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***Official Intel Haswell Thread***

Removed the cooler, cleaned both it and the cpu and put on another application of liquid ultra paste. Also removed a load of extension cables i was using and reverted to the stock corsair ones to help airflow. No difference in temps though. But my case does look a bit tidier though.:D



Above is once again at stock, perhaps not even worth going to the hassle of delidding this chip.
 
Er... What's going on here? I've set 1.25V in the BIOS yet CPU-Z is showing 1.7 which should fry the chip!

toasty.PNG
 
I've had more luck with my 4670K.

4.7GHz on the core at 1.35v - my cooler's air but good enough to keep temps around 70C. 4.4GHz on the cache, needs 1.24v.
 
I haven't tried re-overclocking my cpu since updating Bios and getting new ram but i am hitting at 70-75c max in games at 4.4ghz 1.25v if i use just the Asus auto oc feature on quiet mode on my H80i.Not sure if that's good temps but i do know the auto oc will be a bit more than what's actually needed.

Wierd thing is at stock my temps hit low 60s maxed on quiet mode in games lol.(pretty sure it needs reseating though as H80i is awkward to get good contact with apparently as my idle temps are late 20s to low 30s)
 
setter said:
Found a new delidding method, might give this a try.

http://www.youtube.com/watch?v=PGJ4YkEHx34
Click to expand...

That looks like a safer way. Not too sure if i am going to delid mine yet but i can't use a knife on my 4670k as there is no gap at all between the IHS and PCB. There is a thread over at XS where a couple of 4770k's have been delidded using the vice and hammer method and then the dies have cracked a couple of weeks later. Whether it was stress due to shock from the hammer blow or the heatsink/block being too tight i don't know, but it put me off using that method.
 
Does this look OK for a 24x7 overclock? Temps shown are during prime95.

4770K, Gigabyte Z87-UD3H, 16GB (4x4GB) Crucial Ballistix Sport 1600mhz

xzje.png


Settings:
CPU Multi - 43
Uncore Multi - 42
CPU Vcore: 1.25v
CPU VRIN: 1.85v
CPU Ring: 1.20v
Memory: 1600Mhz XMP

Doesn't seem to be a great chip as it needs 1.3 vcore for 4.4ghz and I then struggle to get uncore 1:1 without going to 1.25v and beyond on CPU ring.

Thanks
 
No, decided to just leave it as it is for the time being. Not gonna bother with stress programs etc, in daily use at 4.5ghz it's actually a pretty cool running chip. 65c max in games in a case with dire air intake.
 
been working hard on my overclock the last few days currently at 4.8ghz at 1.375vcore, uncore at 4.5ghz vring 1.25v, VIN @ 1.8v extreme llc, sa 0.0150v, i/o agent 0.0100v, io digital 0.0100v

samsung green at 2133mhz 9 10 10 21 1t @ 1.5v( really need some help with timing to try and get 2400mhz)

going to delid my chip today because it runs HOT!!#

EDIT - probably going to settle with 4.7ghz @ 1.32vcore
 
Last edited:
I'm just testing a 4770K for a friend.

I can't get it to the UEFI screen at 4.7GHz / 1.27v, I have to switch it off and clear the CMOS. That means it's a rubbish overclocker, right? At 1.25v / 4.5GHz it freezes in the BIOS.
 
Yeah, I've got a 4670K in my main system right now and I tested that - it will boot into Windows fine at 4.5GHz / 1.25v but isn't stable.
 
i've had to lower my uncore from 45 to 43 until i can get some more time to tweak my overclock, bf3 was freezing then going to a red screen(windows8) solved the problem by lowing uncore.
 
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