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THE Temps Thread: "let's compare"

L

lightworker

macrumors member
Original poster
Apr 29, 2010
50
0
Hi everyone!
The forum it's full of temperature threads and it've become difficult to find a "place to go" to compare our temps.

So I was searching for a thread like this one, and having found none, I decided to create one.

The idea it's to post here our main temps.

It would be nice to post wich program has been used to monitor.

The requerible test to post, it's to open 4 terminals and shoot a yes > /dev/null in all of them.
So, open 4 terminals and in everyone write this: yes > /dev/null, then push Enter.

edit: people with C2D, just shoot 2 terminals, cause there is no hyperthreading. So you only have to test your 2 physical cores.


I start:

Model: MBP i7 15" HR-AG HDD 500GB@7200rpm RAM@4GB
Program used: iStat Pro Widget.
Average CPU Idle: 40ºC.
Full CPU: 101ºC
Fans Idle: ~2000rpm.
Fans Full: ~5100rpm.
Fans started : @ ~90ºC.
Full CPU after fans: ~85ºC.


- (good to use this same template, or similars)
- (screenshoots welcome!)
 
After 13 minutes of "yes > /dev/null" in four Terminal windows:

Model: MBP i7 17" HDD 500GB@7200rpm RAM@8GB
Program used: Hardware Monitor
Average CPU Idle: 90F (31C)
Full CPU: 219F (104C)
Fans Idle: 1992 rpm
Fans Full: 3407 rpm
Fans started : @ ???
Full CPU after fans: ???
 
Don't let it go down people!
Let's give it a use! It's important for every owner, to know if we are on the "specs" or not!
 
After 13 minutes of "yes > /dev/null" in four Terminal windows:

Model: MBP Core i7 2.66GHz 15" HDD 500GB@7200rpm RAM@4GB
Program used: Hardware Monitor
Average CPU Idle: 100F (38C)
Full CPU: 219F (104C)
Fans Idle: 1999 rpm
Fans Full: 5476 rpm
Fans started : n/a
Full CPU after fans: n/a
 
Model: MBP C2D 3.06GHz 17" HDD 500GB@7200rpm RAM@4GB
Program used: Hardware Monitor
Average CPU Idle: 133F (56C)
Full CPU: 219F (104C)
Fans Idle: 1994 rpm
Fans Full: 5302 rpm
Fans started : n/a
Full CPU after fans: n/a
 
Model: MBP C2D 2.53GHz 15" 250GB@5400rpm RAM@4GB
Program: iStat Pro
Average: 50-55C
Full CPU: 99C
Fans at full: 4500rpm
Fans started: 90C~
Full CPU with fans: 99-97C

Nothing to worry about.
 
I notice that the max temps are all around Tjmax - perhaps the CPU is throttling automatically (and possibly by different amounts - if the heatsink mounting is not identical).

For even better reference I think ppl should post core voltages + clock speeds at max. load as well.
 
Great idea for a thread - some facts not opinions
Could people post their CPU heatsink temps as well - I'd be interested in the difference

Stupatrooper https://forums.macrumors.com/threads/904861/
got:

Model: MBP Core i7 15"
Program used: iStat Pro
Average CPU Idle: unknown
Full CPU: 100 C
Heatsink at full CPU: 56 C
Fans Idle: 2100 rpm
Fans Full: 5000 rpm
Fans started : unknown
Full CPU after fans: 91 C
Heatsink after fans: 58 C

Note: he used Cinebench not yes > /dev/null
 
My 13"

Model: 13" MBP C2D 2.26 GHz late 2009
Program used: iStat Pro
Average CPU Idle: ~45 C
Full CPU: 103 C
Heatsink at full CPU: ~83 C
Fans Idle: 2100 rpm
Fans Full: 3500 rpm
Fans started : ~100 C
Full CPU after fans: 90-95 C*
Heatsink after fans: 70-75 C

* I think depends on other factors, eg what the GPU is doing or how hot the HDD is. If it's doing graphic or disk intensive tasks the fans run faster and the CPU a bit cooler. If it's just running yes > /dev/null it gets to about 95 C every time.
 
Azathoth said:
I notice that the max temps are all around Tjmax - perhaps the CPU is throttling automatically (and possibly by different amounts - if the heatsink mounting is not identical).
Click to expand...

I don't think so but interesting idea. I've done some tests on mine running FFT loops and the time to complete a loop never changes even when the CPU is at maximum temperature (102 or 103 on mine).

I think Apple is smarter than that - I think it's designed a fan algorithm which allows the CPU to just slide under Tj,max. I guess Apple & Intel might have a big spat if there were long term reliability problems and it turned out Apple was routinely ignoring Intel's "never exceed" specs.

