Intel's Haswell
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sausje
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PostPosted: Wed, 7th Aug 2013 18:25    Post subject:
Within seconds 75+ degrees with IBT.
NEVER EVER got this during gaming, even when it was 35 degrees outside and my GPU went to ~90 degrees.. (and it's 17 degrees atm outside..)
Not gonna risk my CPU for some stupid test tbh..
With Prime it never went above 65 degrees..


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Breezer_




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PostPosted: Wed, 7th Aug 2013 18:30    Post subject:
If your CPU gets damaged by IBT, then something is very wrong. Unless you run it with crap cooling and insane volts (with safe temperature limits off) then its a different shit Razz. Also 70-80c is nothing for i7 at maximum load, its still safe even for 24/7.
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rgb#000
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PostPosted: Wed, 7th Aug 2013 18:38    Post subject:
was never comfortable with using IBT, i think it's kinda worthless and risky.

always used prime95 (~24 hours) and gaming to confirm my overclock stability, and that works every single time. ppl who claim that IBT can show if you are stable within minutes are full of shit.
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Stige




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PostPosted: Wed, 7th Aug 2013 18:42    Post subject:
rgb#000 wrote:
was never comfortable with using IBT, i think it's kinda worthless and risky.

always used prime95 (~24 hours) and gaming to confirm my overclock stability, and that works every single time. ppl who claim that IBT can show if you are stable within minutes are full of shit.


It is overkill but it's also the fastest way to test stability even remotely reliably.

If you pass 10 IBT on Standard then all you need is some normal use after that to determine if it's stable.

Running Prime95 for 24 hours is even more of a waste of time than 10 Standard IBT runs are, those IBT runs will only take 2-3 minutes.
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Breezer_




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PostPosted: Wed, 7th Aug 2013 18:50    Post subject:
The point is tho that IBT uses AVX, and its giving as high load to the CPU you can get... If you pass that shit, its for sure for everything stable. You can run your lightweight Prime95 for days and then you can bsod in IBT (yes its rough test again)... Newest prime uses AVX aswell, but its pretty light usage compared to IBT (still im one of the people who cba run 24 hours of one fucking test). Tho gaming usually gets never near of stability programs, but still there are couple games which are very picky about clocks (BF3 and Metro LL).

Anyway i prefer just IBT, 10 passes after that just gaming (BF3 64 player map for couple hours), if it crashes repeat with voltage pump. Always had pretty nice cooling so temperatures arent problem even on IBT (maximum i have now got with IBT was 72c @ 1.368V and 4,8Ghz with my summer clocks, and its fucking hot in here Very Happy).
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rgb#000
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PostPosted: Wed, 7th Aug 2013 18:53    Post subject:
you can pass IBT but fail prime95 after 8 or 12 or 20 hours. there goes your IBT is better theory...
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Stige




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PostPosted: Wed, 7th Aug 2013 19:01    Post subject:
rgb#000 wrote:
you can pass IBT but fail prime95 after 8 or 12 or 20 hours. there goes your IBT is better theory...


Who cares if you fail Prime after 8, 12 or even 20 hours... The chances of there being any sort of instability in real world use are ZERO.
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sausje
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PostPosted: Wed, 7th Aug 2013 19:06    Post subject:
Meh, both can still run flawless and yet your rig can crash during games Razz

Have this with a friends PC, during gaming, his PC often bluescreens.
But running stress tests (Prime and furmark at the same time), for hours didn't cause any crash..
Yet random games give bluescreens on random moments Neutral


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Stige




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PostPosted: Wed, 7th Aug 2013 19:11    Post subject:
sausje wrote:
Meh, both can still run flawless and yet your rig can crash during games Razz

Have this with a friends PC, during gaming, his PC often bluescreens.
But running stress tests (Prime and furmark at the same time), for hours didn't cause any crash..
Yet random games give bluescreens on random moments Neutral


FurMark is propably the worst program to use for stability testing, only thing it is "good" for is extreme power usage/temps really.

