TDP and noise

[UpsIWentToTheWrongDoc]

Hey, I was wondering if getting a lower TDP CPU is better for building a silent PC. Lower TDP means less heat = less rpm = less noise. But how much differences does it make?

I'm looking at the new i7-6700 (65W) and i7-6700T (35W). The 6700T is less powerful than the 6700 and costs about the same, so if you're comparing price to performance it's a bad deal. But I'm more interested in noise.

[Godlygamer23]

You can simply get a cooler that can allow the fan(s) to run at lower RPMs. Also another factor in noise is the quality of the fans themselves. If the fans are terrible, you may get more noise from the bearings.

[KamiKatze]

Hey, I was wondering if getting a lower TDP CPU is better for building a silent PC. Lower TDP means less heat = less rpm = less noise. But how much differences does it make?

I'm looking at the new i7-6700 (65W) and i7-6700T (35W). The 6700T is less powerful than the 6700 and costs about the same, so if you're comparing price to performance it's a bad deal. But I'm more interested in noise.

 

 

Don't worry about getting a CPU with more heatoutput. Just counter that by getting a bigger CPU cooler. the bequiet Dark Rock 3 (or even the Pro version) is a very good CPU cooler for silent air cooling. It is amssive and will distribute the heat onto a big surface are so you can tune down the fans and ahve them run very quiet.

[manikyath]

its not the TDP that decides how much noise you get, its how efficiently you can get rid of that TDP into the air.

 

i have a 4790K, and i literally dont hear it over the highway thats almost half a mile away from me, with a forest in between.

[don_svetlio]

It depends on the cooler - my Freezer runs @ 1500 RPM - CPU is bellow 50*C at max load and I cannot hear it unless case is open and I am under the desk

[FatalityDiablo]

You might get away with the 65W tdp version, however it is more important what cooler you will be using. I am currently on a G3258, which has a 54W tdp and the noctua nh l12 92mm fan is on its own doing a great job, since the max. power it is using usually is inbetween 20-35W. my next purchase will most likely be a 2.0Ghz xeon, so that I probably will get away with an all passive cpu heatsink. Also I want to mention, without being biased, go for be quiet fans if you really want dead silence in your case. I simply know from experince what is best, because I really like when things are quiet when I am working at my computer

[UpsIWentToTheWrongDoc]

I should add: I'm using a Ncase M1, so I cannot use a big heatsink. That's why I'm trying to find other ways to minimize the noise.

[othertomperson]

Lower TDP means that your fans don't have to do as much, this is true. I think if you put an NH-D15 on a Celeron you probably wouldn't even need a fan.

 

That said, I would sooner upgrade the cooler than use a low power CPU to solve this problem if this is at all an option.

[19_blackie_73]

Hey, I was wondering if getting a lower TDP CPU is better for building a silent PC. Lower TDP means less heat = less rpm = less noise. But how much differences does it make?

I'm looking at the new i7-6700 (65W) and i7-6700T (35W). The 6700T is less powerful than the 6700 and costs about the same, so if you're comparing price to performance it's a bad deal. But I'm more interested in noise.

u can even have a high tdp cpu and a beefy cooler like mine and you don't here it even at full load.

don't save on the cooler.