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The Low Voltage Challenge!

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kyle2020

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The Low Voltage Challenge!



TPU is awash with people trying to get 3, 4, or even 5Ghz out of their processor, however an ungodly ammount of voltage is used in these extreme overclocks. I pose the question - "Based on your overclocking range*, what are the lowest volts you can run at certain clock speeds?"



Now I dont want people posting with 1V @ 1.2Ghz, because thats unrealistic, im talking about 24/7 clocks, gaming clocks, benching clocks, etc.



So, the rules are simple. CPU-Z screenshot and a wprime 32M (at least) of your overclock + low voltage. Tell us your VID too so we know how good your voltage drop really is!




Ill get the ball rolling, heres how you would post your score in a minimum - style format, as in we take your word for its stability, etc. however bear in mind this is a work in progress:




3.2Ghz (my 24/7 clock) @ 1.28V game and wprime stable:




Or, you can post a full, in depth view on how well your chip runs on low voltage - I have provided not only stability confirmation but also temperature results, just to show how well my chip handles volts / my HSF handles the heat (This way, people can get much more of an insight into a specific processor and / or HSF, aiding a purchase, research, etc (might I add, the above screenshot shows 1.280V, whilst this on shows 1.288V - this is due to the idle / load voltage nudge, both screenshots were taken with exactly the same bios settings) :




So, how low can you go? Just drop us your screenshots in the same sort of format as above!

*When I say overclocking range, I mean the overclocks that you use most often - my range, for example, is 3.2 (24/7), 3.6 (gaming) and 4.05 (benching).
[/CENTER]
 
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K

kyle2020

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Intel

Dual Core Scores:

Error 404 - E5200 @ 2.5Ghz, 1.0V (work in progress)

silkstone - Xeon E3110 @ 3.6Ghz, 1.17V (Possibility for 1V)
Xeon E3110 @ 3Ghz, 1.07V

Jr - E5200 @ 3.3Ghz, 1.31V

H3llb3nd4 - E2220 @ 3.0Ghz, 1.44V

SK-1 - E8600 @ 4.0Ghz, 1.28V
E8600 @ 3.4Ghz, 1.12V
E8600 @ 3.33Ghz, 1.09V

cdawall - E5200 @ 3.1Ghz, 1.18V

fatguy - E5200 @ 3.75Ghz, 1.24V

erocker - E8600 @ 4Ghz, 1.2V (My dream chip, do want)

craigleberry - E8500 @ 3.8Ghz, 1.275V

radaja - Xeon E3110 @ 4Ghz, 1.16V
Xeon E3110 @ 4.5Ghz, 1.37V

Quad Core Scores:

kyle2020 - Q6600 @ 3.2Ghz, 1.20V
Q6600 @ 3.6Ghz, 1.328V (Work in progress)

fatguy1992 - Q6600 @ 3.6Ghz, 1.20V (Unverified)
Q6600 @ 4.230Ghz, 1.344V (WOW)

Dr Pepper - Q6600 @ 3.8Ghz, 1.47V

mister_stu - Q6600 @ 3.16Ghz, 1.248V

pajama - Q9450 @ 3.2Ghz, 1.272V

DarkEgo - Q9550 @ 3.82Ghz, 1.33V

hoss331 - Q9650 @ 4.3Ghz, 1.32V


Core i7

Binge - i7 920 @ 4.2Ghz, 1.34V
i7 920 @ 4.18Ghz, 1.2V (Very nice)

Paulieg - i7 920 @ 3.8Ghz, 1.33V


AMD


Dual Core Scores:

ShadowFold - Athlon 7750 @ 3.2Ghz, 1.41V


Tri-core Scores:

1Kurgan1 - Phenom II X3 720 BE @ 2.9Ghz, 1.15V

Supreme0verlord - Phenom II X3 720 BE @ 2.8Ghz, 1.16V

Quad Core Scores


keenan - Phenom II X4 20 (Unlock) @ 3Ghz, 1.18V​
 
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fatguy1992

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I think I win for Q6600? :rockout:



VID: 1.2375v
 

fatguy1992

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I just did, theres a glitch I get, if I go to advanced mode before I post it changes them for embed to links?
 
