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Clarifiante

6900k trying to push for the magic 4.5

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Posted · Original PosterOP

got a 6900k recently and i have been OC-ing. i currently have it stable at 4.4ghz @ 1.335 VCore. I am running on a Asus Rampage V 10th edition.

other settings are:
Cache 35
Cache voltage 1.15
LLC 6

RAM is corsair dominator 32GB (16x2) @ 3200mhz @ 1.35V (stock)

also my workloads are not particuarly intensive and i am using a predator 360 AIO w GPU loop.

I am trying to get to 4.5 just for the kicks, so far i have tried up to 1.39 which could successfully boot but i was unsure of testing it since the voltage is a bit high. i've read over various forums and so far i understand the consensus for 24/7 use it is good to keep it under 1.35V, is this right?

does anyone have any tips on what other settings i could change to push for that magic 4.5?

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Just now, Clarifiante said:

got a 6900k recently and i have been OC-ing. i currently have it stable at 4.4ghz @ 1.335 VCore. I am running on a Asus Rampage V 10th edition.

other settings are:
Cache 35
Cache voltage 1.15
LLC 6

RAM is corsair dominator 32GB (16x2) @ 3200mhz @ 1.35V (stock)

also my workloads are not particuarly intensive and i am using a predator 360 AIO w GPU loop.

I am trying to get to 4.5 just for the kicks, so far i have tried up to 1.39 which could successfully boot but i was unsure of testing it since the voltage is a bit high. i've read over various forums and so far i understand the consensus for 24/7 use it is good to keep it under 1.35V, is this right?

does anyone have any tips on what other settings i could change to push for that magic 4.5?

If you're already above the recommended voltage, don't risk it. It's not worth making magic blue smoke come out of your CPU for an extra 0.1 ghz. I wouldn't bother even if you weren't. It's only 0.1 ghz, it really won't make too much of a difference.


"There is a fine line between not listening, and not caring. I'd like to think I walk that line every day of my life."

 

 

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Desktop:

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CPU: Ryzen 3 1200 @3.9ghz w/stock cooler, Motherboard: MSI X370 GAMING PLUS, RAM: Corsair Vengeance LPX 8gb DDR4-2600, Storage: WD Blue 1TB 5400RPM, GPU: MSI 1050Ti, Case: Silverstone GD01, PSU: Corsair RMx 450w, Keyboard: Redragon K552, Mouse: Hiraliy F300

Laptop:

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Dell Chromebook 13

 

 

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4 minutes ago, N1ghtshade said:

If you're already above the recommended voltage, don't risk it. It's not worth making magic blue smoke come out of your CPU for an extra 0.1 ghz. I wouldn't bother even if you weren't. It's only 0.1 ghz, it really won't make too much of a difference.

1.4 is considered perfectly normal for a 24/7 OC. Worrying about a slight voltage increase significantly affecting the lifetime of a CPU is like worrying about a tower cooler destroying your motherboard; it seems like a reasonable possibility, everyone worries about it, and it never happens.

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Just now, Nimrodor said:

1.4 is considered perfectly normal for a 24/7 OC. Worrying about a slight voltage increase significantly affecting the lifetime of a CPU is like worrying about a tower cooler destroying your motherboard; it seems like a reasonable possibility, everyone worries about it, and it never happens.

1.4 is NEVER considered a safe voltage for 24/7 usage on INTEL.

 

AMD on the other hand 1.45 is perfectly fine and some people even push to 1.5 


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3 minutes ago, Nimrodor said:

1.4 is considered perfectly normal for a 24/7 OC. Worrying about a slight voltage increase significantly affecting the lifetime of a CPU is like worrying about a tower cooler destroying your motherboard; it seems like a reasonable possibility, everyone worries about it, and it never happens.

Uh no 1.4 is a pretty big 24/7 OC. Not worth the risk to OC further. And no, it happens. Just not at as high of a rate as most people think.


"There is a fine line between not listening, and not caring. I'd like to think I walk that line every day of my life."

 

 

Spoiler

Desktop:

Spoiler

CPU: Ryzen 3 1200 @3.9ghz w/stock cooler, Motherboard: MSI X370 GAMING PLUS, RAM: Corsair Vengeance LPX 8gb DDR4-2600, Storage: WD Blue 1TB 5400RPM, GPU: MSI 1050Ti, Case: Silverstone GD01, PSU: Corsair RMx 450w, Keyboard: Redragon K552, Mouse: Hiraliy F300

Laptop:

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Dell Chromebook 13

 

 

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Just now, N1ghtshade said:

Yes, I know. It's not a super ridiculous 24/7 OC. But, still not worth the risk. And no, it happens. Just not at as high of a rate as most people think.

