i7-4790K - AIR OC with FlanK3r

FlanK3r · 16 Jun 2014 at 11:26

So, Devils Canyon finaly in my hands. I will tetsing now only AIR cooling OC and few benchmarks, so stay tunde. After weekend we will see.

7

6

1

With M7H, Gelid Tranquillo and 4000 rpm fan Delta at it.

first stock (without multicore edhanced settings) settings and what the cooler at 4000 rpm

video:
https://www.youtube.com/watch?v=pTw6UJxsyBw

BIOS settings
stable for benchmark, but not for OCCT/LINX...

antisurge

bios7

Extreme Tweaker settings (voltages, turbo, multipliers etc)

bios1

bios2

bios3

bios4

Tweakers paradise+digi power control settings

bios5

bios6

First few benchmarks after OC

i7-4790K@4732MHz 4430cache Cinebench R11.5=10.36b

wprime at 4732 MHz

i7-4790K@4732MHz 4430cache wprime1024M=156,344s

Any tips for higher clocks, example from 8Pack will be welcome

(I cant get 4800 MHz Cinebench , higher voltages, laborate with VCCIN, VLX, nothing helped me....)

alex_123_fra · 16 Jun 2014 at 12:01

So 4.7 GHz at 1.39v? with max temps on the hottest core of near 90C?

Not brilliant to say the least but ordinarily the 4770k would probably explode at that sort of voltage with an air cooler. Still, not bad for those building new now.

FlanK3r · 16 Jun 2014 at 12:37

Yes, over 90 C the hotest core. Nut as I said, this is stable for benchmarks, not for OCCT.

Stas823 · 16 Jun 2014 at 12:55

On the 1.39v can you run sleeping dogs or any game for a long period of time?

mmj_uk · 16 Jun 2014 at 13:01

Will you be able to test what the highest overclock on stock voltage is? what sort of voltage is needed for 4.5ghz, 4.6ghz etc? (Prime stable that is?)

stuie · 16 Jun 2014 at 13:03

Id like to know what happens when you hit them with water. watercooling was mostly poor on 3/4770ks due to poor paste, so does better cooling give better results?

Omar · 16 Jun 2014 at 14:09

Does the chip state that it is an engineering sample (ES) chip, or is it retail/OEM?

Most reviews so far have been based on ES chips, so it's hard to gauge what retail performance might be like as they may make small manufacturing adjustments based on feedback from the ES chips which have been around for a number of weeks now.

setter · 16 Jun 2014 at 14:11

1.39 is pretty high, wouldn't fancy this much for 24/7 use.

Dave2150 · 16 Jun 2014 at 15:45

Omar said:
Does the chip state that it is an engineering sample (ES) chip, or is it retail/OEM?

Most reviews so far have been based on ES chips, so it's hard to gauge what retail performance might be like as they may make small manufacturing adjustments based on feedback from the ES chips which have been around for a number of weeks now.

The screenshot in his opening post shows ES in the CPUZ.

Also, they won't make any changes to retail chips compared to the ES ones. Literally, they have simply been mass producing them in order to have stock to ship out.

Spokwiththeears · 16 Jun 2014 at 16:09

Motherboard on the grass, that's an interesting concept.

jh30uk · 16 Jun 2014 at 16:19

Retail chips can be better, seen it before where ES were not Golden like they normally are a few tick/tocks ago.

Also what Cooler is OP using?

JamesM · 16 Jun 2014 at 16:40

jh30uk said:
Retail chips can be better, seen it before where ES were not Golden like they normally are a few tick/tocks ago.

Also what Cooler is OP using?

I presume this one

http://forums.overclockers.co.uk/showthread.php?p=19960534

Again though it appears to be voltage limiting these CPUs and not heat.

With everyone saying max voltage for 24/7 is around 1.35v whether the CPU runs at 90 degrees or 70 degrees it doesn't really matter. It's still the case of trying to find a golden chip which for us mere mortals is going to be purely luck

altrewin · 16 Jun 2014 at 16:52

mmj_uk said:
Will you be able to test what the highest overclock on stock voltage is? what sort of voltage is needed for 4.5ghz, 4.6ghz etc? (Prime stable that is?)

^ Would be very interested to know what we can expect from stock volts. Also what kind of temps do you achieve with something less crazy than a Delta fan on the cooler?

jh30uk · 16 Jun 2014 at 16:58

Thanks, thought I seen "Gelid" on my 1st glance through it before I had a shower and time to sit down now.

8 Pack · 16 Jun 2014 at 17:30

Stock volts no one cares. Who uses stock when overclocking.

Its not voltage limiting the CPU's or Heat on Ambient cooling. Its the silicon in hand!!

RetrogamerX · 16 Jun 2014 at 17:43

8 Pack said:
Stock volts no one cares. Who uses stock when overclocking.

Its not voltage limiting the CPU's or Heat on Ambient cooling. Its the silicon in hand!!

Some.people do. I had stock volts on 3770k @4.4 ghz.

Jumper118 · 16 Jun 2014 at 18:13

this is what haswell should have been like to start with.....

altrewin · 16 Jun 2014 at 18:19

RetrogamerX said:
Some.people do. I had stock volts on 3770k @4.4 ghz.

This, I'll likely be sticking close to stock volts to keep things nice and cool

FlanK3r · 16 Jun 2014 at 18:35

Max air validation with 1.555V, I had +0.1 BCLK, but validation file corupted...

So only 5140 MHz 4c/4t

http://valid.canardpc.com/0rjzfi

PS:1.4V is OK, if you can cool it. Specially with delided Haswells or with 4790K (its colder than 4770K with same settings)

mmj_uk · 16 Jun 2014 at 18:46

8 Pack said:
Stock volts no one cares. Who uses stock when overclocking.

Plenty of people will use the stock heatsink and/or won't want to reduce the CPU lifespan by overvolting it.

It gives a better idea of what CPU is capable of to the ordinary user anyway, when someone says they do 5.3ghz on 1.5V with liquid nitrogen without any stability testing, it's meaningless to 99% of people who are going to buy it and verging on false advertising.