Intel i7-3770 temps

[marsy212]

I have an i7-3770(non-k) with a stock cooler, i was planning on buying a aftermarket cooler like the coolermaster hyper 212 evo.
My temps currently reach with no OC after running prime95 for a few mins:

Should i be worried with this temps? As i can see there is a big temperature difference between the cores, should i try changing the paste before buying a new cooler?
I mostly game and sometimes render 3d images.

 

[RobCrezz]

No looks pretty normal, the difference in core temp is normal fine. The stock cooler isnt great, I would suggest upgrading it if you are regularly putting your CPU under high load.

 

[CompuTronix]

marsy212,

Too hot.

Here's the normal operating range for Core temperature:

80C Hot (100% Load)
75C Warm
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

Which version of Prime95 and which torture test?

What is your ambient temperature?

 

[marsy212]

marsy212,

Too hot.

Here's the normal operating range for Core temperature:

80C Hot (100% Load)
75C Warm
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

Which version of Prime95 and which torture test?

What is your ambient temperature?

Ambient temp is a bit higher than normal, id say 24/25, i ran the Small FFT test, and this was the result after 2 mins, im kinda scared of this temps. when rendering cinema 4d images, max temp is 82 on core 2, and 75 on core 4 the others are in between.

 

[CompuTronix]

Yes, but once again, which version of Prime95 ... and which torture test?

Please be specific, because it can make a big difference.

 

[marsy212]

Prime verison v28.5 build 2 64 bit.
Torture test: Small FFTs (maximum heat, FPU Stress,data fits in L2 chache,Ram not tested much)

 

[CompuTronix]

marsy212,

Do NOT run any versions of Prime95 later than 26.6. Here's why:

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.5, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces extremely high temperatures. The FPU test in the test utility AIDA64 shows similar results.

Prime95 v26.6 produces temperatures on 3rd and 4th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a 35% larger Die.

Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Run only Small FFT’s for 10 minutes.

Your Core temperatures will test 10 to 20C lower with v26.6 than with v28.5.

Please read this Tom’s Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Thanks,

CT