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***Official Ivybridge Overclock Thread***

We could do with amd becoming a bit more competitive tbh. Intel have been very strong ever since the introduction of the c2d range on s775. Prior to that my first pc was an amd s939 setup, for me thats the last decent platform that amd produced.
 
We could do with amd becoming a bit more competitive tbh. Intel have been very strong ever since the introduction of the c2d range on s775. Prior to that my first pc was an amd s939 setup, for me thats the last decent platform that amd produced.

You missed out on the 2500-M then.A £50 mobile barton chip that kicked Intel into the ground.It was my first proper overclocking setup i think.Before that i think i had a P3 800 that i somehow figured out how to run at 900mhz.Back in those days OEM builders would almost walk away in disgust if you decided to build Intel such was the rapport for AMD.

I mean fifty quid for a monster clocking mobile chip in your desktop :cool:


The last great £50 chip was the E6300 i think everything starts now at £180 which is quite the inflation busting price!
 
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Take the i7 920 overclocking to an average 1.2ghz over stock 2.8 to 4.0 and some doing 4.2ghz for about £230. I'm using one still now at 4.2ghz 4 year's later and now only considering to upgrade, its been great value for money.

It will get passed on to 1 my son's as its still capable of playing the latest game's + software can't be that bad.

The i7 920 must easily be in the best top 10 list if not the best 5 CPU's produced giving value and performance today.:)

I paid about £230 for mine, 2500M £50 8-9 years ago by the time you add on cost of technology advancement, inflation + company's profit margin it all adds up.

Could the 2500M 4 years on still do the job giving value for money compared to i7 920 4 year's on, performance wise as well?

Yes performance wise from CPU'S from the 920, up to Hasswell around 10% better, but we are reaching the limit technology wise at the moment.
 
people knock amd but there is nothing wrong with them. the offer decent value performance per buck.

id happily use amd if it was fastest for what i do it isnt that is why. no bias from me.

pue wasnt being funny it is business and why intel do as they do.

they know what they doing they a multi billion pound company who are we to moch them :p
 
Intel hasn't offered an upgrade path on any of their sockets since 775.

1156, 1366, 1155, 2011, 1150

If you bought a decent CPU on either of those sockets you were already close to EOL performance.
 
Is my overclock unstable?

I've had it on 4.6 @ 1.295v since April 2012 and it's been folding all four cores 100% everyday since then. I primed and IBT this OC for a few weeks finding the stability initially and found this sweet spot.

But I've been burning a lot of dvds recently using ConvertXtoDVD 4 and it renders the files before it burns them and uses about 30% of my cpu to do so. But I get about 20-30 WHEA errors during this conversion. It is ONLY in this program and during the rendering that I get this. I can render video in TMPGEnc for hours without a single error.

I'm positive it's just an isolated incident as I've checked the logs during light gaming and never get whea errors, nor when its 100% stressed, just during ConvertXtoDVD rendering.

I put it at stock and did a convertX conversion and never got a WHEA error, which makes me think it's an unstable OC, but it's only ever during this process, and I've never got one during the past 15 months of high cpu usage.

Could the program be faulty or something?
 
@hank what are the errors for? memory or cpu? might need a touch more cpu/vtt rather than cpu voltage?

Ah I never thought of this. I'm pretty sure the vcore is solid and stable at 1.295, but I've got the IMC set to 0.725 the lowest it can go. Dunno about the VTT, think it's set to 'normal'

My samsung Green memory is at 1600Mhz on 1.3v if that makes any difference.

SbO1h76.png
 
CPU/vtt stock should be 1.05v,you might need 1.06-1.08v, dram v can be anything from stock 1.3v to 1.65v,for 2133mhz I have my Sam green at 1.55v dram and stock 1.05v CPU/vtt

Idk if your using a fixed CPU voltage or offset? I Pref offset,you still could need a touch more CPU v as rendering is pretty demanding

Those errors are for not enough CPU voltage
 
Ok, I'll up the vcore. Weird since it's absolutely stable on everything else, just this specific program rendering I get all those errors.

Using offset voltage. Does LLC have anything to do with this?
 
llc will just up the cpu voltage more

you can either use one level higher llc and slightly less offset that you are now

or stay with the current llc level and add a touch more offset

you have to find the right balance as each llc level will add a portion of cpu voltage ontop of the offset you use
 
Yea thats Vcore thank god mine are gone.Thinking of selling my case off and going for a carbide air 540 and a £169 WC loop from the ocuk range.


Any of u chaps WC your Ivy's? Is it worth it just for the cpu alone or should it be done with the gfx card as well?
 
Having trouble with my offset it seems, that or the C3/C6 states and those other energy saving options. Problem is when it's rendering on ConvertToX the freq is on max, but the cpu load is quite low and so is the vcore which is fluctuating and causing the whea errors. The stability is 1.295 but it's swinging all about below that when examining it in cpu-z.

I put the LLC on extreme and this didn't solve it.
 
Think I've solved the problem of my unstable cpu. I knew it wasn't the vcore, but it was using the offset AND the CPU EIST Function. I just disabled the latter and rendered a 14gb file and did not have one error, as opposed to the SS above. Vcore is the same.
 
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