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post #15551 of 67906
Quote:
Originally Posted by Durquavian View Post

mine is 1.2875 and there is no way mine is hitting 5.0ghz at 1.48v. I must be doing something wrong. Temps aren't the prob, never got above 52c at 4.969ghz. Boy this is rather frustrating.

why is it frustrating?, its like life's big gamble you gotta take what ya got given

This is why americans say "If you cant overclock so good on it, Damn just RMA it"

People can only advise, they cant tell you what settings ya should be at, thats up to your cpu

thumb.gif
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post #15552 of 67906
Quote:
Originally Posted by gertruude View Post

why is it frustrating?, its like life's big gamble you gotta take what ya got given

This is why americans say "If you cant overclock so good on it, Damn just RMA it"

People can only advise, they cant tell you what settings ya should be at, thats up to your cpu

thumb.gif
its not that. I just feel like I missing something. That's why I was looking for lowest stable voltage. Gonna try 5.0 again this weekend.

Another wierd thing is that while using FSB OCing my memory over 1650 or so crashes at log in and requires a bios reset. I have run it at 1866 before, just showed only half my memory available. Any thoughts? I loosen the timings when I try to OC just for insurance.
post #15553 of 67906
Quote:
Originally Posted by Durquavian View Post

its not that. I just feel like I missing something. That's why I was looking for lowest stable voltage. Gonna try 5.0 again this weekend.

Another wierd thing is that while using FSB OCing my memory over 1650 or so crashes at log in and requires a bios reset. I have run it at 1866 before, just showed only half my memory available. Any thoughts? I loosen the timings when I try to OC just for insurance.

well memory not showing correct MB can be unstable settings and/or too less voltage
this one u need to work out which one it is

Also u need to find out what the stock voltage is from their site

keep your timings at stock for now and just change from 1600-1866 and a little bump up in voltage.
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post #15554 of 67906
Thread Starter 
Quote:
Originally Posted by The Storm View Post

Quote:
Originally Posted by gertruude View Post

Im getting all giddy if its accurate, i suppose we'll know more int he next month or two

I am excited to see what Steamroller has to offer. I understand that it will still be based of the AM3+ socket, but maybe they will have a new chipset by then? ie 1090FX? At that point I will invest in a new board (regaurdless if they keep the same chip 990FX) and play with the new SR.

That is Centurion, not Steamroller. It's still PD based.

Think of it like Richland. It's something to keep up busy while they get the next round of things ready. tongue.gif
Quote:
Originally Posted by Durquavian View Post

Quote:
Originally Posted by ComputerRestore View Post

You have a pretty decent chip. 1.34v-1.36v is pretty good for both air and water cooling, without having too high of temps.
I'll give you some examples to better explain where your CPU sits.

H100i Cooling
8350 # 1 - VID 1.28v - 5.0Ghz @ 1.48v 100% Load @ 75C Core Temp
8350 # 2 - VID 1.36v - 5.0Ghz @ 1.56v 100% Load @ 68C Core Temp
8350 # 3 - VID 1.4v - 5.0Ghz @ 1.62v 100% Loady @ 65 Core Temp

Closed loop coolers are pretty nice, but there's no comparison to Custom Water cooling.
mine is 1.2875 and there is no way mine is hitting 5.0ghz at 1.48v. I must be doing something wrong. Temps aren't the prob, never got above 52c at 4.969ghz. Boy this is rather frustrating.

Or, ya know, every chip is different.
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post #15555 of 67906
Quote:
Originally Posted by Durquavian View Post

mine is 1.2875 and there is no way mine is hitting 5.0ghz at 1.48v. I must be doing something wrong. Temps aren't the prob, never got above 52c at 4.969ghz. Boy this is rather frustrating.

Quote:
Originally Posted by ComputerRestore View Post

You have a pretty decent chip. 1.34v-1.36v is pretty good for both air and water cooling, without having too high of temps.
I'll give you some examples to better explain where your CPU sits.

H100i Cooling
8350 # 1 - VID 1.28v - 5.0Ghz @ 1.48v 100% Load @ 75C Core Temp
8350 # 2 - VID 1.36v - 5.0Ghz @ 1.56v 100% Load @ 68C Core Temp
8350 # 3 - VID 1.4v - 5.0Ghz @ 1.62v 100% Loady @ 65 Core Temp

Closed loop coolers are pretty nice, but there's no comparison to Custom Water cooling.