K

kyle2020

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Please re read the rules and edit your post :toast:

As in, your first image shows no stability verification :D
 

fatguy1992

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Well I don't have a screen shot but that 3.6GHz could run any benchmark I tried. I didn't screenshot since the scores weren't that high. Anyway i'll get ride of it.

As soon as I get my new mobo i'll get some better screenshots :D
 
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I'm going to see how high I can get my E5200 on 1 volt!
 
K

kyle2020

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I'm going to see how high I can get my E5200 on 1 volt!

Sounds wicked! have fun haha :D

Im doing my voltage reduction on 3.6, so far im down to 1.368, I want to get down to 1.35, lets see.
 
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Here it is!

Although CPU-Z sais 1.144 volts, I've set it in the BIOS to be 0.98 volts. I don't know whats going on there!
I'll attempt a higher OC tomorow, when I have more time.
 
K

kyle2020

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very nice Error - my board does the same, its idling at 1.344V (3.6Ghz, oh yeah) but when i run wprime it nudges up to 1.352.

Score added :toast:

*edit*

3.6Ghz at the voltage I used to use for 3.2 - this really is amazing to me, all because of this new pro!

 
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I thought i'd have a go for giggles, i can do 3.6@1.175v no idea how to find my VID



My motherboard only goes down to 1.1v but i'm pretty sure the chip would do 3ghz on 1v
 

JrRacinFan

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What would you consider as stable kyle?
 

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Might want to state the original voltage for these processors, just so people who don't have the other camp or a specific model will get a good idea of how much drop there really is.
 
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kyle2020

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What would you consider as stable kyle?

Id consider a 32M / 1024M run with normal use as stable - i do a 1024 run and play some COD to test, so far ive had no black / blue screens, so im considering it stable. Been sat on a 3.6Ghz overclock @ 1.32V for over an hour, so id deem it stable.

Might want to state the original voltage for these processors, just so people who don't have the other camp or a specific model will get a good idea of how much drop there really is.

yeah, please state your VID if possible - found within coretemp.
 

1Kurgan1

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Well lets get the AMD ball rolling.



Stock VID for stock 2.8ghz is 1.325v. I'm conditioning this chip to OC better and the notch under this is too little volts, might as well up the CPU speed to make the gap a bit bigger :D

Ok, here is one with SuperPi 8M, I couldn't get the newest version of wPrime to run, so to make up for it I ran a test over 5 min instead of a 30 - 40sec test ::rockout:

Tomorrow see if I can bump the HTT one more, give me a good idea if my conditioning is working.
 
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JrRacinFan

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OK not a problem.

How about Orthos past 1minute while running a Wprime 32M? :p


Oh also my VID is 1.225 and currently working on 3.33Ghz at the same voltage if not maybe a teeny touch more.
 
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VID is 1.25 so i got it undervolted and overclocked :)
I ususally run it at 4.4ghz 24/7 tho (much higher voltage)
 

JrRacinFan

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Hate to do this to you Kyle ...



What other benches would you like me to run? Currently at 3.3Ghz 12.5x266fsb@1.28v


EDIT:

Here's the best I can accomplish although Orthos fails within a minute




And I think these are going to be my best results Kyle ....

 
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Here's mine. Could do better with tuning though. Also note I have Speedstep enabled so that 11 seconds at 2.5ghz is actually 3.8ghz

 

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only able to get a stable @ 1.44v on my E2220 :(
 
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kyle2020

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Added h3ll - going to do some 4ghz tweaking now, back soon.
 

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wPrime

I must be a total idiot but after I download wprime, unzip it and then try an run it I get
"unexpected error: quiting" What am I doing wrong? Thanks
 
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