Overview: OCUK 4GHz Bundle!

rjk

rjk

rjk

Caporegime
Joined
8 Aug 2007
Posts
25,380
4GHZ i7 BUNDLE


Myself and Yewen have done extensive testing over the past few days to ensure that the hardware can pass stress under heavy load

the bundle was left overnight inside a cardboard box to restrict airflow whilst running prime on the cpu and furmark on a gtx 280


the temps were high but simulated a case with bad airflow

in all fairness i would recommend this bundle be put in a case with good airflow
something along the lines of an antec 900

but it has been tested in a worst case scenario environment

i originally specified a noctua cooler - but myself and Yewen noted a massive improvement in cooling performance when using a Fenrir

here is the 14hours screenshot under prime

4ghzbundle.jpg


notice the max temps not even touching 80'c
this is excellent for air cooling

but i must stress that a good case and reliaable power supply is reccommended to get similar results

when all said and done...

this is a seriously BANGRA BUNDLE!!!
 
Sweet bundle guys, it's nice that you've tested it properly, good to know these things aren't just thrown together. The inclusion of AS5 is a nice touch, even though it's a tiny fraction of the overall price it's the sort of thing that's often forgotten.

Wish I was in the position to upgrade but i'm not atm. I'm sure plenty of people will bite however.

One to go on next weeks email newsletter.
 
That's astonishing. Even with the majority of them reaching 4ghz I never expected to see you selling bundles at that speed. I think I'd still rather overclock things myself, but that's made me wonder.

What happens to the cpu's that don't make it?
 
Nice test, one question...does it pass overnight linpack?

Linpack64 bit (on a 64bit OS) is a LOT more extreme/through than prime. If it passes Linpack64 then you're onto a winner (although the price makes my eyes bleed but then I'm not the group it's aimed at)
To use Linpack - OCCT 3.0.1 (linpack tab) 90% or Intel Burn Test max stress :)

Reason I ask is my Q6600 has survived 8hrs prime at 3.6Ghz, but I haven't got it Linpack stable yet (not that I've tried for long, or learnt about vtt etc), and Linpack raises the temps about £15 degrees over small fft prime :o

Also, have you considered swapping the Fenrir for the Sunbeamtech Freezer cooler, according to the reviews they're within .5 degrees of each other under full 150w load, yet the Freezer is about half the price (and is an exceptional cooler for the price, I don't think it gets enough praise on here, not to mention comes with a tube of the MX-2 thermal paste which is almost equal to AS5 ontop :))
 
Last edited:
Is that prime small, large, or blend? I've found passing small easily done, but passing blend / intel burn test about as difficult as each other. I'd be surprised if the system isn't stable, rjkoneill knows what he's doing.
 
Believe it was small if you meant me, I don't use large/blend except to test RAM, and I test RAM etc seperately usually :)
Linpack has been tested to produce much higher temperatures than prime (even the official documentation lists 15+ degree as possible), 32bit is less stressful, but full 64bit at max stress is about as hot as your processor will ever get, its very popular for stuff like this elsewhere, which is why it was added to OCCT, because it makes the processor hotter, and more prone to failure than prime, if you can pass 64bit linpack at max stress for x hours, then your system is pretty much stable (Intel use linpack for factory testing of thier CPUs, so that's how rigorous it is) :)
 
Last edited:
fini said:
Does it blend?
Click to expand...
It does indeed! LOL

I have yet to see a d0 chip not make it to 4 ghz on this board
We tried a ud4 but could not get consistant stability

Originally I went for the noctua cooler as it looks pretty, but load temps were a little too high, admittedly the fenrir is a little noisier than the noctua, but in my opinion the cooling performance is unrivalled.

Originally we were going to use 1866 OCD reaper as I have that ram in my own system and am quite keen on it
But using my settings, the memory doesn't run at it's rated speed so I chose the 1600 Kingston kit, it's fast, reliable and more than enough for this system.

I am 100% confident in this bundle as I have wanted to get some bundles with extreme speeds out for a while

I can't give away the settings unfortunatly as that defeats the point of the bundle

For a speed of 4ghz I would be aiming for 1.3 as a ballpark, then experiment in that area. If you need any more info, post in my 4.66ghz overclock thread
:)
 
couldnt have some help could i?
ive tried overclocking my 920 past 3.5 but i cant seem to get it, ive currently got it at 3.3 stable
im not too sure on the voltages, dram frequency and the uclk frequency

heres the link to the thread - http://forums.overclockers.co.uk/showthread.php?p=14087443#post14087443

made a mistake on the title, so if mods could change it would be greatly appriciated!
 
Last edited:
the long and short of it is, I have tried the cheaper boards, whilst 4ghz is achievable, it is made a little harder. For instance, with this bundle Yewen suggested the UD4 as the board. whilst being a great board, the chipset cooling pipes got very hot, very quickly. The UD5 was only a little warm after 14 hrs of prime! the difference in quality/price is apparant with other manufacturers too

I had the p6t deluxe, the quality of the board was far superior to the p6t vanilla that my colleague opted for.

The way I found was easiest with the cheaper boards was to find a nice bclk freq that your board can do and then adjust your voltages from there work around 1.3 for CPU and 1.325 for the qpi. (dependant on your ram)

I can't really give specific settings without knowing all about the hardware you have
I don't like to give away too much as it would male my job obsolete
 
This looks a great buy, the cooler is the one i have been after but I don't think i need to overclock. I am a little concerned about the comment regarding the fenrir being noisier. I am after a very quiet if poss silent pc and I thought this was a good cooler for that?
 
It sounds to me like the fenrir is quiet when its running slowly, but can scale up a lot. I suppose if you want silent and powerful you might want to look at watercooling with a quiet pump and some low speed fans on the rad.

Even my noctua is pretty loud when it comes down to it, I don't think a silent cooler exists unless i'm missing something? There's a difference between silent and just sub 20dba for example.

On this note, which cooler is the quietest for these i7 beasts rjkoneill?
 
You must log in or register to reply here.
Back
Top Bottom