VOGONS


First post, by C0deHunter

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Hello all,
I have a boxed i5-3450 which comes with its own retail heatsink-fan.

Now, on a separate build, I am trying to install an i7-4790, but I don't have any heatsink-fan for it. Can I use the i5's heatsink for it?

What about the CPU? would 3rd gen CPU (LGA 1155) with on a 4th gen (1150) Motherboard?

Thanks!

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Reply 1 of 36, by brian105

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The mounting is identical between the two generations so it will work.
Edit: CPU will not work between the 2 boards. Different sockets (LGA 1155 vs 1150)

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Reply 2 of 36, by ElectroSoldier

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No it wont work, its a different socket, so it wont fit, and even if it was the same socket the cooler for the i5 doesnt have the TDP rating needed to cool an i7-4790 properly.

Reply 3 of 36, by Disruptor

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No, the main new and exclusive feature to socket 1150 (Haswell, Haswell Refresh, Broadwell) is FIVR (fully integrated voltage regulation).

Reply 4 of 36, by megatron-uk

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The heatsink should be fine. I have just swapped a i7 3770 hsf onto a i7 4790S - the 3rd gen heatsink was bigger, though both were OEM designs rather than intel parts.

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Reply 5 of 36, by ElectroSoldier

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megatron-uk wrote on 2023-09-09, 12:51:

The heatsink should be fine. I have just swapped a i7 3770 hsf onto a i7 4790S - the 3rd gen heatsink was bigger, though both were OEM designs rather than intel parts.

Yeah but the stock cooler for the i7 3770 is bigger than the stock cooler for the i5.
Mine was.

As in the fins of the cooler are taller.

Reply 6 of 36, by megatron-uk

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Completely depends on what OEM solution was supplied with the device as to which is better. But in terms of the original question - yes the hsf will fit.

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Reply 7 of 36, by megatron-uk

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There's also only a 7w tdp difference between the 3450 and 4790 (77w Vs 84).

Even if not optimal it should get you by until you can source something more substantial.

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Reply 8 of 36, by Horun

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I agree ! Many Intel i5 fans are nearly same as i7 fans in the 3000 and 4000 series. When you jump to say the 7000, 8000 or 9000 series then it becomes a different situation.
The i7-8700 Intel genuine fan BXTS15A (for 7000/8000/9000/10000 series i7) is a beast compared to the i5 variant of same series.....

Hate posting a reply and then have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. Stuff: https://archive.org/details/@horun

Reply 9 of 36, by ElectroSoldier

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The Intel stock coolers are very basic. They are just enough to do the job of cooling the CPU they are supplied with.
While its true an i5 3rd gen cooler will cool an i7 4th gen it wont do it very well at all because guess what its not designed to do it. Thats why Intel supply a different cooler with the i7 CPU... Because according to Intel it needs a different cooler, which is why they dont keep supplying the same cooler over and over again.
So yeah while what megatron-uk and Horun is true Intel dont seem to agree with them, even though they would make more money on the sale if they did.

It will run hot if you use an i5 3rd gen cooler on an i7 4th gen CPU. Hotter than it would if it was using a cooler designed to cool it.

I would get a cooler designed to cool the CPU you want to cool if I were you, even though the i5 cooler will give the impression its working because its covering the heat spreader.

Reply 10 of 36, by Standard Def Steve

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The stock i5-3450 cooler will fit atop an i7-4790, but watch out! Intel's typically quite stingy with their stock coolers, and the 4790 can guzzle down a lot more power than the i5-3450. Far more than the 7w TDP difference might lead you to believe. Run anything that uses AVX2 and that 4790 will get hot, hot, hot!

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Reply 11 of 36, by pentiumspeed

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You will need a tower heatsink for that processor. I was able to purchase new Bequiet heatsink tower for the i7 like you have for that processor. When I upgraded the family's PC to i7-4790K, the low profile intel heatsink couldn't keep up with wattage load and loud. So I went and replaced that little heatsink that served us well for more than 10 years with a bequiet! tower heatsink. Back to quiet and much faster in software performance.

Cheers,

Great Northern aka Canada.

Reply 12 of 36, by megatron-uk

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Just to be clear - neither of the hsf that were fitted to my 3770 and 4790 were stock Intel parts; these processors were sourced from some motherboards on eBay that were from a couple of OEMs; not first tier like HP or Dell, but big enough to spec their own parts.

The 4790S part was substantially shorter than the part fitted to the 3770, and these parts would have been in corporate service for a minimum of 5 years before disposal on eBay.

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Reply 13 of 36, by pentiumspeed

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Disposed of long ago. Haswell and ivy bridge were already disposed of around 2015 or so, as both were released new around 2010 and 2011. That was when I was able to afford cheap parts, hence the Z220 is how I got around that time. Most large corps go through 3-4 years cycle and is disposed of quickly, no place to , also expensive to store them for long time.

Cheers,

Great Northern aka Canada.

Reply 14 of 36, by C0deHunter

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I’m thinking about ordering a Cooler Master i70 CPU Cooler - 120mm.
I think it would be good, as a Hyper 12 Evo seem overkill and too cumbersome.

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Reply 15 of 36, by pentiumspeed

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Bequiet! tower cooler I bought was not too expensive and much better quality than Coolermaster's which I had as well, the coolermaster fans is not optimum.

Cheers,

Great Northern aka Canada.

Reply 16 of 36, by C0deHunter

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Can’t find Bequite! Brand on eBay

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Reply 17 of 36, by C0deHunter

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If I don’t overclock, would the i5 be ok?
I’m not worrying about heat or noise.

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Reply 18 of 36, by DerBaum

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C0deHunter wrote on 2023-09-11, 18:22:

Can’t find Bequite! Brand on eBay

Its BeQuiet! .

I (as a german) would of course recommend a (german) BeQuiet! solution over for example a Noctua (Austria) cooler... 😏
Austria seems to like brown coolers... We in germany dont like brown for some (complicated historical) reason 😏

FCKGW-RHQQ2

Reply 19 of 36, by pentiumspeed

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Yes, "BeQuiet!".

The one I used for this was Pure Rock 2 version.

Cheers,

Great Northern aka Canada.