You can run FurMark for days without problems and crash in BF3 in 1 second.
I thought it was a good benchmark at first aswell, thought I had an insane HD7950 when I maxed out the CCC clocks with no voltage boosts lol

JK started Far Cry 3 and driver reset instantly =D
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sausje
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PostPosted: Wed, 7th Aug 2013 19:14    Post subject:
Well that was kinda my point, because i thought his problem was with the PSU.
But even till this day, with reinstall and drivers change etc.. nothing seems to work and the thing keeps crashing at random moments Neutral


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Stige




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PostPosted: Wed, 7th Aug 2013 19:18    Post subject:
sausje wrote:
Well that was kinda my point, because i thought his problem was with the PSU.
But even till this day, with reinstall and drivers change etc.. nothing seems to work and the thing keeps crashing at random moments Neutral


One thing that sucks with Ivy CPUs atleast, you overclock = you can corrupt your OS in the process without having a single crash :l

If my 2500K was unstable, it would just crash lol, but never caused a single issue with the operating system.
3570K made my Firefox randomly crash even after I was done with overclocking, reinstall fixed it though.

Must be bad luck if reinstall didn't fix it :l
Or maybe a dying HDD?
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Drowning_witch




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PostPosted: Thu, 8th Aug 2013 09:09    Post subject:
Breezer_ wrote:
If you want to test stability, run IBT (very high), if it passes 10 rounds its stable in everything. Also BF3 is nice to test out clocks. Prime is not really that good.


yep will tes ibt as well, though I hear it really heats up haswell. My old q9550 would get into 80's in that app, can't imagine what it will do to haswell
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Drowning_witch




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PostPosted: Thu, 8th Aug 2013 15:58    Post subject:
Well, i passed 10 runs on standard and high, but very high it starts throtling down. Its possible that if i set fans manualy to highest that it won't, but with fans on auto they can't even spin up fast enough its already 100 C lol wut


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Stige




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PostPosted: Thu, 8th Aug 2013 16:21    Post subject:
Drowning_witch wrote:
Well, i passed 10 runs on standard and high, but very high it starts throtling down. Its possible that if i set fans manualy to highest that it won't, but with fans on auto they can't even spin up fast enough its already 100 C lol wut


Doesn't matter, you will never be anywhere near those temps under normal use.
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Drowning_witch




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PostPosted: Thu, 8th Aug 2013 19:52    Post subject:
I know, even the cpu hungry ns 2 max temps are 65, but average is sub 50.


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Shoshomiga




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PostPosted: Mon, 12th Aug 2013 01:32    Post subject: I have left.
I have left.
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Stige




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PostPosted: Mon, 12th Aug 2013 05:35    Post subject:
Shoshomiga wrote:
So it seems some people who delidded their haswells and replaced the tim are starting to get cracked dead cpus

http://www.overclock.net/t/1417554/killed-my-4770k
http://www.overclock.net/t/1313179/official-delidded-club/21000


So Haswell is even more shit than we initially thought?
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rgb#000
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PostPosted: Mon, 12th Aug 2013 08:20    Post subject:
Stige wrote:
Shoshomiga wrote:
So it seems some people who delidded their haswells and replaced the tim are starting to get cracked dead cpus

http://www.overclock.net/t/1417554/killed-my-4770k
http://www.overclock.net/t/1313179/official-delidded-club/21000


So Haswell is even more shit than we initially thought?

what? shit because some morons took their cpu apart and it died? Laughing
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Drowning_witch




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PostPosted: Mon, 12th Aug 2013 09:02    Post subject:
1.38V for 4.5, damn that makes me even happeir with my chip Mr. Green


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Breezer_




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PostPosted: Mon, 12th Aug 2013 09:57    Post subject:
Shoshomiga wrote:
So it seems some people who delidded their haswells and replaced the tim are starting to get cracked dead cpus

http://www.overclock.net/t/1417554/killed-my-4770k
http://www.overclock.net/t/1313179/official-delidded-club/21000


This is what you get when you dont know what you are doing Smile A.K.A you overtight the block/cooler to the naked die, then it starts cracking itself because of the pressure. EK makes naked die mounting kits which prevents overtightening (for blocks). Also for delidded CPU´s, its better just use the IHS after you have removed the glue and shit and replaced TIM (straight contact to die doesnt really give that much better temperatures if you have already replaced the shitty toothpaste which intel uses stock).
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Stige




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PostPosted: Mon, 12th Aug 2013 10:09    Post subject:
Drowning_witch wrote:
1.38V for 4.5, damn that makes me even happeir with my chip Mr. Green


Well it was 1.32V but that is still pretty mediocre at best for 4.5GHz.

But Haswell line seems to be even worse at overclocking than Ivys are on average.

My 3570K is stable at just 1.192V @ 4.6GHz but requires 1.496V for 5GHz.

