Heat dissipation and noise late 2012 iMac info

[Macintosh1984]

Hi iMac late 2012 owners!

What about heat dissipation and noise on late 2012 iMac?

I want to buy iMac 21.5 i7, Fusion Drive, and know if with Pro Apps and play games after an hour produce a lot heat dissipation and noise.

I'm considering also iMac 27 i7, Fusion Drive, 675MX if with the larger dimension, heat dissipation and noise are better.

Thanks!

 

[sjz88]

My 27" high-end model is cool the touch, even when gaming but there it does make a sound which can be heard constantly. I wouldn't call it noise though. Just a sound it makes.

 

[Macintosh1984]

My 27" high-end model is cool the touch, even when gaming but there it does make a sound which can be heard constantly. I wouldn't call it noise though. Just a sound it makes.

Probably the fan that rotate a high speed respect normal use.

Have you installed iStatMenus http://bjango.com/mac/istatmenus/ to read temp and fan rotation speed?

So you have i7, Fusion Drive 680MX?

 

[dryice589]

I have not been able to do any extensive testing yet, but this is the quietest system I have ever had.

I gamed for about an hour and it was just slightly warm to the touch near the fan outlet and just to the left (looking at the back) of the fan outlet.

Checking iStat, I saw the fan at 1200rpm (not sure if that is slow, fast, or medium), but was practically silent. Overall I would say my 2011 mac mini is about as twice as loud as the iMac has gotton.

I cannot hear the HD at all even when I put my ear close to where the HD is.

 

[Macintosh1984]

I have not been able to do any extensive testing yet, but this is the quietest system I have ever had.

I gamed for about an hour and it was just slightly warm to the touch near the fan outlet and just to the left (looking at the back) of the fan outlet.

Checking iStat, I saw the fan at 1200rpm (not sure if that is slow, fast, or medium), but was practically silent. Overall I would say my 2011 mac mini is about as twice as loud as the iMac has gotton.

I cannot hear the HD at all even when I put my ear close to where the HD is.

This sounds great!

I hope some 21.5 users says something...

 

[sjz88]

Probably the fan that rotate a high speed respect normal use.

Have you installed iStatMenus http://bjango.com/mac/istatmenus/ to read temp and fan rotation speed?

So you have i7, Fusion Drive 680MX?

Temperatures are between 30°C (SSD) and 41°C (CPU) while browsing.
Fan rotation is at 1200 rpm and a constant sound can be heard. It is rather quiet though. Still the machine isn't completely silent even without doing any intensive stuff like gaming. I assume it's the fan and not the HDD but I'm not sure.
Is there any way to turn down the rpm of the fan manually?

 

[Macintosh1984]

Temperatures are between 30°C (SSD) and 41°C (CPU) while browsing.
Fan rotation is at 1200 rpm and a constant sound can be heard. It is rather quiet though. Still the machine isn't completely silent even without doing any intensive stuff like gaming. I assume it's the fan and not the HDD but I'm not sure.
Is there any way to turn down the rpm of the fan manually?

I think that you can control fan RPM with smcFanControl 2.4 http://www.eidac.de/?p=243 but I don't know if the new iMac are supported.

----------

What about 21.5 users?

 

[boto]

Compared to the previous generation top-of-the-line model with the AMD 6970m, I find it less audible and not as hot.

 

[seble]

Since I got my new 21.5 high end. I've been running Sibelius, Logic, some gaming & Garageband all without any fan speed ups, machine did get hotter for Logic though, but I think you'll find it should be okay

 

[vladfein]

...it does make a sound which can be heard constantly. I wouldn't call it noise though. Just a sound it makes.

Any sound that you don't want to hear is called NOISE: www.en.wikipedia.org/wiki/Noise