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[Solved]New to overclocking - 4770K@4.6Ghz on H110 cooling 1.37 vcore, max 87C under stress testing. Temp seems way too low for voltage. Advice? - Page 2

post #11 of 24
Thread Starter 
Quote:
Originally Posted by ep45-ds3l View Post

Okay.. but umm that seems really low to me?? My 3770k @4.8ghz/HT on

I'll retry the test at standard and see if that changes the result - what's your Ram speed?
post #12 of 24
Ram is 1600mhz.. Just ran the test on standard to finish a couple quick runs and show my avg GFLOPS. I'm pretty sure your 4770k should be around 100GFLOPS or so at stock speed..

The only thing I can think of is if you didn't update Win 7 to SP1 some AVX instructions won't work on the bench test or maybe you have HT disabled in your BIOS?

1.37 Vcore on a 4770k should make a very hot CPU.

http://www.overclock.net/t/1411077/haswell-overclocking-thread
Edited by ep45-ds3l - 8/4/13 at 8:45pm
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post #13 of 24
Quote:
Originally Posted by Anon3mous1 View Post

So if I disable HT my total GFLOPS will increase and video rendering performance?

off course not it only get divide by the amount of core smile.gif
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post #14 of 24
Thread Starter 
Quote:
Originally Posted by ep45-ds3l View Post

Ram is 1600mhz.. Just ran the test on standard to finish a couple quick runs and show my avg GFLOPS. I'm pretty sure your 4770k should be around 100GFLOPS or so at stock speed..

The only thing I can think of is if you didn't update Win 7 to SP1 some AVX instructions won't work on the bench test or maybe you have HT disabled in your BIOS?

1.37 Vcore on a 4770k should make a very hot CPU.

http://www.overclock.net/t/1411077/haswell-overclocking-thread
Dropped it back to 4.5GHz@3.37V for stability - still only 60GFLOPS:

Quote:
1.37 Vcore on a 4770k should make a very hot CPU.
I know right? but I'm only getting mid 80's with a Crossair H110 cooler. Doesn't seem right... Could the temperature sensors be faulty? I'm not getting any throttling and TJ max is set to 100C.
post #15 of 24
Quote:
Originally Posted by Anon3mous1 View Post

Dropped it back to 4.5GHz@3.37V for stability - still only 60GFLOPS:

I know right? but I'm only getting mid 80's with a Crossair H110 cooler. Doesn't seem right... Could the temperature sensors be faulty? I'm not getting any throttling and TJ max is set to 100C.

If you disable HT you going to get the +100's smile.gif
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post #16 of 24
Quote:
Originally Posted by Anon3mous1 View Post

Thanks, I'll work on the fine tuning now smile.gif Any tips on where to start with the fine tuning?

After you've made sure that your stable using stress testing tools, head to event viewer under system logs and look for the WHEA warnings I told you about. You should not see any of them otherwise you'll get issues like games crashing etc. After you've gotten rid of those WHEA warnings (usually by increasing voltage but I feel you're at the ceiling right now) then start running games and playing for a while, if you can game for 2 hours + I'd consider that stable. If you can't get the WHEA warning out of the way then you might have to consider lowering your OC by x1 multiplier sadly, unless you're okay with your CPU crashing once in a while. If you have no more WHEA warning but you find your games crashing, what I did was lower my PLL a tick until the crashing stopped, it's known to help with high overclocks.
Quote:
Originally Posted by Anon3mous1 View Post

Dropped it back to 4.5GHz@3.37V for stability - still only 60GFLOPS:

I know right? but I'm only getting mid 80's with a Crossair H110 cooler. Doesn't seem right... Could the temperature sensors be faulty? I'm not getting any throttling and TJ max is set to 100C.

You could have struck gold with your CPU, I don't know of many Haswell based CPUs hitting 4.6 with your temps. Usually 4.4 is what I'd say the average is.
Edited by BeastRider - 8/4/13 at 8:58pm
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post #17 of 24
You should absolutely be over 100 gflops with HT on. Ugh..
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post #18 of 24
Thread Starter 
Quote:
Originally Posted by ep45-ds3l View Post

The only thing I can think of is if you didn't update Win 7 to SP1 some AVX instructions won't work on the bench test or maybe you have HT disabled in your BIOS?

Ahh, that's probably it, I just did a fresh install as this is new hardware, I'll make sure it's up date now.
post #19 of 24
Quote:
Originally Posted by Anon3mous1 View Post

Dropped it back to 4.5GHz@3.37V for stability - still only 60GFLOPS:

I know right? but I'm only getting mid 80's with a Crossair H110 cooler. Doesn't seem right... Could the temperature sensors be faulty? I'm not getting any throttling and TJ max is set to 100C.

Get AVX turned on and you won't be in the mid-80s any longer, you'll be in the mid-90s or higher.
Quote:
Originally Posted by skyn3t View Post

If you disable HT you going to get the +100's smile.gif

IBT handles Hyperthreading without a problem - you should be getting 120+ (with very high selected) at 4.6 even with HT turned on. HT off does give you higher GFlops, but it isn't doubled in IBT the way it is in the Intel Linpack script.

For example, 4770K @ 4.4 with HT on:


Edited by Forceman - 8/4/13 at 11:04pm
post #20 of 24
Thread Starter 
Quote:
Originally Posted by Forceman View Post

Get AVX turned on and you won't be in the mid-80s any longer, you'll be in the mid-90s or higher.
I can't find a setting for AVX in the UEFI... Might it be called something else?
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Overclock.net › Forums › Intel › Intel CPUs › [Solved]New to overclocking - 4770K@4.6Ghz on H110 cooling 1.37 vcore, max 87C under stress testing. Temp seems way too low for voltage. Advice?