overclocking I7 5960X beyond 4.7ghz

[Dontazemebro]

Current Rig:

MsiX99S Sli Plus Mobo
Intel I7 5960X
GTX 980x2
8g (2x4) corsair 2400 mhz ddr4
Evga 1300 supernova g2
corsair h105 liquid cooling

so overclocking has been quite easy with the Msi board, you can adjust ONLY the cpu multiplier and it will automatically and dynamically adjust voltages based on cpu load and speed settings.

47 ratio for 4.7ghz can push some of the cores up to a maximum of 71c using Aida 64 extreme (stress cpu, fpu, cache , memory)

a 48 ratio for 4.8ghz can push the max temp up to 73c.
(voltages auto adjust to 1.440 volts during load)

however the issue i keep having is instant BSOD whenever the chip is pushed past 4.7ghz while loading Farcry4 (sometimes BSOD happens just after loading and running forward like 2 feet)

at 4.7ghz its rock solid stable in both benchmarks and in-game, but even a 47 ratio at 101 base clock will result in the same crash.

now when monitoring the cpu core temp and usage logs in-game, only 1 core will be in heavy load, and the temp is lower than in benchmark.

is there some kind of brick wall to overclocking these chips that's separate from cpu temperature, that could cause BSOD without the max temp being hit?

is there some other method to overclocking that would allow the chip to be pushed further?

the MOBO claims to support 125 and 166 base clock straps but i have no idea how to apply them.

also, i don't overclock any other aspect, such as uncore, or memory settings. is it possible that they need to be overclocked to a certain degree or the speed of the cores causes the BSOD because they can't keep up?

i was browsing some benchmark hall of fame scores and saw one person with a 5.6ghz on their 5960x, so i'm thinking it's possible.

also people are talking about some chips just not being as good for OCing as others, although i think usually it's because they require high voltages just to hit 4.4 ghz and eventually overheat.


any input appreciated

 

[Illuminations]

When jumping from 4,7 to 4,8 you might need a lot more voltage. Try to manually set your voltage. It might need a lot more. Most chips have a 'limit', if you clock below the 'limit', you won't need much voltage at all, however, when you go past it, then you'll perhaps need a lot more voltage.

Usually, I never use BLCK when overclocking. I only use the multiplier. My system got More unstable when I tried a BLCK-overclock.

So, I'd guess you will need more voltage. Or wait, until some MLG-overclocker finds this thread ^^

Good Luck!
Axel.

 

[Dontazemebro]

manual settings produces same results but i'm starting to develop a theory.

i'm thinking that the adaptive voltage might not be kicking-in, in time to power the new stress suddenly placed on cpu by the game loading.

placing cpu ratio on "fixed" instead of "dynamic" in bios settings results in BSOD when loading windows...

it loads fine at 4.7ghz tho.

so i'm thinking there's a certain jump in cpu performance that just goes too far for the auto voltage to keep up. auto voltage is busy dialing up the voltage but the cpu is already past the voltage being supplied on it its way to 4.8ghz.

would sort of explain the situation... can't even boot windows at 4.8ghz, but can run a max out stress test.
most likely aida 64 "dials" up the stress level at a steady pace, allow the additional voltage to slowly dial itself up to match.

what i don't really understand is why the mobo can't just place the 1.440 volts directly and hold it during bootup.
maybe its just the way msi is designed.

also the testing is still stable at 1.404 volts @4.8ghz as well... 1.384 volts did BSOD after about 5 mins of stress test

i also tested on Borderlands 2.

it has an interesting feature that allows u to cap your fps at 120, which lets ur cpu not work as hard.

u can get in the game @4.8ghz and turn the setting off to allow upcapped fps and it still runs fine after.

however if u alt tab (cpu stops working and dials down voltage) and then tab back in, instant BSOD.

i have the most up to date bios running for the board... i wonder if this same problem wouldn't exist in a different motherboard? does anyone out there have a nicely overclocked 5960x in an asus board?

 

[Dontazemebro]

as it turns out, MSI auto-volting is sufficient for aida 64 and most other things, but loading windows desktop and loading games actually requires a higher voltage, even tho the cpu has much less load. by manually setting vcore to 1.5, i can now load windows and play games at 4.8 ghz OC

 

[Illuminations]

Nice! I'm glad you solved it!
It's usually around 4,6 - 4,9 where a lot more voltage is needed.
CPU's apparently work like that.

Have a Great Day!
Axel.

 

[JimF_35]

as it turns out, MSI auto-volting is sufficient for aida 64 and most other things, but loading windows desktop and loading games actually requires a higher voltage, even tho the cpu has much less load. by manually setting vcore to 1.5, i can now load windows and play games at 4.8 ghz OC

1.5 Volts is a LOT of volts. I would be careful on this computer at these volts as you may reduce the life expectancy of your CPU. I would not recommend folding at home or boink tasks at these volts.

What are your load temperatures under these volts?