Kobe Eveleigh :
I think I might shy away from Prime 95, I don't want to risk my PC. I have v29.4 Build 8 installed. Ambient temperature is about 25c. ...
Kobe Eveleigh,
For
thermal testing, use
only Prime95
version 26.6, and be sure to use the Small FFT's test.
• Prime95 v26.6 -
http://www.mersenneforum.org/showthread.php?t=15504
2nd through 8th Generation i3, i5 and i7 CPU's have AVX (Advanced Vector Extension) Instruction Sets. Prime95 versions
later than 26.6 run AVX code on the CPU's Floating Point Unit (FPU) which causes
unrealistic temperatures
up to 20°C higher due to excessively high TDP workloads. Other high TDP utilities have similar results.
AVX can be
disabled in Prime95 versions later than 26.6 by inserting "CpuSupportsAVX=0" into the "local.txt" file in Prime95's folder. However, since Core temperatures will be the same as 26.6, it's easier to just use 26.6.
Kobe Eveleigh :
I think I might try Intel Burn Test though I am a little hesitant.
Do
not use InteBurn Test. Here's why:
Not all loads are created equal. “Stress” tests can be characterized into two categories;
stability tests which are
fluctuating workloads, and
thermal tests which are
steady workloads.
Intel tests their processors at a steady 100% TDP workload to validate Thermal Specifications.
Prime95 version 26.6 Small FFT's is ideal for CPU thermal testing, because it's a
steady 100% workload with
steady Core temperatures that typically runs Core i variants with Hyperthreading and Core 2 processors within +/- a few % of TDP. No other utility so closely replicates Intel's test conditions.
Utilities that don't
overload or
underload your processor will give you a valid thermal baseline. Here’s a comparison of utilities grouped as
thermal and
stability tests according to % of TDP, averaged across six processor Generations at stock settings rounded to the nearest 5%:
Higher TDP tests produce higher Core temperatures. All tests will show 100% CPU
Utilization in Windows Task Manager, which indicates processor resource activity,
not % TDP
workload. Although actual Power dissipation (Watts) varies with Core Speed, Core voltage and workload, Prime95 v26.6 Small FFT’s always provides a steady 100% workload, whether you’re running stock or overlocked.
Kobe Eveleigh :
From what I read Intel stock cooler should usually be okay for CPUs that are never gonna get OC'd.
The i7 7700 has a TDP (Thermal Design Power) of 65 Watts. When Turbo Boost increases frequency from 3.6 to as much as 4.2, such as during gaming, Power consumption (Watts) increases significantly. Since the stock cooler is also rated at 65 Watts TDP, the cooler is easily overwhelmed.
Kobe Eveleigh :
How do i tell if it is not seated properly?
Regardless of which model cooler is installed, the only way to know for certain is to remove the cooler and inspect the thermal compound's "spread pattern" on the CPU. Even despite the stock cooler's problematic push-pins, if they're seated properly, Intel's pre-applied thermal compound typically spreads well.
Kobe Eveleigh :
I have the XMP profile on(For RAM speed above 2400mhz), would it help to disable it? I figured it should do nothing to as far as my CPU goes as it's not the K version.
Depending upon motherboard and BIOS, using XMP can sometimes increase Core temperatures up to about 4°C, so it's best to disable XMP and manually enter the XMP settings into BIOS.
Kobe Eveleigh :
Would I be correct to assume that throttling should kick in before any potential harm to the PC, and that in such case performance should be observably impacted.
Yes. The i7 7700 will Throttle at 100°C, although you shouldn't let it get that hot.
Here's the nominal operating range for Core temperature:
Core temperatures above 85°C are not recommended.
Core temperatures below 80°C are ideal.
Core temperatures increase and decrease with Ambient temperature.
Kobe Eveleigh :
I just had SpeedFan open now and I think it might be indicating the sensors are screwed up
Intel's Digital Thermal Sensors are typically very reliable. Although SpeedFan is highly configurable, it has a steep learning curve. Unless you know how to tweak it, SpeedFan can sometimes show misleading values, and will often mis-label or mis-assign sensors, or give erroneous readings for devices it's unable to monitor, such as System and AUX temperatures, as with yours, which are
not your Core temperatures. To display Core temperatures, click on "Configure", then under the "Temperatures" Tab you can check or uncheck which values you want to be displayed, including each Core.
Kobe Eveleigh :
Chart tab is showing temps in the high 30's while msi afterburner & HWMonitor typically say 44-50c idle.
SpeedFan has a known issue that's persisted throughout many versions where Core temperatures require a + 15 "Offset" for each Core, in order to correctly indicate Core temperatures. Click on Configure>Advanced>Chip>Intel Core>Temperature offset>Set to>Remember it>OK.
For more information, click on Help and-How-To in SpeedFan's Program Group, or click on speedfan.chm in SpeedFan's folder. You can also read the F.A.Q. Tab on their website -
http://www.almico.com/speedfan.php
For accurate, very detailed monitoring information, you might instead want to use the "Sensors" selection in HWiNFO - https://www.hwinfo.com/
Kobe Eveleigh :
I might look into hyper 212 EVO
Any inexpensive cooler with proper fastening hardware and a backplate wold be a great improvement over the stock cooler.
We have a Guide you should read. It's one of the Stickies near the top of the CPU's Forum:
Intel CPU Temperature Guide -
http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html
CT
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