 

1 minute ago, Jrock said:

1.4 is NEVER considered a safe voltage for 24/7 usage on INTEL.

 

AMD on the other hand 1.45 is perfectly fine and some people even push to 1.5 

I can't find a single failure caused by 1.4V (or even slightly higher). Overclocking causing damage comes from competitions where 1.8+ is common. Often enough the board fails before the CPU. 

 

Siliconlottery also sells its CPU's binned at 1.44V.

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Just now, Nimrodor said:

I can't find a single failure caused by 1.4V (or even slightly higher). Overclocking causing damage comes from competitions where 1.8+ is common. Often enough the board fails before the CPU. 

 

Siliconlottery also sells its CPU's binned at 1.44V.

Still, you've gone far enough. 1.4 ghz is a damn good 24/7 OC, and if I were you, I wouldn't push it any further.


"There is a fine line between not listening, and not caring. I'd like to think I walk that line every day of my life."

 

 

Spoiler

Desktop:

Spoiler

CPU: Ryzen 3 1200 @3.9ghz w/stock cooler, Motherboard: MSI X370 GAMING PLUS, RAM: Corsair Vengeance LPX 8gb DDR4-2600, Storage: WD Blue 1TB 5400RPM, GPU: MSI 1050Ti, Case: Silverstone GD01, PSU: Corsair RMx 450w, Keyboard: Redragon K552, Mouse: Hiraliy F300

Laptop:

Spoiler

Dell Chromebook 13

 

 

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The first thing you should do is set your cache to 4.4 and see if you can go higher/tighter on the memory.

 

Edit: I see you are 125×35.


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The "safe voltage" question is hard to answer because you're slowly adding more stress on the system. Personally, I got 4.6 stable @ 1.36Vcore but I never run that 24/7 because the difference between 4.2 and 4.6 for me is impossible to notice, however the difference between 1.36 and 1.29 takes some anxiety off my mind. Ultimately, it's what you're personally comfortable with and how confident you are in your cooling system.

 

To answer OP's question, voltage increasing is the only thing I can think of to increase the clickspeed. 

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Posted · Original PosterOP

thanks for the answers guys. i think the voltage v speed benefit ratio is terrible. i have to raise it by 0.6 volts for a measly 100mhz. i don't think it is worth it. i will be keeping it at 4.4@1.335V for 24/7 use. i think it is a decent overclock for this chip.

 

also do you think increasing the cache is of any use? 

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1 hour ago, Clarifiante said:

thanks for the answers guys. i think the voltage v speed benefit ratio is terrible. i have to raise it by 0.6 volts for a measly 100mhz. i don't think it is worth it. i will be keeping it at 4.4@1.335V for 24/7 use. i think it is a decent overclock for this chip.

 

also do you think increasing the cache is of any use? 

Other then generating a ton of heat, overclocking cache usually is not worth the heat and energy consumption. You might have some gain in some workloads, but the diminishing returns are real. If you do decide to overclock your cache try to keep the voltage below 1.35v unless your cooling solution can handle the dissipation. 


Build

SUPER_PIXEL_COLLIDER

Mobo: Asus x99a II  ||||| Ram: 32 GB Crucial Balistix Sport (White) ||||| CPU: Intel I7 6800k @ 4.35GHz ||||| GPU: ASUS GTX 1080ti Poseidon Platinum  ||||| Mouse: Logitech G900 Chaos Spectrum ||||| Headset: Logitech G930 {Gave it away} ||||| Keyboard: Logitech G810 Orion Spectrum ||||| Monitors: Acer XG270HU x2 ||||| AudioStuff: ONKYO DAC HA200 / Audio Techinca ath-m50x Edition Green / MXL TEMPO KR USB Condenser Microphone ||||| Storage: 4 TB WD Black --- 2 TB WD Red --- Crucial MX300 525GB M.2 SATA Ver.  ||||| Custom Loop -  Radiators: 1x360 1x240 Pump: Swifttech MCP355 Res: Alphacool Eisbecher 150mm ||||| Case: Phantek Enthoo Evolv ATX Tempered Glass ||||| PSU: Seasonic X series GOLD 1250w

 

 

Laptop: Dell XPS 15 9570 4k With a Logitech MX Master

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