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Skylake Overclocking Guide [With Statistics] - Page 225

post #2241 of 11360
Quote:
Originally Posted by GroupB View Post

if you mean EIST then No, all c state and EIST disable, fixed voltage and LLC to High ( there only 1 llc level, normal is the same thing as AUTO and its mean LLC off) that LLC setting kinda piss me off a little there no in between.

Im close to 40 min of prime right now while surfing the net at 4.8 ghz running 1.365 or 1.37 in bios (not sure I have to recheck) , giving me Load voltage of 1.356v and idle of 1.368

If I remember my cpu batch was l53 something, purchase last week in canada


Edit : 40min done now, heading for a hour

Edit 2 : No luck one core crap on me at 56 minute in... gonna get one more notch of vcore I guess
1344 fft's in Prime isn't that hard with Skylake (IMO). I'm not a major advocate for P95 these days, but try small fft's just for laughs and see if you're still stable.
post #2242 of 11360
Whats do you recommend then for stability test ? I read in the german guide for skylake they recommend 1344k for max load for 30 min then if you past that you can go higher.

I use to run the default 8k on my old amd but kinda scare with intel reading all those horror story around
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post #2243 of 11360
I use Aida64 for 30mins to get temps. I will admit Aida64 is not the meanest, and like yourself I don't like horror stories.

Do you wanna wear a badge declaring it passed prime ..... 23hrs 59mins 48 seconds then it crashed? biggrin.gif
post #2244 of 11360
Quote:
Originally Posted by GroupB View Post

if you mean EIST then No, all c state and EIST disable, fixed voltage and LLC to High ( there only 1 llc level, normal is the same thing as AUTO and its mean LLC off) that LLC setting kinda piss me off a little there no in between.

Im close to 40 min of prime right now while surfing the net at 4.8 ghz running 1.365 or 1.37 in bios (not sure I have to recheck) , giving me Load voltage of 1.356v and idle of 1.368

If I remember my cpu batch was l53 something, purchase last week in canada


Edit : 40min done now, heading for a hour

Edit 2 : No luck one core crap on me at 56 minute in... gonna get one more notch of vcore I guess

Wow, that is some amazing chip you got there!
post #2245 of 11360
Quote:
Originally Posted by SmokeySiFy View Post

Wow, that is some amazing chip you got there!

not sure , look like 1344k are easy to pass on prime 28.7

Im looking for other bench little harder but I kinda want to stay away from prime 28.7 small ftt , cpu package power jump near 120W when I do that, is that dangerous a little or perfectly fine?
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post #2246 of 11360
Quote:
Originally Posted by GroupB View Post

not sure , look like 1344k are easy to pass on prime 28.7

Im looking for other bench little harder but I kinda want to stay away from prime 28.7 small ftt , cpu package power jump near 120W when I do that, is that dangerous a little or perfectly fine?

It would be best if you posted your Multiplier, Vcore and Temps while running Prime 95 thumb.gif
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post #2247 of 11360
Quote:
Originally Posted by mandrix View Post

1344 fft's in Prime isn't that hard with Skylake (IMO). I'm not a major advocate for P95 these days, but try small fft's just for laughs and see if you're still stable.

I see it the other way round with my rig. Id fail slightly larger lengths. Like 1344 and 1792.

I easily pass 8k. It takes a notch up on Vcore to pass 1344 compared with 8.

The small FFT's just put out an unrealistic heat load.

If you really want to be OCD about it then the only sure fire way is the entire test on custom blend (90% Ram) for 12 Hours 5 min per test to ensure you do every fft length. (5 mins could be 8 hours, I forget how many prime fft's).


I do agree though that prime is just way too harsh. Its quick for finding your upper limit voltage though.

My 4.7 at 1.35v was 8 hour real bench stable but fell over in prime within half hour.



Its honestly down to personal preference.

Personally I would do a Blend 90% Ram for an Hour and then 4-8 Hours realbench etc...


Also I found intel XTU memory test to be real good at finding cache instabilities. I thought my 4.6 cache was stable until I tried that. I had to knock down to 4.5.
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post #2248 of 11360
Quote:
Originally Posted by GroupB View Post

not sure , look like 1344k are easy to pass on prime 28.7

Im looking for other bench little harder but I kinda want to stay away from prime 28.7 small ftt , cpu package power jump near 120W when I do that, is that dangerous a little or perfectly fine?

"cpu package power jump near 120W when I do that"

rolleyes.gif
post #2249 of 11360
Quote:
Originally Posted by oparr View Post

Quote:
Originally Posted by GroupB View Post

not sure , look like 1344k are easy to pass on prime 28.7

Im looking for other bench little harder but I kinda want to stay away from prime 28.7 small ftt , cpu package power jump near 120W when I do that, is that dangerous a little or perfectly fine?

"cpu package power jump near 120W when I do that"

rolleyes.gif

Remarkably constructive. Thank you.
post #2250 of 11360
Quote:
Originally Posted by Lucky 23 View Post

It would be best if you posted your Multiplier, Vcore and Temps while running Prime 95 thumb.gif
Quote:
Originally Posted by llantant View Post

I see it the other way round with my rig. Id fail slightly larger lengths. Like 1344 and 1792.

I easily pass 8k. It takes a notch up on Vcore to pass 1344 compared with 8.

The small FFT's just put out an unrealistic heat load.

If you really want to be OCD about it then the only sure fire way is the entire test on custom blend (90% Ram) for 12 Hours 5 min per test to ensure you do every fft length. (5 mins could be 8 hours, I forget how many prime fft's).


I do agree though that prime is just way too harsh. Its quick for finding your upper limit voltage though.

My 4.7 at 1.35v was 8 hour real bench stable but fell over in prime within half hour.



Its honestly down to personal preference.

Personally I would do a Blend 90% Ram for an Hour and then 4-8 Hours realbench etc...


Also I found intel XTU memory test to be real good at finding cache instabilities. I thought my 4.6 cache was stable until I tried that. I had to knock down to 4.5.

So doing a hour of 1344k is not that bad to get me in the range of stability then... I not looking for 24h stability here, im looking for a quick stable test to tell me Its ok to go higher, then when I reach something I like Ill do more test overnite like the x264 one. But hey if there no danger in doing 1 or 2 hour of small ftt on 28.7 Ill do it, I always do small ftt on my AMD.
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