New build running hot on stock settings? ram slow?

Fraczish

Fraczish

Fraczish

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Joined
23 Sep 2008
Posts
47
Hi Chaps,
Been away for computer building and OCing for some years now so I'm very rusty!
Just put together a new system as in my signature,
Its designed for a workstation really, a bit of everyday stuff and some casual/enthusiastic photo editing with the odd game here or there but nothing to serious.

I am having issues with the temps even at stock, running prime95 for 10 minutes and I'm showing 50 degrees in CPUZ. Does this seem high for "optimised defaults" in bios? Doesn't seem like there's a lot of head room here?

Also my ram appears to be running at 1333mhz??? What's that all about??? My ram is rated at 2400mhz so why is it running so slowly?

Thank in advance guys!
 
Temperature doesn't seem that bad tbh (especially if it's when running Prime 95), what are your idle temps like?

Memory wise you need to activate the AMD equivilent of the XMP profile (sorry not familar enough with the motherboard)
 
Any RAM over 1333MHz is technically OC'd, so as BattFink says, you'll need to activate the correct memory profile in the BIOS. I've got the Vulcan 2133MHz RAM and the profile is built into the memory.

Prime 95 maxes everything out and generates a lot of heat. My i5 4670K at stock speeds runs below 50C at a full gaming load but hits 60-65C+ easily with Prime95.

edit:

I've looked up your mobo manual. In the BIOS under AI Tweaker, there should be an option for memory frequency. The memory profile on the Vulcan DIMMs should be an option.

I've got a Hyper 212 EVO fitted as well. It's much better than the stock cooler, but I wouldn't think it would cope with major OCing.
 
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This is good info guys thanks, so I need to change the setting from auto to 2400? I just assumed the memory would just run at its advertised speed.

I did a pretty rubbish job of fitting the EVO so I have redone it today and the standard temps in prime are around 45... Dropped the multiplyer and raised the clock (steps) to 230 and the temps just go over 50 running prime which seems better.... A long way to go yet but feeling happier at least.

I have noticed my core voltage sits at 1.43-4 on idle yet drops to 1.38 under full load?? Does this sound backwards to anyone?!?! I would have thought it would be the other way around?
 
Fraczish said:
This is good info guys thanks, so I need to change the setting from auto to 2400? I just assumed the memory would just run at its advertised speed.

I did a pretty rubbish job of fitting the EVO so I have redone it today and the standard temps in prime are around 45... Dropped the multiplyer and raised the clock (steps) to 230 and the temps just go over 50 running prime which seems better.... A long way to go yet but feeling happier at least.

I have noticed my core voltage sits at 1.43-4 on idle yet drops to 1.38 under full load?? Does this sound backwards to anyone?!?! I would have thought it would be the other way around?
Click to expand...

50c in prime is very good temps,real world applications wount psh your cpu as much as prime does.


the slight voltage drop under load is called Vdrop,and is perfectly normal behavior,no need to fret.If you can find the LLC settings in your bios you can set it to extreme to reduce the amount of vdrop,but wont really be nessecary unless your trying for an extremely high overclock
 
Ahhh that explains it, I will look for that setting!
1.44 seemed high to me, but the voltage is set to auto as for some reason if I set the voltage manually I seem to get big stability issues even at small clocks...
 
Development….
I decided I needed to Improve the cooling before pushing any further as the temps were not looking all that clever, I have ordered some additional cooling to help but whilst I wait for delivery I wanted to set some benchmarks to see if I make an improvement on not.
I noticed whist running Prime my Vcore temps seemed to get alarmingly high and didn’t seem to stablise. Heres what was happening on the stock 212 evo fan in Push.
Idle shows:

CPU @ 33
VCore1 @ 39
VCore2 @ 38

10mins running Prime shows:
CPU @ 57
Vcore1@ 65
Vcore2 @ 53

I have read about the main flaw in the Evo cooler is the heat between the contact point and the heat sink. After thinking about this for a while I realise that the VRM Heatsinks are also out of the airflow of this cooler. So out of pure experimentation I mounted my fan as low as I could (20mm approx) to allow for air to pass under the heatsink across the CPU and over the vrm heat sinks. I re-ran the same tests and the results showed as follows:
Idle Shows:

CPU @ 31
VCore1 @ 34
VCore2 @ 34

10mins Prime:
CPU @ 54 (stable)
VCore1 @ 59
VCore2 @ 49

Really pleased with those improvements with nothing more than a re posistion of the fan. I don’t know if this is old news but I thought it might be helpful to someone!
 
The Vcores on those boards do seem to get pretty high especially when pushing them.

I've seen up to 90 degrees on mine under prolonged stress tests on prime95 with a high overclock.

Rich
 
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