Overclocking an I5 4670k on stock cooler? & Budget PC advice.

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Lew7989

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Jan 20, 2017
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Hello, Thanks for taking the time out to view this.
I'm getting an i5 4670k, I was wondering if 1. Overclocking it would improve gaming performance, & 2. Would it be safe to overclock it on a stock cooler? If so, what would be the max?
The MoBo i'm getting is an MSI Z97 Pc Mate,
The GPU is an Asus Srix Gtx 970,
The Ram is 8gb Corsair Vengeance DDR3 @ 1600Mhz (May overclock if it will improve performance much)
The PSU is a Corsair TX 650.
Thank you.
(Could someone tell me if this is a good deal please? I'm building everything including a Case & a HDD for £360? )
 
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synphul
Honestly if looking to overclock you'd be better off with an aftermarket cooler. Consider something like a cryorig h7 or similar at the least. Lodders got a bit lucky with a small overclock being able to run low enough vcore to be able to use their stock cooler, it's not the norm so don't expect yours to run the same way. Case airflow, ambient room temps, the cpu itself all factor into it. Some cpu's can achieve a small multiplier bump with low manual set vcore, others may require a significant amount of vcore increase to achieve 4.1ghz. It's the silicon lottery.

Overclocking the ram is liable to put a bit more stress on the cpu (internal memory controller) and benefits may be minimal depending on the game. I would say if you're...
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lodders

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Have a quick look at my signature.... you can overclock with a budget motherboard and the stock cooler, but 4.1 or 4.2Ghz is the max.
But if you want to spend $$$$$$ more on a Z series motherboard and a better cooler, you can go 10% faster. IMHO this is not worth it.
 
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lodders

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Gaming, it runs at 65° ish. Running a benchmark, it can get to 77°C I wouldn't want to go any hotter than this....
Key is to run the CPU at Vcore as low as possible for your overclock.
A big overclock requires higher Vcore.... but a H81 motherboard cannot provide sufficient power to do this, you would need a Z series.. More Vcore gives A LOT of extra heat, so you also need a big cooler
 
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synphul

synphul

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Mar 11, 2011
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Honestly if looking to overclock you'd be better off with an aftermarket cooler. Consider something like a cryorig h7 or similar at the least. Lodders got a bit lucky with a small overclock being able to run low enough vcore to be able to use their stock cooler, it's not the norm so don't expect yours to run the same way. Case airflow, ambient room temps, the cpu itself all factor into it. Some cpu's can achieve a small multiplier bump with low manual set vcore, others may require a significant amount of vcore increase to achieve 4.1ghz. It's the silicon lottery.

Overclocking the ram is liable to put a bit more stress on the cpu (internal memory controller) and benefits may be minimal depending on the game. I would say if you're getting the whole system for that price it's a good price. Also keep in mind the temps of the cpu may be a bit higher, the 4690k and 4790k were devil's canyon edition where intel did a little tweaking to the tim material between the cpu cores and ihs to improve it over the haswell and haswell refresh cpu's which include the 4670k. It was intended to help improve temps.

Even running at stock the cpu should still be a decent gaming cpu. If you insist on oc'ing with the stock cooler just be careful and increase the multiplier one step at a time and test it for stability. Pay real close attention to temps, you're not going to have a lot of leeway to work with on the stock cooler. In general it's not recommended.
 
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lodders

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Everything synphul said is true - his comments are the other side of the same coin...

From my own experience, I once bought a 3570k, a big cooler and a Z series board, but I was unlucky in the silicon lottery, my CPU is unstable at high speeds, and so end up with a very disappointing 4.1Ghz overclock.
A couple of years later I bought a 4690k with a budget motherboard, used the free cooler, but this time I was lucky in the silicon lottery, and ended up with a faster PC for a lot less money.
All overclocking is limited by how good your cooler is and how good your motherboard is, and you always have to be careful increasing your multiplier and watching your temperatures...

IMHO the additional cost of motherboard and big cooler are not cost effective. Lets say my 4690k would go to 4.7Ghz maximum. That is 10% faster than it is running now. For that I would need to spend £100 more, on a PC that only cost £500
 
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