Simple test to compare temps and fan speeds

[propower]

Hey all,

There is a simple test we can all do to do some (hopefully) objective comparisons......

Get CPU test http://www.coolbook.se/CPUTest.html (free)
Set laptop on table (or similar)
Open lid (I did at 90 degrees)
unplug any powered peripherals
unplug any external monitor

Get either istat menu demo (14day free) or free istatpro widget
http://bjango.com/mac/istatmenus/
Set CPU tab to show multiple instances as one item
Sensors to show CPU or CPUA (not CPU1 or CPU2)
Degrees in Celsius

Set CPU test at
Test Type = Small
Repititions = Unlimited
Instances = 1

Run for 10 minutes undisturbed and report
1) System load =
2) Use your best guess for average CPUtemp (mine jumped around a bit)
3) Exhaust Fan rpm

On my 2011 i7 2.7 13.3 MBP I get.......
System Load = 26%
CPU temp = 75 to 80 degC
Fan rpm = 4000

Any one else want to play??

-Lee

 

[gerlitzappel]

2008 c2d 2.53 15 mbp

Thanks Lee, I've been wondering if my MBP runs hot, had to have the battery replaced about 2 years in due to swelling. I was surprised to see that our temps
were pretty much the same.

Jason

1) System load = around 50% for user but system was as low as 0%, it looked like CPUTest was using 100% of one of my cores
2) average CPUtemp. probably 78 Celsius
3) Exhaust Fan rpm, anywhere from 4200 to 5200, both fans

 

[Exana]

CPU won't be hot using only 1 instance.

MacBook Pro 15” 2011 Core i7-2720QM 2,2 GHz

As request :
System Load = 0 to 12%
CPU temp = 68 to 70°C
Fan rpm = 2600
Finished tests = 650
Elapsed time = 10 minutes


With 8 instances :
System Load = 99 to 100%
CPU temp = 86°C
Fan rpm = 4700
Finished tests = 2144
Elapsed time = 10 minutes

BTW, I could be nice to tell about Finished tests within 10 minutes.

 

[Jmouse]

Thanks will be doing this shortly.

 

[nebulos]

sweet!

i don't know about this stuff, so i can't judge the methodology, but this is precisely the kind of thread needed to clarify this topic.

is this intended to test 'medium load', as opposed to the extremes: idle, heavy load? ... this is what some complained about in the 'if concerned about temps, wait for ivy ..." thread. (by the way, i had some questions for you over there. and, again, THANKS for the post there!)

anyways, thanks again for more great work! i hope many will participate.

 

[slumpey326]

Will try tomorrow for sure

 

[Mik3F]

MacBook Pro 2011 Core i5 2,3 GHz 13"

As request :
System Load = 0 to 12%
CPU temp = Mid 70's to 81 degC
Fan rpm = 2800

 

[gerlitzappel]

2008 c2d 2.53 15 mbp w/8 instances

mine finished quite a few less tests than the i7, not suprisingly