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[Official] NVIDIA GTX 690 Owners Club - Page 518

post #5171 of 5564
back to home sweet home ... 2 O clock in the morning !

Wish u all a merry Christmas to begin with !

You ask me about the feature, voltage tweaking for the 690 :

just an example :

200/650 : core / GDDR5
I set my voltage to 1.275V : it will Vdrop to 1.260/1.250 ingame so far i can't prevent this, either Unwinder do.

If you set to AUTO : the last voltage setting you set earlier is kept ... vcore will flap between 1.1xxV and 1.275V (with Vdrop)

one Gpu can easily handle 1300 mhz and the other one between 1274 mhz and going down to 1110 (+50 setting for me) under very strong workload

so i set a lower resolution ( 3200x1800p > 2880x1620p > 2560x1440p) and the second gpu will stay at 1274 still if not lower the voltage and the speed of the gpu's.

so The power target and Nvidia OCP is pure **** mad.gif ...

your last statement :
1202 / 1241 ... + 0.38 FPS gained ? keep your money and start playing ! biggrin.gif

to put in a nutshell v dropping force you to add more voltage , vcore basically to sustain high workload ...
obviously it will warm more the vrm circuitry and your gfx will start sooner to throttle : PT will kick in... and **** comes in!

the volterra chip is vdropping that's a fact

maybe if we can managed to force constant voltage without adding vdropping it will help for sure all of us ... so Back to the future ?!!

the unwinder trick via the voltera VRM chip is possible on the gtx 690 but guess what nvdia has putted a cheap vrm circuitry on the gfx : 8+2 phases

4 + 4 for the to gpu and 1+1 for the ram

so basically when overvolting there is a HUGE workload on the VRM and they were
not designed to support such workload for a long period of time..

"good OC bad oc ..."
.... silicon lottery as i said earlier ... lifespan is the same deal ...


all your game must run at the exact speed on the average to have the best performance : if not lower your graphic settings or your overclocking

it's worth it ? or not , the costs and if you do it wrong with not sufficient cooling it will shorten the lifespan of your gfx for sure ... for benching it's ok ... for gaming stay at 150+ ...

the fact is nvidia as put some locks in the driver, unwinder via AB has bypassed nvida OCP

Nvidia claimed it was to prevent to much RMA, ... My POV is that they already know that the GK104 was the best game gpu the firm have done so far : best core ratio x3 compared to previous 580 gtx , and not "greedy" gpu and it can overclock
well so they decide to prevent this... Nvidia banned Voltage modification.

or it was on other purposes ...

and that a fact the 690 gtx is still the fastest card "occed" or not , maybe the 780 ti kigping editon will be the next king of the Hill !


Je vous souhaite bonne nuit cher Monsieur ...
Edited by lascar - 1/6/14 at 10:57pm
post #5172 of 5564
Never mind, jcde7ago is apparently not monitoring this thread.
Edited by Code187 - 1/2/14 at 5:16pm
post #5173 of 5564
Happy new year for everyone smile.gif

skyn3t wishes the best for you and family.
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post #5174 of 5564
Best wishes right back atcha! smile.gif

To confirm Lascars post. Running overvolted anywhere from 1.21v to 1.3v with or without LLC mod will result in a lower 3dmark score possibly due to vrm throttling.
Example: running stock volts with both cores @ 1215Mhz gives me a graphics score in 3dmark11 of ~21.900 which is nice. Touching voltages and running 1228Mhz to 1300Mhz results in a graphics score of ~16.500 due to heavy throttling (doesn't matter of voltage is set to 1.21v, 1.275v or even 1.3v) while the card never reaches temps above 48 degrees under water.
Both running with stock bios but with 150% Power Limit.
So I''ve gone back to just upping the core clock without changing voltages to 1202Mhz for 24/7 use, under water. Ergo; days of fiddling with voltage and LLC didn't get me anywhere (and I know what I'm doing)

Biggest problem is the crippled Power Limit in my opinion. We need a higher Power Limit above 150% for sure.
Edited by tin0 - 1/3/14 at 1:59am
post #5175 of 5564
Quote:
Originally Posted by lascar View Post

back to home sweet home ... 2 O clock in the morning !

Wish u all a merry Christmas to begin with !

You ask me about the feature, voltage tweaking for the 690 :

just an example :

200/650 : core / GDDR5
I set my voltage to 1.275V : it will Vdrop to 1.260/1.250 ingame so far i can't prevent this, either Unwinder do.

If you set to AUTO : the last voltage setting you set earlier is kept ... vcore will flap between 1.1xxV and 1.275V (with Vdrop)

one Gpu can easily handle 1300 mhz and the other one between 1274 mhz and going down to 1110 (+50 setting for me) under very strong workload

so i set a lower resolution ( 3200x1800p > 2880x1620p > 2560x1440p) and the second gpu will stay at 1274 still if not lower the voltage and the speed of the gpu's.

so The power target and Nvidia OCP is pure **** mad.gif ...

your last statement :
1202 / 1241 ... + 0.38 FPS gained ? keep your money and start playing ! biggrin.gif

to put in a nutshell v dropping force you to add more voltage , vcore basically to sustain high workload ...
obviously it will warm more the vrm circuitry and your gfx will start sooner to throttle : PT will kick in... and **** comes in!

the volterra chip is vdropping that's a fact

maybe if we can managed to force constant voltage without adding vdropping it will help for sur all of us ... so Back to the future ?!!

the unwinder trick via the voltera VRM chip is possible on the gtx 690 but guess what nvdia has putted a cheap vrm circuitry on the gfx : 8+2 phases

4 + 4 for the to gpu and 1+1 for the ram

so basically when overvolting there is a HUGE workload on the VRM and they were
not designed to support such workload for a long period of time..

