Low cpu temps. on haswell

wintersun18 · Dec 18, 2013

Hi guys
I built my new rig 3 weeks ago and I have very low temps. I run a Haswell i7 4770K and a Cooler master 212 EVO, so my idle temp. is 20-25 and when its load doesn't go above 35,so I decided to make a small oc to 4,2Ghz and I got just +2 Celsius in both idle and load (22-27 and 37). Also after running prime95 for 3 hours max temp was 55C. is there a possibility that my sensor is reading bad temps? Cause it seems very low as I read that most of ppl have high temps with the cpu.

Rig:
Case: Cooler Master 912 HAF+
Motherboard: MSI Z87 G45 Gaming
CPU: Haswell Intel i7 4770K
GPU: MSI GTX780 Gaming
PSU: OCZ ZX 850W
SSD: SanDisc 128GB

Thanks in advance!

Supahos · Dec 18, 2013

You have a pretty good ventilating case and a good cooler, those temps don't sound impossible. I would keep on keeping on and hope you hit the silicon lottery ;P

jay_nar2012 · Dec 18, 2013

Not all chips will act the same, some will be hotter, some won't be able to overclock much, you probably have a good chip that runs cool.

Plus if you have good airflow then you will have good temps.

k1114 · Dec 18, 2013

What software are you using?

wintersun18 · Dec 18, 2013

@supahos+jay_nar2012 does the case airflow influence on the temperature?

@1114 I run Windows 7 ultimate 64bit

Also in BIOS temps are around 30-32c

k1114 · Dec 18, 2013

Temp monitoring software, windows is irrelevant.

Tradesman1 · Dec 18, 2013

Ambient or room temp also plays in, if in a cool room it helps keep temps down, but sounds like you have a good chip, throw another temp monitoring program on there to take a look at what it shows, something like CoreTemp (free)

jay_nar2012 · Dec 18, 2013

Yes, airflow affects temperature of every component in the PC, even ambient room temperature affects the temperature of your PC.

Deuce65 · Dec 18, 2013

Where are you seeing those numbers, what program are you running?
What is the room temperature?

Can't really answer the question without these two things.

wintersun18 · Dec 18, 2013

I use both coretemp and real temp, room temp is 25c and the msi Intel extrem tuning shows same temps

Deuce65 · Dec 18, 2013

Well than yea the numbers don't add up. If the room is 25c and your monitoring software is showing a temperature range of 20-25c it can't possibly be correct. The CPU can't be cooler than the air in the room.

wintersun18 · Dec 18, 2013

If that's true, what are my options?

wintersun18 · Dec 18, 2013

I put the thermometer in my case and after 15 minutes the temperature was 22c, I think that it doesn't really affect the cpu temperature my room temperature (looks like the front fan of my case is doing quite a job). Is there any other way through my system to check if cpu temp is ok or there is a problem with the sensor?

markw5586 · Dec 24, 2013

I think your probably ok. I have the 4770k in a Haf X case and have been running the stock Intel fan for the past 2 weeks with prime95 max temps at 85 to 90c. Yesterday I switched to the Noctua NH-U12S 120mm fan, and now running prime95, max CPU temps are around 45c. At idle, with the stock fan, i was around 40 to 45c. With the Noctua, i am now between 20 and 25c. Mind you I am not oc, but obviously my sensors are reading correct with such a big difference in readings between the two fans. So to me it doesn't sound impossible, because It sounds like you are relatively close to my readings. I use SpeedFan and AI Suite 3 to monitor my temps, and there is roughly a 3 to 5c difference between the two programs. I plan to oc to around 4,2g in the next couple days, and will let you know what my readings are if you want.

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Low cpu temps. on haswell

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