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[Official] NVIDIA GTX 780 Owner's Club - Page 1724

post #17231 of 24915
Alright additional step by step manual here smile.gif
But is this for real that you won't see huge fps gain with single 120h1080p??? No reason to torture gpu?
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post #17232 of 24915
Quote:
Originally Posted by Akehage View Post

Got it to work. Changed hdd for the folder. Can I with air go with power limit at 120+? This seems to increase tdp? It is now at 80% running heaven. (Power consumption). Don't know how high I can go with all this? Will more power limit give me better core clock speed? With my asus the voltage is still locked at 1.2. So guess I can play with pl instead?

Edit: Seems my maximum settings are this:
Core Voltage: +62
PL: 120
TL: 90 (prioritized)
Core Clock: +325
Memory Clock: +500 (pretty low right?)
Fan speed: 78 (While running heaven, set on auto, and using fan curve)

Pic of GPU-Z while running Heaven: (not showing in picture: VDDC Current 77A, VDDC Power 90W, VRM Temps: 84C)



Is this the maximum I can go? Starting to get artifacts now in heaven, and when tryed memory clock 550 the computer freezed and restarted. Have seen people get up to 7600Mhz on memory. So I guess +500 is kind of low?

Can I do some AB tweak to increase voltage? Or do I need to do that leading thing in the video (which I will not even try lol). Because my temps are at 72 only, so I guess I could have been cranking up the voltage a little bit more.

Clearly you need to do some reading! tongue.gif
Here are some of my articles:

About PT/TDP

The PT is the increase of TDP (thermal design power) which is determined by the chips maker (GK110 =250W) but this is not a fixed value, refers to the maximum amount of power the cooling system, in this case a chip, is required to dissipate. The TDP is typically not the most power the chip could ever draw, but the maximum power that it would draw when running "real applications". This ensures the chip will be able to handle essentially all applications without exceeding its thermal envelope, or requiring a cooling system for the maximum theoretical power.
"TDP is meant to be the wattage of the processor at load. I say "wattage" because it is unclear if this is meant to correspond most immediately to how much power is consumed in watts, or how much heat is produced in watts, but as near as I can tell the TDP is pretty much meant to indicate both" GL



(where C is capacitance, f is frequency and V is voltage)

Now, you dont have to make complicated calculus or anything like that because you have this chip here:



It monitors real-time voltage and power draw and its where AB gets its reading from the VRM´s! wink.gif

Stock bios come with 250W TDP (AKA PT) so when its at 100% you will have 250W of power draw, if you increase it to the max stock 106% youll get: 250x106%=265W
The same is with modded 300/400/500W bios what you see in AB or precisionX is the percentage above what you set!
Ex: with a 500W bios (Slider set to maximum of course) you see 60% usage, this equals to: 500x60%=300W
YOU CAN DIRECTLY CONTROL TDP WITH THE SLIDER! thumb.gif

Now, why has AB a 300% slider while PrecisionX uses 200% for the same bios with the same PT?
Well, AB and precision have different interfaces so the readings are different for the same thing, just keep in mind the base TDP value and make your calculations from there
It doesnt matter what the % slider is in any program, just increase it if you having stutters or frame drops and when making calculations always make them from the base TDP:

aW x b% = cW (a= bios base TDP, b= OSD TDP, c= aproximate power draw)


about memory:

Generally speaking GDDR5 runs at a clock frequency of around 1000MHz up to around 1750MHz. GDDR5 is what we call "quad pumped" meaning that within one clockcycle it can do 4 data transfers. This creates a lot of confusion because sometimes graphics card specifications list what is called the "datarate" or "effective clockrate" of the memory which is actuall 4x the real clockspeed. To make matters worse, for whatever reason some vendors are listing double the clockrate which is odd because there is nothing on your videocard that runs at that speed.

To clear the confusion somewhat:

  • If the memory speed listed is between 1000MHz and 1750MHz what's listed is the real clockspeed, meaning that the datarate is 4x this value.
  • If the memory speed listed is between 2000MHz and 3500MHz what's listed is meaningless but most likely the datarate is twice this value
  • If the memory speed listed is 4000MHz and over what is listed is not the clockspeed but the datarate.


.These figures are valid for GDDR5 only so if the card uses another memory type than GDDR5 you cannot use this list. For the purposes of comparing it's easiest to determine the datarate (also called effective memory clock)

So your 500mhz Oc is not so shabby after all huh? thumb.gif
You can up the voltage all the way in AB or Precision if you use it, at this moment there is no soft voltage mod for your card unless the hard mod i sent you by PM!
But in the near there might be some news coming about voltage unlock!
stay tuned! thumb.gif

Quote:
Originally Posted by ice445 View Post

I'm curious as to why the card needs to stay under 80C? I feel like anything under 85 is just fine.

