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Intel Broadwell-C Ownership Club - Page 14

post #131 of 1865
thanks Gamma!

http://valid.x86.fr/n4vsk8

i got it up to 4.3ghz with a 1.37v, during tests that push the FPU it gets kinda hot, like 80-85 but normal stuff it won't get above 75c which i consider perfectly fine. now since this is OVERCLOCK.NET i'll keep going up until games make it unstable. i can do the aida64 stability test and a bunch of wprime tests with this clock so i consider it stable. this is the first unlocked cpu i've messed with on the intel side since the q6600, i forgot how nice this is to be able to do. my goal with the overclocking is to get it as fast as a stock 4790k or 6700k or faster.
post #132 of 1865
In a lot of scenarios 5775C is faster than both 4790K and 6700K. Specailly in games.
post #133 of 1865
yeah i'm already seeing that even at 4ghz. this is such a sleeper cpu. i love it!
post #134 of 1865
Yeah, I get the same fps with 4.1 than my 4690k at 4.6GHz, and even in Gw2 is way more smooth than the i5. The wierd thing is when I changed from 4690k to 5775c I put EDRAM at 2GHz and HWbot was showing it, but then I disabled it to tested and I went back to the 1800MHz bug, no matter what I choose I get 1800.

How bad it doesn't want to go higher than 4.1GHz and to stay there it needs tons of voltage...
Edited by Ansau - 2/3/16 at 3:20pm
post #135 of 1865
well i'm not using this for the igp, i haven't even enabled it yet and i won't. also i'm not using it for low power operations. full tilt let's go nuts kinda bidness here, too bad i only have a corsair h80i gt cooler

890 cinebench multi-threaded score
180 cinebench single core score

@ 4.3GHz with 1.37vcore
i've been leaving the uncore at 3.3ghz since it prob won't mess with performance much. i'll try for 4.4GHz but i just doubt that the extra volts will be happy being in that lil cpu package.
post #136 of 1865
Remember this is a 14nm CPU before putting too much voltage into it.
post #137 of 1865
Quote:
Originally Posted by MasterGamma12 View Post

I'm running some old 1366 Kingston DDR3 1600 mhz 1.65 volt memory in my 5775c without any issues.
So far?
post #138 of 1865
Quote:
Originally Posted by superstition222 View Post

Remember this is a 14nm CPU before putting too much voltage into it.

care to explain. i know smaller node more dense heat and issues with i guess leakage or lack of *shrugs* but what kinda volts do people put into skylake compared to this? maybe i should start using c-states and all that, cuz i never did with my 4790s

EDIT: see people make me go and worry and i enable **** i know i shouldn't and i gotta reset the bios again. its working, temps are great. i'm NOT TOUCHING IT. lol tongue.gifthumb.gif

EDIT: but i guess on another note. with my 4790s i was just always making sure my fans and h80i gt were going almost full tilt... it was finicky keeping it at its 4ghz, very temp sensitive... cuz its a low power cpu not overclockable... so forcing its turbo ratio was experimental at best.
but now with this 5775c i'm actually perfectly OKAY with letting the AIO cooler do what it is supposed to do and keep things quiet and let the water soak up the heat. i don't feel like i'm running a computer where everything is pushed to the brink of stability or spec. the sensors actually report something meaningful to me that i can respond to with changing settings that i CAN change unlike the 4790s. i can see why people are using this for a low power build or a htpc kinda thing. find ur highest clock u can get or the lowest voltage you can get at stock speeds kinda thing and then don't even need to add a dGPU to the build since the IGP is REALLY badass... neat
Edited by navjack27 - 2/3/16 at 11:01pm
post #139 of 1865
It's a shame that Broadwell is so underrated processor... yes it's expensive, because of eDRAM, it was released at the same time with Skylake, but overall I prefered it - more powerful CPU and iGPU, not buggy as Skylake, cooler ... damn I love it smile.gif We will see Kaby Lake. smile.gif
post #140 of 1865
Quote:
Originally Posted by navjack27 View Post

care to explain. i know smaller node more dense heat and issues with i guess leakage or lack of *shrugs* but what kinda volts do people put into skylake compared to this?
Smaller process nodes are more sensitive to voltage due to weakened resistance to electromigration, as far as I understand it. As the parts shrink they become more vulnerable to any stressor — heat, voltage, gamma rays, etc.

Also, all the cache in Broadwell probably makes RAM speed less important. Personally, I would stick with 1.5V RAM and 1866 speed. The tiny improvement in speed from faster RAM isn't worth the worry over shortening the chip's lifespan.
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