"good OC bad oc ..."
.... silicon lottery as i said earlier ... lifespan is the same deal ...


all your game must run at the exact speed on the average to have the best performance : if not lower your graphic settings or your overclocking

it's worth it ? or not , the costs and if you do it wrong with not sufficient cooling it will shorten the lifespan of your gfx for sure ... for benching it's ok ... for gaming stay at 150+ ...

the fact is nvidia as put some locks in the driver, unwinder via AB has bypassed nvida OCP

Nvidia claimed it was to prevent to much RMA, ... My POV is that they already know that the GK104 was the best game gpu the firm have done so far : best core ratio x3 compared to previous 580 gtx , and not "greedy" gpu and it can overclock
well so they decide to prevent this... Nvidia banned Voltage modification.

or it was on other purposes ...

and that a fact the 690 gtx is still the fastest card "occed" or not , maybe the 780 ti kigping editon will be the next king of the Hill !


Je vous souhaite bonne nuit cher Monsieur ...

Quote:
Originally Posted by tin0 View Post

Best wishes right back atcha! smile.gif

To confirm Lascars post. Running overvolted anywhere from 1.21v to 1.3v with or without LLC mod will result in a lower 3dmark score possibly due to vrm throttling.
Example: running stock volts with both cores @ 1215Mhz gives me a graphics score in 3dmark11 of ~21.900 which is nice. Touching voltages and running 1228Mhz to 1300Mhz results in a graphics score of ~16.500 due to heavy throttling (doesn't matter of voltage is set to 1.21v, 1.275v or even 1.3v) while the card never reaches temps above 48 degrees under water.
Both running with stock bios but with 150% Power Limit.
So I''ve gone back to just upping the core clock without changing voltages to 1202Mhz for 24/7 use, under water. Ergo; days of fiddling with voltage and LLC didn't get me anywhere (and I know what I'm doing)

Biggest problem is the crippled Power Limit in my opinion. We need a higher Power Limit above 150% for sure.
Thankyou for the explanation guys and a very happy new year too you!
post #5176 of 5564
Do you guys think this card is still worth buying if a good deal can be had for it? Has anyone had issues with micro-stuttering or hitting the VRAM ceiling often?
'
post #5177 of 5564
Quote:
Originally Posted by Infinite Jest View Post

Do you guys think this card is still worth buying if a good deal can be had for it? Has anyone had issues with micro-stuttering or hitting the VRAM ceiling often?
'
No issues with Microstuttering as the 690 has hardware based frame metering technology so its actually smoother than 2x 680s in sli.
http://www.computerbase.de/artikel/grafikkarten/2012/test-nvidia-geforce-gtx-690/8/

I do not hit the vram limit when using anti aliasing from most games but when i use Nvidia inspector i can hit this limit easily.
Also depends on what resolution your playing at, i play at 2560*1440 so i could do with atleast 3gb of vram but tbh i max out on most games at aroun 1.5gb so the card is still ok for now.
Lower resolution than this should see you good or just get a 780TI with 3gb ram.
post #5178 of 5564
RBBY volt mod give it a try ! thumb.gif

http://www.overclock.net/t/1398725/unlock-afterburner-limits-on-lots-of-cards-some-with-llc-ab-b-18

don't want to loose the battle againt nvida : keep looking for best volt mod without VDrop wink.gif

Stay tuned M8 biggrin.gif
Edited by lascar - 1/8/14 at 12:07am
post #5179 of 5564
Quote:
Originally Posted by Infinite Jest View Post

Do you guys think this card is still worth buying if a good deal can be had for it? Has anyone had issues with micro-stuttering or hitting the VRAM ceiling often?
'

i have never experienced micro stutters however i have hit the VRAM ceiling pretty often. Crysis 3 will hit it vram limit, battlefield 4 also hits this limit.

having said that dropping some AA settings resolves this completely and since ive moved to windows 8.1 most of the stuttering in at least bf4 has completely disappeared despite it being locked at 2gb usage. (i assume this has something to do with the DX upgrade in 8.1).

having said that if i could sell my 690 i would and now i believe you would be better off looking at the custom cooled AMD r9 290 range. performance is close to the 690 vram limit is double and with mantle being used for lots of upcoming high profile games amd looks like a winner atm. if your thinking of buying something wait until some mantle benchmarks then make your call.

BUT even at 1080p the 2gb vram limit is an issue especially on a card this powerful as your limited by the vram not the cards raw power which is sad.
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post #5180 of 5564
if the card was shipped with 4Gb of GDDR5, no one would buy the titan , the 780gtx ,the "GHZ" and "ti"edition .... that's a fact and nvidia already knew that thumb.gif

Vram limitation and voltage tunning banned are the key of success .... biggrin.gif

sad world .... consumerist society ...
Edited by lascar - 1/8/14 at 7:34am
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