Some VRM's components have a maximum operating temperature of 85C, they withstand more heat but the optimum efficiency is attained at 85C or less! wink.gif

Quote:
Originally Posted by SkyNetSTI View Post

Alright additional step by step manual here smile.gif
But is this for real that you won't see huge fps gain with single 120h1080p??? No reason to torture gpu?

As long as your memory bandwidth is enough you wont see much unless the program have memory intense demand like Valley! Normally heavy OC will grant you 5-9 FPS, some particular cases more of course depending on the application!
If you use AA high levels in your games you might see a benefit in OC by reducing stutters, i see it but in tri-monitor as some games seem more fpuid but again i have 120hz monitors! thumb.gif
You always had my OC guide in the OP and in my SIG: OCCAMRAZOR ADVANCED GK110 OC GUIDE




Cheers

Ed

(Team skyn3t)
Edited by OccamRazor - 2/1/14 at 4:55am
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post #17233 of 24915
hey guys, is there a reason why my card doesn't boost to over 1200mhz? i've added 260 to core and benched it in FS extreme. getting 4787 on 1080p. techinferno bios redface.gif
post #17234 of 24915
Even if I read that Im confused what i really means though. If I have 120% on the Power Limit, will my card draw 300w? From the power supply? And if I have a TDP at 80% is that on those 300w?
Im trying to understand this, but its many different words and terms which I dont really understand, sorry for dumb questions.
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post #17235 of 24915
Quote:
Originally Posted by Maximus Knight View Post

hey guys, is there a reason why my card doesn't boost to over 1200mhz? i've added 260 to core and benched it in FS extreme. getting 4787 on 1080p. techinferno bios redface.gif

Normally its bios related!

Quote:
Originally Posted by Akehage View Post

Even if I read that Im confused what i really means though. If I have 120% on the Power Limit, will my card draw 300w? From the power supply? And if I have a TDP at 80% is that on those 300w?
Im trying to understand this, but its many different words and terms which I dont really understand, sorry for dumb questions.

Your bios is 330W TDP based!
If you have a 120% PT your card will draw if needed 330 x 120% = 396W
If you have a 80% PT your card will draw if needed 330 x 80% = 264W

To check your power draw at moment you use my formula: aW x b% = cW (a= bios base TDP, b= OSD TDP, c= aproximate power draw)
You know your bios is 330W based, check the instant % GPU power in AB or precisionx OSD (on screen display) and do the math! thumb.gif

this is all in my article above!


Cheers

Ed

(Team skyn3t)
Edited by OccamRazor - 2/1/14 at 5:29am
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post #17236 of 24915
Oh math is not my strongest thing in life. Lol!
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post #17237 of 24915
I wonder why my temps were so high? dunu8ydu.jpg

Sent from my DNA
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post #17238 of 24915
Quote:
Originally Posted by OccamRazor View Post

Normally its bios related!
Your bios is 330W TDP based!
If you have a 120% PT your card will draw if needed 330 x 120% = 396W
If you have a 80% PT your card will draw if needed 330 x 80% = 264W

To check your power draw at moment you use my formula: aW x b% = cW (a= bios base TDP, b= OSD TDP, c= aproximate power draw)
You know your bios is 330W based, check the instant % GPU power in AB or precisionx OSD (on screen display) and do the math! thumb.gif

this is all in my article above!


Cheers

Ed

(Team skyn3t)

it doesn't even identify my card in FS =C lol how's the bios for leaktek coming =X
post #17239 of 24915
Quote:
Originally Posted by DBGT View Post

I updated my bios from Gigabyte OC Guro II.
Did you experience this issue before or after BIOS update?
When OC guru II have downloaded new BIOS, can you manually flash it and not via OC guru II?
Looks like there was somthing wrong while flashing via OC Guru II or maybe your card needs to be RMA'ed.
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post #17240 of 24915
Quote:
Originally Posted by neoroy View Post

Did you experience this issue before or after BIOS update?
When OC guru II have downloaded new BIOS, can you manually flash it and not via OC guru II?
Looks like there was somthing wrong while flashing via OC Guru II or maybe your card needs to be RMA'ed.

I don't update if I don't have problem, yes this issue was before updating the bios
And again, are you sure it is normal for this card to reach 1123MHz for stock clock?
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