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post #61861 of 68053
I think AMD will HAVE to be reasonable in their pricing if they want to win back consumers from the blue team
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post #61862 of 68053
Quote:
Originally Posted by mus1mus View Post

Just dropping this here:
If the chip runs hot with fixed Voltage, it will also run hot with Turbo Boost ON when the chip goes into berserk mode. Especially when you said 4.6 is already too hot for your liking yet, you are gunning for 4.8.

Are you really getting that? IMO it should at least be marginally stable at 4.8 fixed and runs within the thermal bounds or you will simply push it to fail, throttle, and cause you issues.

You first need to dial in the max clocks that your chip can handle in a fixed clock and Voltages before doing an adaptive Turbo Boost mode. Why?

Simply put it, there is a big chance the CPU will turbo at the max clock if it is stable and within thermals wiyh a heavy threaded load. And there, your system will give out better performance even in single threaded apps due to the fact that each instruction can be executed once and not repeatedly due to innate error correction.

thumb.gif
Errrm. We feast in stable overclock proofs rather than max verification shizzle! biggrin.gif

I reached 4.5 stable on air running at 60 C during burn tests and 4.6 was unstable up until high temps 68

The thing is when i did 4.2 with boost to 4.8 it was boosting usually 1 core when gaming and max temps i was reaching while gaming for hours were 56 C with lowered speed fan profiles as opposed to the static clocks. Now i ran this for about a month now and changed to W10 meanwhile + WoW got it's next expansion upgrade now the game makes 4 cores boost and i started getting higher temps ~ 62C and this 1 freeze few nights ago that made me go check things.

I ran the Burn on 1 thread - 100 batches while playing the game and got an error at one point so i went in and added +1 step offset voltage
Re-did the test and got an error after a few hours but also got higher temps so i decided to go down to 4.0 boost to 4.6 with going to standard bus speeds and dialed back that +1 step to what was before that or ( +2 steps )
Now i am back at low temps even when 4 cores are boosted and running the burn while playing through the night results in 0 errors.
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post #61863 of 68053
It sounds to me like you should stick with the 4.5 clock settings. 4.5ghz is a respectable OC for these chips. Maybe not by this forum's high standards, but it is good.

Does WOW run much better at 4.2 w/ 4.8 boost than it does at 4.5 static? With as many updates as that game has, I'd be surprised if it wasn't multi-threaded and well performing on Vishera.

Let's say you are able to tease out the extra 300 mhz on the boost clock compared to the static 4.5 ghz... 300mhz/4500mhz = 6.7%. Let's be generous and call it a 7% increase over your highest stable OC.

You may be able to get a 7% increase some of the time over the 4500mhz overclock. That's only if you pull off this complicated turbo overclock which could be totally out or reach. The real world advantage of that 7% may not be that big or even be worse :/. I would commend you for it and you would get bragging rights, but it seems to me you are setting yourself up for a hell of a lot of frustration if you insist on the 4.2 with 4.8 turbo OC.

I can't seem to clock past 4.6ghz. I wish I could run 5 ghz, but... 400mhz/4600mhz = 8.7%. I'm not willing to spend to the voltage, time, and money required to get that extra 9%.
    
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post #61864 of 68053
No no smile.gif i am rly satisfied with 4.0 and boost to 4.6

I was mostly curious why all of a sudden i started getting more than 1 cores boosted to the boost speed and i thought it's because of W10

WoW used to spread to 30-40 threads during game play in previous expansion and i can only assume they have tweaked it to spread even better this time around
1 of those threads is rly big and used to go to the boosted core while the others spread around making 4 cores work almost even.
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post #61865 of 68053
WoW - Pre Legion Invasion with lots of people casting stuff - falling meteors, multiple enemies and NPC's fighting 5 minutes test with everything on ultra on 1050p
WoW running on 43 threads you can see the spread across the cores is not bad at all

4 of the cores get boosted and not at all times even
Fans are running at up to 60% speeds

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post #61866 of 68053
Quote:
Originally Posted by slavovid View Post

WoW - Pre Legion Invasion with lots of people casting stuff - falling meteors, multiple enemies and NPC's fighting 5 minutes test with everything on ultra on 1050p
WoW running on 43 threads you can see the spread across the cores is not bad at all

4 of the cores get boosted and not at all times even
Fans are running at up to 60% speeds

Just going to point out that weather something has 4 or 40 threads it may not be well threaded. If all 40 of those threads are waiting on a single thread to complete, you will be limited by that single thread.
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post #61867 of 68053
Quote:
Originally Posted by cssorkinman View Post

I think his psu would poop itself at 5 ghz on the cpu and pulling a 390x with any kind of load.

psu is good enough and i,m not aiming for a 5.0ghz stable cpu, i can not cool that, but stable at 4.7ghz is good enough
post #61868 of 68053
Quote:
Originally Posted by KarathKasun View Post

Just going to point out that weather something has 4 or 40 threads it may not be well threaded. If all 40 of those threads are waiting on a single thread to complete, you will be limited by that single thread.

That's why i want to use a Boost rather than fixed clocks.
Having the core with the main thread boost itself in order for the other threads not to wait biggrin.gif

overall i am satisfied with the current state and it is more than what i was hoping for with this state the single threaded performance jumps a lot compared to stock. According to passmark test from 1500 to 1700 score
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post #61869 of 68053
Quote:
Originally Posted by Johan45 View Post

I think AMD will HAVE to be reasonable in their pricing if they want to win back consumers from the blue team
They are apparently using high density lithography with a reasonably small chip design so I don't think Zen will be particularly costly for them to manufacture.
post #61870 of 68053
Quote:
Originally Posted by Johan45 View Post

This looks pretty promising. Zen vs broadwell E in blender both at 3.0G Zen comes out on top barely

Nice one @Johan45

Videos are now sprouting the web!

Paul's hardware did show some interesting set-up there. And looks like Zen will have an iGPU.
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