Of course YMMV and others might see throttling. Do you know a good program for me to check this? Something like iStat that doesn't mess around with my firmware.
 
One thing that used to get the fans cranking was just streaming a video from Netflix. On the new MBP i7, it never gets above 160F and the fans are loafing at 2000rpm.

Do you guys have "Automatic graphics switching" enabled? Or disabled?
 
i was thinking about getting a incase hardshell case. Does anyone have any comparisons in temp with it on and off?
 
Model: MBP i7 15" HR-AG HDD 500GB@5400rpm RAM@4GB 330 ACTIVE
Program used: iStat Menu 2.0
Average CPU Idle: 45ºC.
Fans Idle: ~2000rpm.
Fans Full: ~6000rpm.
Fans started : @ ~98ºC.
Full CPU after fans: ~88ºC.

These should be taken with both the intel gpu, and 330, but mine is with the 330 on, Im guessing heats up more?

Also, handbrake running on Normal, with 2 terminal's 'yes > /dev/null'

Intel GPU only
Program used: iStat Menu 2.0
Average CPU Idle: 45ºC.
Fans Idle: ~2000rpm.
Fans Full: ~5000rpm.
Fans started : @ ~93ºC.
Full CPU after fans: ~82ºC.
 
Wow a lot of you are running hot as hell

Model: MBP i7 15" HR-AG HDD 500GB@5400rpm RAM@4GB 330 ACTIVE
Program used: iStat Menu 2.0
Average CPU Idle: 45ºC.
Fans Idle: ~2000rpm.
Fans Full: ~5900rpm.
Full CPU after fans: ~86ºC 187F
 
The high numbers are peaks. Can someone post their results with an i5? I'm waiting on my i7 to even ship still, and am curious.
 
Model: MBP i7 17" HDD 500GB@7200rpm RAM@8GB
Program used: iStat Pro Widget
Average CPU Idle: 63C
Full CPU: 90C after fans
Fans Idle: 1992 rpm
Fans Full: 5900 rpm
Fans started : ?85 or so?
Full CPU after fans: 90-95C

Any idea why my idle temp seems so high?
 
jpow112 said:
Any idea why my idle temp seems so high?
Click to expand...

Your full load temps don't seem different from the other posters so I doubt there's anything "wrong". Are you sure it was completely idle? No Flash in Safari, no Spotlight drive indexing, complicated animated widgets? When my C2D is idle iStat Pro shows 97-92% idle with occasional spikes up to 90% or 85%.
 
Might I remind everyone that your ambient temperatures will affect your notebook temps.

So in my humble opinion, the temperature of the room should be posted too.
 
Model: MBP Core i7 15" 500GB@7200RPM 4GB
Program used: iStat Menus
Average CPU Idle: 35-45 C
Full CPU: 98 C
Heastink @ Full CPU: 60 C
Fans Idle: 1999 rpm
Fans Full: 5400 rpm
Fans started : 94 C
Full CPU after fans: 82 C
Heastink @ Full CPU after fans: 55 C

Room ambient: 22 C

It's actually weird how the fans behave, while doing regular tasks and light multitasking (firefox, itunes, downloads) fan rmps are going up a bit up to 2500-3000rpm But when launching really heavy apps from idling state, fans will not kick in before really high temps like 85-95 C

Never gets past 85 C if minimum fan speed set to 4000 rpm.
 
Model: MBP i7 17" HDD 500GB@5400rpm RAM@4GB 330m on full time.
Program used: istat
Average CPU Idle: (40C)
Full CPU: 219F (74C)
Fans Idle: 1992 rpm
Fans Full: 3999 rpm

ive been converting a lot of videos all day and i love who it stays so cool. the HIGHEST ive ever seen it was 81c. and that was in a hot room. normaly it wont pass 74c
 
Model: MBP i7 15" HR-AG 8GB 500GB@5400rpm
Program used: iStat Pro Widget
Average CPU Idle: ~35ºC
Full CPU: ~98ºC
Fans Idle: 2000rpm
Fans Full: 3500rpm
Full CPU after fans: ~85ºC
CPU Heatsink (full CPU after fans): ~55ºC
 
Ha.. my Core Duo runs cooler then most of ya'alls.

Model: MBP 2.16GHz CD, 2GB, 10.6.3
Program used: iStat Pro Widget.
Average CPU Idle: 45ºC - 50ºC
Full CPU: 67ºC
Fans Idle: ~1000rpm.
Fans Full: ~3700rpm - ~4000rpm.
Fans started: @ ~60ºC.
Full CPU after fans: ~64ºC.
 
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