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i5 3570K quick test.

4p5ghz.jpg


How am I doing? Temperatures are not looking promising. As you can see, I have a TRUE 120 extreme with a lovely concave base!
 
Its not hot, thats average.

You've read this thread and the overclocking thread and online reviews to know that these chips are toasty and 90c+ isnt unheard off

But do run Prime95 for longer than a minute..
 
Lol dude, that was six minutes there ;) I'd just dropped the voltage another notch and was running it for a hour :)

I think I'm going to swap it in for a 2700k. Could be a really stupid move but I prefer more mhz and my cooler may actually work well with a bigger heat area!
 
Mike, you have a 3770k which can do 4.5Ghz. You have done well there.
Should you go the SB route, you will need to hit roughly 4.8Ghz, to match the performance. To surpass it, you will need to hit around 5Ghz.

Do not count on hitting 5Ghz with SB.

If I were you, now that you have a good IB, stick with it (unless you need to save money).

I have taken delivery today of a new 2600K, so I will tell you how I get on with it. It is a new CPU (new silicon), so chances are that you will hit around the same speed.

I wanted to buy IB, however, it was working out at around £50 extra (over the 2600K), so I went with 2600K. This decision was based purely on cost and value for money. No other reason.
 
sunama said:
Mike, you have a 3770k which can do 4.5Ghz. You have done well there.
Should you go the SB route, you will need to hit roughly 4.8Ghz, to match the performance. To surpass it, you will need to hit around 5Ghz.

Do not count on hitting 5Ghz with SB.

If I were you, now that you have a good IB, stick with it (unless you need to save money).

I have taken delivery today of a new 2600K, so I will tell you how I get on with it. It is a new CPU (new silicon), so chances are that you will hit around the same speed.

I wanted to buy IB, however, it was working out at around £50 extra (over the 2600K), so I went with 2600K. This decision was based purely on cost and value for money. No other reason.
Click to expand...


I'm very interested in your findings mate :) If you could let me know I'd really appreciate it :)
 
I'm just finishing off a download.
After that I shall be switching this PC off and dismantling it.
I shall have some results tomorrow morning.
Also, another guy on this forum received a 2700K from ocuk (I think it was oem, not sure) and he managed to get it to 4.8Ghz, but he is looking to run it at around 4.5Ghz, 24/7.
 
Just to let you know I have just finished setting up the build.
It too me a total of 16 hours to sort out all the problems with my watercooling system. The last time I extensively routed the pipes was 5 years back, when I last upgraded my CPU, so I had to make quite a lot of changes. And after 10 years of their initial installation, some of the pipes are beginning to decay.

My room is in a complete mess right now, but I am going to be inching up with the clock speed until prime 95 throws an error.

For the record, after 5 minutes, the temp is at 45C, 100% CPU load, VCore (default): 1.224v, 3.6Ghz (only changed the multiplier in the BIOS, nothing else).

What sort of vcore do most people recommend for a 2600K, overclock, for 24/7 stable running?

EDIT: now at 4.0Ghz, default voltage (1.296v), current temp (while running prime95): 51C.
EDIT: now at 4.1Ghz, default voltage (1.308v), current temp (while running prime95): 51C.
EDIT: now at 4.2Ghz, default voltage (1.308v), current temp (while running prime95): 54C. (Also ran my computer at 4.2Ghz, the whole day, for "normal" work duties - totally stable)
EDIT: now at 4.3Ghz, default voltage (1.320v), current temp (while running prime95): 56C.
EDIT: now at 4.3Ghz, normal voltage showing as 1.272v in cpuz@100% load (-0.04v dynamic vcore, llc: high), current temp (while running prime95): 55C.
EDIT: now at 4.4Ghz, normal voltage showing as 1.308v in cpuz@100% load (-0.075v dynamic vcore, llc: high), current temp (while running prime95): 60C.
EDIT: now at 4.5Ghz, normal voltage showing as 1.344v in cpuz@100% load (-0.04v dynamic vcore, llc: high), current temp (while running prime95): 60C.

At this I am going to stop, as I don't particularly need a PC which is much faster.

@1.4VCore, I should be able to hit around 4.6Ghz-4.7Ghz.

In summary, the latest silicon will give you around the 4.6Ghz mark and you shouldn't automatically assume that you will hit 5Ghz on a new SB (without very high VCore).
Another forum member recently bought a 2700K (from ocuk) and hit around 4.8Ghz with it, so it is reasonable to expect the 4.6Ghz-4.8Ghz mark.

I hope this helps anybody thinking about buying a new IB or SB.
 
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Anybody mind putting an i5 2500k or i5 3570k at 3,6ghz and run some benches? I want to compare with my i5 750.

Like Wprime 1.55, winrar, superpi, cinerench, vantage cpu score, 3dmark physics score and i guess thats enough.
 
Yeah man. Just clean 3600mhz. Mine i5 750 is at 3612mhz due to the fact it doesn't work like the new ones with 100 of BCKL and then the multi.

So yeah, clean 3600mhz without turbo boost.
 
Thanks. Comparing to mine now:
Cinebench 11.5 CPU - 4.84

WinRar 420 - 5631

3Dmark Vantage CPU Score - 16500

WPrime 2.09 |32M - 10,452 sec | 1024M - 322,297 sec

Seems like only in Cinebench there's a big diference. What you think mate?
 
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