011 Dynamic White Case
Intel Core i9 Coffee lake 9900K @ 5.1GHz
ASUS STRIX Z390-E LGA 1151
Corsair DDR4 Corsair Dominator 32GB (4x8GB) 3600MHz CAS 18
EVGA nVidia RTX 3080 FTW3 ULTRA 10GB
EVGA SuperNOVA 1300 G2 PSU
1x 512GB SAMSUNG 860 PRO SSD
2x 500GB Samsung 860 EVO SSD
1x WD BLACK 2TB 7200 RPM 64MB Cache SATA Hard Drive (6.0Gb/s)

jolle_spam
Level 7
Hey,
4.2 GHZ are normal!

The 4790k has different boost clocks:
4.4Ghz with load on 1 core
4.3Ghz with load on 2 cores
4.2GHz with load on all cores

With "Asus Multicore Enhancement" you raise the turbo for all cores to 4.4Ghz but also the Vcore!

So the normal clock with 100% load is 4.2Ghz!

uplink
Level 9
jolle.spam - thank You for Your reply. Well, that's the problem, even when I hit only one core, it's 4,2 GHz, always.

Squall_Rinoa89 - not really much into OC, I'll be rendering with the CPU a lot. So I need something stable. And when it's sucking dry 4 cores, I need it to be at 4,0 GHz, as it is in my custom setting, problem is I cannot get it to 4,2 GHz.

Rendering [V-Ray/Maxwell] aside, is 200 MHz big downside for Photoshop work/Illustrator work/Corel Draw/Photopaint and games? These are my 4 main programs I work at most of the time, and play games.

Or should I not be bothered by it? Because I tried so many otpions alredy at bios. Btw. I managed 4,7 GHz at 1,25 vcore steady, but hell, it's frying up the CPU. I thought that when the voltage goes down, the temperature will stay "fine", but I guess I was wrong. Lowered the vcore by adaptive offset.

Do You think that 4,4-4,7 vcore at 1,25-1,31 vcore running Noctua NH-D15 at strongly air flowed case [Fractal Define XL R2 with full 140 mm noctuas pwm running at auto] is bad to have 65-70°C at burn, wPrime, and 75-80°C after an hour?

Ambient is 22-26°C, RH is 40-60%.

Generally if your pushing 4.7Ghz should have it under water if your worried about the temps to be quite honest. I can easily hit 4.4Ghz with my i5 4690K but it runs around 40'c with a max of 62 on air and not really wanting nor do I have a big need for 4.6 with just pretty much a daily rig with gaming ability.

if your very worried on temps corsairs H100i would be the route to go or something like it.
Lian Li 011 Dynamic White Case
Intel Core i9 Coffee lake 9900K @ 5.1GHz
ASUS STRIX Z390-E LGA 1151
Corsair DDR4 Corsair Dominator 32GB (4x8GB) 3600MHz CAS 18
EVGA nVidia RTX 3080 FTW3 ULTRA 10GB
EVGA SuperNOVA 1300 G2 PSU
1x 512GB SAMSUNG 860 PRO SSD
2x 500GB Samsung 860 EVO SSD
1x WD BLACK 2TB 7200 RPM 64MB Cache SATA Hard Drive (6.0Gb/s)

uplink
Level 9
jolle.spam - You're my man. As I turned off that Asus enhancment, and unlocked the ratio on all cores, it works like it should! Thank You! Thank You! 🙂

Squall_Rinoa89 - Thank You for Your kind suggestion. I already ordered The Swiftech H240X.

Thank You guys, You're awesome!

You're welcome ^^ Glad we all were able to give you a hand.
Lian Li 011 Dynamic White Case
Intel Core i9 Coffee lake 9900K @ 5.1GHz
ASUS STRIX Z390-E LGA 1151
Corsair DDR4 Corsair Dominator 32GB (4x8GB) 3600MHz CAS 18
EVGA nVidia RTX 3080 FTW3 ULTRA 10GB
EVGA SuperNOVA 1300 G2 PSU
1x 512GB SAMSUNG 860 PRO SSD
2x 500GB Samsung 860 EVO SSD
1x WD BLACK 2TB 7200 RPM 64MB Cache SATA Hard Drive (6.0Gb/s)

uplink wrote:
jolle.spam - You're my man. As I turned off that Asus enhancment, and unlocked the ratio on all cores, it works like it should! Thank You! Thank You! 🙂

Squall_Rinoa89 - Thank You for Your kind suggestion. I already ordered The Swiftech H240X.

Thank You guys, You're awesome!


What did you change to "unlock the ratio on all cores"? I was having a similar problem. With multi-core enhancement on I got 4.4 all the time constant (no downclocking). I turned it off and only got 4.2 max even with just one core loaded up. The only way I could fix it was multi-core enhancement off, and "CPU core ratio" from "auto" to "sync all cores". However while that will allow 4.4 under one core, it also gives me 4.4 even if all cores are loaded.......only at 1.18v though. I gave up on trying to make it "work properly" and just assumed it's some feature of the motherboard I can't shut off or something.