I believe that certain motherboards underreport voltages compared to others. Hardware reviewers have noticed the same thing.
It would go a long way towards explaining differences in temps too.
Are all 3 samples on the same motherboard Computer restore? What board(s) were used?

My 1.28 vid chip on the MSI board runs about 10 C cooler at 5ghz than my 1.38 vid chip on the CHV-Z does at 5 ghz at the same reported loaded voltage ( may or may not be the actual value - pass the DMM please smile.gif ). The ASUS rig has the advantage of a thicker radiator also, that being the TT water 2.0 extreme vs the H-100 on the MSI.

A point I would make about Liquid cooling is that once the coolant is heat saturated - the flow rate is irrelevant, it's pretty much down to the size of the radiator and the airflow across it that determines how much cooling it can provide. All things being equal, a 240 mm radiator should have the same cooling ability regardless if its in a CLC or a custom.
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post #15556 of 67906
Sorry, I should have specified. Those weren't 100% exact figures, but just examples to show Hurricane where he stands with his hardware. Just to show that it is generally not the case that high CPU voltage automatically means high tempteratures due to leakage and how these CPUs have shown to react since Bulldozer.

There's way too much to consider to say *** is the voltage for this OC:
-vdroop
-LLC Level
-VRM/voltage quality
Quote:
Originally Posted by cssorkinman View Post

I believe that certain motherboards underreport voltages compared to others. Hardware reviewers have noticed the same thing.
It would go a long way towards explaining differences in temps too.

Are all 3 samples on the same motherboard Computer restore? What board(s) were used?

A point I would make about Liquid cooling is that once the coolant is heat saturated - the flow rate is irrelevant, it's pretty much down to the size of the radiator and the airflow across it that determines how much cooling it can provide. All things being equal, a 240 mm radiator should have the same cooling ability regardless if its in a CLC or a custom.

I've read that certain motherboards underreport voltages as well. MSI generally having the lowest reading for both AMD and Intel base motherboards.
I've only tested on Gigabyte and ASUS boards, and voltages between both boards have been very close, given a similar quality board. (not talking 4+1 vs 8+2)

I believe there are three distinct differences between closed loop and custom water cooling.
- CPU Block to water heat transfer - which is the first saturation point - the speed that heat can be transferred into the liquid. (no matter how good your radiator is, it is limited by the effeciency of the cpu block)

AIO coolers do a good job, but because the pump is in the block, they aren't able to be as effecient as a stand alone cpu block (fins/surface area/thickness for heat transfer)

- Radiator - Being able to choose any size/type of radiator for your system as well as the shape/thickness of the fins in the radiator all effects heat transfer performance
- Resevoir - Due to the All-In-One systems being sealed it's not possible to remove all air from the system, which reduces cooling performance. (a popular mod for AIO coolers is to add a resevoir)
Edited by ComputerRestore - 6/4/13 at 2:01pm
post #15557 of 67906
please pardon the noobness in regards to liquid cooling

but looking at the H series coolers.. where the hell is the pump? is there a pump?
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post #15558 of 67906
Quote:
Originally Posted by ComputerRestore View Post

Sorry, I should have specified. Those weren't 100% exact figures, but just examples to show Hurricane where he stands with his hardware. Just to show that it is generally not the case that high CPU voltage automatically means high tempteratures due to leakage and how these CPUs have shown to react since Bulldozer.

There's way too much to consider to say *** is the voltage for this OC:
-vdroop
-LLC Level
-VRM/voltage quality
I wish it was easier to come up with absolute answers. So many things involved that can skew things that generalites are what we are left with.
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post #15559 of 67906
Quote:
Originally Posted by FlailScHLAMP View Post

please pardon the noobness in regards to liquid cooling

but looking at the H series coolers.. where the hell is the pump? is there a pump?

lol
 
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post #15560 of 67906
Thread Starter 
Quote:
Originally Posted by Rangerjr1 View Post

Quote:
Originally Posted by FlailScHLAMP View Post

please pardon the noobness in regards to liquid cooling

but looking at the H series coolers.. where the hell is the pump? is there a pump?

lol

... Seriously?
Quote:
Originally Posted by FlailScHLAMP View Post

please pardon the noobness in regards to liquid cooling

but looking at the H series coolers.. where the hell is the pump? is there a pump?

For Corsair, the Impeller/Pump is on the CPU block. Same applies to most AIOs.
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