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i7-3770K overclocking with a GeminII M4

post #1 of 8
Thread Starter 
I currently have an i7-3770K and am interested in overclocking it, but I'm unsure about my limits with using my current Cooler Master GeminII M4 cpu cooler. Is this cooler sufficient for overclocking, how far do you think I could go with the overclock, and if it isn't that sufficiant, any suggestions on a better cooler?

Specs:

Win7 64-bit
8GB RAM
240GB SSD
Intel i7-3770K
Intel DZ75ML45K motherboard
EVGA Geforce GTX 970 SC ACX 2.0
EVGA 500w PSU
post #2 of 8
What case do you have, what case fans & their placement and what are your temps now?
post #3 of 8
It is really going to depend on your CPU. Some 3770 will OC a fair amount with no voltage bump at all, or a very small one, while some require more. The Geminii M4 is not going to be up to the task if you have a chip that needs a larger bump to OC. It is going to be trial and error on your part to see where you can take it.

As @doyll pointed out, knowing your case and fan configuration, along with your current temps in a repeatable synthetic stress test (OCCT, AIDA64, IBT, etc) are a big part to helping you.
post #4 of 8
Thread Starter 
So I have a Rosewill LINE-M Micro-Atx case with 1 front intake, 1 rear exhaust, and 2 side intake fans, all stock Rosewill fans. I do plan on using stuff like OCCT, Cinebench, and IntelBurnTest, but I just want to clear up something I stumbled upon in the BIOS first. The i7-3770K has a base TDP of 77W, and my Geminii M4 has a tdp of 95W. So in the BIOS under the Intel Overclocking Assistant, the "Sustained Mode Power Limit (Watts)" at the base clock is listed as "77", so I assume this must be the TDP.

X6AFrR1.jpg

Although if I overclock even one step up from 3.90GHz to 4.00GHz, the Sustained Mode Power Limit jumps from 77 all the way to 180, way past the TDP of my cpu cooler. Is this normal reading for such a slight overclock? And if it is, I assume this implies I'd have to get a much higher TDP cooler if I wanted to any overclocking at all.

aFIKwRT.jpg

Anyhow here's the rundown for my temps as you asked:

CPU idles around 38-40°C and never goes above 50°C under load.

Mobo idle's at 30°C and hardly chages under load.

GPU idles at 40-45°C and reaches usually around 60°C under load.
Edited by Boosh511 - 7/30/16 at 8:59am
post #5 of 8
Quote:
Originally Posted by Boosh511 View Post

So I have a Rosewill LINE-M Micro-Atx case with 1 front intake, 1 rear exhaust, and 2 side intake fans. I do plan on using stuff like OCCT, Cinebench, and IntelBurnTest, but I just want to clear up something I stumbled upon in the BIOS first. The i7-3770K has a base TDP of 77W, and my Geminii M4 has a tdp of 95W. So in the BIOS under the Intel Overclocking Assistant, the "Sustained Mode Power Limit (Watts)" at the base clock is listed as "77", so I assume this must be the TDP.

X6AFrR1.jpg

Although if I overclock even one step up from 3.90GHz to 4.00GHz, the Sustained Mode Power Limit jumps from 77 all the way to 180, way past the TDP of my cpu cooler. Is this normal reading for such a slight overclock? And if it is, I assume this implies I'd have to get a much higher TDP cooler if I wanted to any overclocking at all.

aFIKwRT.jpg

Anyhow here's the rundown for my temps as you asked:

CPU idles around 38-40°C and never goes above 50°C under load.

Mobo idle's at 30°C and hardly chages under load.

GPU idles at 40-45°C and reaches usually around 60°C under load.

Since the TDP rating of coolers isn't measured in any type of regulated way they are completely meaningless. I can market a packet of ketchup and claim that it has a 300W TDP if I want to. However, the 95W on that cooler is about accurate. I tried to cool a 125W Phenom with it when I reviewed it and it completely fell apart - couldn't even cool it at stock speeds.

Letting your BIOS do some sort of auto OC is usually a really bad idea. The reason being, they err on the side of stability for the worst possible CPU specimens, meaning that 99% of the time they are going to put more voltage to the CPU than is necessary, resulting in higher temps. I would recommend that you start this process by getting familiar with OC basics for your CPU, and trying some mild OC with you setting the parameters. This thread is ASUS MB specific, but has some great general IVY OC links in the first post - http://www.overclock.net/t/1291703/ivy-bridge-overclocking-guide-asus-motherboards

You are going to need OCCT, AIDA64, IBT, x264.....something that is an actual stress test that is repeatable and can actually test stability. You are going to need to make sure you are actually stable when you OC. Idle temps mean less here than your favorite flavor of Pop Tarts, and "under load", "while gaming", etc can mean anything - which makes them less relevant to overclocking than your favorite flavor of Pop Tarts. thumb.gif

BTW - I think Pop Tarts are pretty disgusting.
post #6 of 8
Thread Starter 
_
Edited by Boosh511 - 7/30/16 at 11:12am
post #7 of 8
Thread Starter 
Quote:
Originally Posted by ciarlatano View Post

Since the TDP rating of coolers isn't measured in any type of regulated way they are completely meaningless. I can market a packet of ketchup and claim that it has a 300W TDP if I want to. However, the 95W on that cooler is about accurate. I tried to cool a 125W Phenom with it when I reviewed it and it completely fell apart - couldn't even cool it at stock speeds.

Letting your BIOS do some sort of auto OC is usually a really bad idea. The reason being, they err on the side of stability for the worst possible CPU specimens, meaning that 99% of the time they are going to put more voltage to the CPU than is necessary, resulting in higher temps. I would recommend that you start this process by getting familiar with OC basics for your CPU, and trying some mild OC with you setting the parameters. This thread is ASUS MB specific, but has some great general IVY OC links in the first post - http://www.overclock.net/t/1291703/ivy-bridge-overclocking-guide-asus-motherboards

You are going to need OCCT, AIDA64, IBT, x264.....something that is an actual stress test that is repeatable and can actually test stability. You are going to need to make sure you are actually stable when you OC. Idle temps mean less here than your favorite flavor of Pop Tarts, and "under load", "while gaming", etc can mean anything - which makes them less relevant to overclocking than your favorite flavor of Pop Tarts. thumb.gif

BTW - I think Pop Tarts are pretty disgusting.

Cool, thanks so much for your help, I will definitely look into getting these stress tests done, although one last thing, If I do go about replacing this cpu cooler, would you have any good suggestions? I have an LGA 1155 socket, and I would surely want to get something with a much higher tdp for decent overclocking. I understand what you said about tdp being unreliable, but I do think it's a sure fact that the Geminii M4 isn't quite up for the task. Most of the "high-performance" coolers on the market seem to be around 180W tdp, such as the Hyper 212 Evo, however considering this cpu hits 220W tdp at 4.50GHz, at least that's what it reads, would something like this https://www.amazon.com/Thermaltake-NiC-120mm-Cooler-CLP0607/dp/B00E1JA1VO/ref=sr_1_fkmr1_1?ie=UTF8&qid=1469899318&sr=8-1-fkmr1&keywords=220+tdp+lga+1155+cpu+cooler be more suitable for higher overclocking, or would I be fine with just a 180W one? I'm also a little uncertain on whether or not these high-profile cooler would fit in my case.
post #8 of 8
people on newegg said the 212 can fit but it's too tight / cramped and not recommended. i'd stick to something low profile, since you're using a mini atx case. The cpu cooler u mentioned should fit.
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