But have to say, never heard of anyone cracking the die on Ivys and they have been out a lot longer than Haswell Surprised
I tried direct-to-die myself aswell but never got it to boot, the PCB is slightly curved so couldn't get enough pressure with the block straight on the die, works fine with IHS on though.
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Shoshomiga




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PostPosted: Mon, 12th Aug 2013 12:11    Post subject: I have left.
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Stige




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PostPosted: Mon, 12th Aug 2013 12:30    Post subject:
Shoshomiga wrote:
Breezer_ wrote:
Shoshomiga wrote:
So it seems some people who delidded their haswells and replaced the tim are starting to get cracked dead cpus

http://www.overclock.net/t/1417554/killed-my-4770k
http://www.overclock.net/t/1313179/official-delidded-club/21000


This is what you get when you dont know what you are doing Smile A.K.A you overtight the block/cooler to the naked die, then it starts cracking itself because of the pressure. EK makes naked die mounting kits which prevents overtightening (for blocks). Also for delidded CPU´s, its better just use the IHS after you have removed the glue and shit and replaced TIM (straight contact to die doesnt really give that much better temperatures if you have already replaced the shitty toothpaste which intel uses stock).

If you read the first thread, he did use the IHS and it was working fine for months until he decided to try a new benchmark with avx and then it suddenly died

Anyway I thought it was interesting to post this because those pics in the threads are the first time I've seen anything like this
And there is also very interesting speculation in the second thread that maybe intel stopped using solder on ivy because the dies were cracking


Wonder what they failed when moving from Sandy to Ivy if that is the case Surprised

32nm > 22nm? Very Happy
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Deluxemax
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PostPosted: Wed, 19th Mar 2014 13:35    Post subject:
I want an Haswell-E Octacore more than a bigger dick. The octacore future is fucking near do you understand that? I am ready!

But if its more than 500-600$ for that shit then thx no.
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Frant
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PostPosted: Wed, 19th Mar 2014 14:05    Post subject:
High heat CPU + high pressure heatsink with some CLP is quite susceptible to the CPU cracking due to (although very small) increased size of die (heat does that).

I see no point in removing IHS except for maybe changing the TIM and then put the IHS back. Not sure how a removed IHS is structurally after it has been hacked away though.

All in all the small gains on Haswells simply aren't worth the risk.

I have cracked one die, an Ahtlon XP 1700, where I managed to damage the corner of the die (0.5mm) with the heatsink. Dead.


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Breezer_




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PostPosted: Thu, 20th Mar 2014 07:37    Post subject:
Haswell refresh has also better TIM, could it be that intel has soldered them!?



If these overclock to around 5Ghz levels, then it would be finally time to "upgrade" to Haswell from SB.
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JBeckman
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PostPosted: Thu, 20th Mar 2014 07:58    Post subject:
Though this refresh also uses that new 2011-3 socket in the x99 boards no? which would also mean you need that and switch to the DDR4 memory it uses.
http://www.guru3d.com/news_story/intel_haswell_e_x99_chipset_details_and_launch_time.html

(And AMD is moving to DDR4 as well with Carrizo - http://www.guru3d.com/news_story/amd_kaveri_successor_carrizo_to_get_ddr4_support_and_fch.html )
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Breezer_




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PostPosted: Fri, 25th Apr 2014 13:06    Post subject:
lols, intel is releasing Dual Core Haswell Pentium Anniversary Edition which has unlocked multiplier. Its supposed to battle agains AMD FX with just 100$ price tag Laughing Pretty awesome CPU if this is true, gonna be budget gamers dream CPU.

http://translate.google.com/translate?sl=sv&tl=en&js=y&prev=_t&hl=fi&ie=UTF-8&u=http%3A%2F%2Fwww.sweclockers.com%2Fnyhet%2F18663-pentium-anniversary-edition-ar-en-amd-dodare&edit-text=
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couleur
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PostPosted: Fri, 25th Apr 2014 13:38    Post subject:
That looks like it could be a real nightmare for AMD. Still, it would have been nice to have hyperthreading on that CPU, to have at least 4 threads for multi-threaded games. But you cant have it all, I guess...


"Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know! (Sapere aude.) "Have the courage to use your own understanding," is therefore the motto of the enlightenment."
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JBeckman
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PostPosted: Tue, 27th May 2014 12:24    Post subject:
http://www.guru3d.com/news_story/intel_core_i7_5960xcore_i7_5930k_and_core_i7_5820k_haswell_e_cpus_specs_out.html

Details on the Haswell-E Refresh, specifically the 5960X, 5930K and 5820K.
(For the X99 motherboards.)
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