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Should i overclock my ATI 4770 XFX

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  • Graphics Cards
  • Graphics
Last response: in Graphics & Displays
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March 8, 2011 2:09:11 AM

hi,below are my pc specs,the settings on my video card are default i think,750mhz gpu clock settings and 800mhz memory clock settings..should i increase that in my catalyst control centre and will this show much improvement in my frame rates..i use a 20inch widescreen at 1600x900 and play FPS games


NZXT apollo case
Gigabyte GA-EP45-UD3L, Intel P45/LGA775/ATX
4GB KIT(2x XMS2 2GB) Corsair 'XMS2' [TWIN2X4096-6400C5], DDR2/PC6400/800MHz
550W Greatwall - 12cm Fan
500GB Seagate ‘Barracuda’ [ST3500418AS], 7200.12/SATA/16MB CACHE
Intel® Core™2 Duo E7600, 3.06GHz/FSB1066MHz/3MB Cache/LGA775
XFX HD 4770 512MB 128Bit,
windows 7 64 bit

More about : overclock ati 4770 xfx

a b U Graphics card
March 8, 2011 2:18:24 AM

will increase frame rates
use Auto Tune in CCC to get an idea where to start
watch your temps with the new auto tune setting
should idle easily below 50c in a 20c room
download MSI Afterburner (google it-free download)
i like that program because it will show temps and frames per
second while playing a game.
usually you can go a little higher than the auto tune setting
just go in small steps (10mhz)
use something like Lightsmark 2008 (video card frame per second tester -free)
to see FPS before OC and after OC
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March 8, 2011 2:23:15 AM

king smp said:
will increase frame rates
use Auto Tune in CCC to get an idea where to start
watch your temps with the new auto tune setting
should idle easily below 50c in a 20c room
download MSI Afterburner (google it-free download)
i like that program because it will show temps and frames per
second while playing a game.
usually you can go a little higher than the auto tune setting
just go in small steps (10mhz)
use something like Lightsmark 2008 (video card frame per second tester -free)
to see FPS before OC and after OC

great,thanks i am downloading MSI afterburner now,i will see if there is an improvement and post again later
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March 8, 2011 2:26:47 AM

Yeah Overclocking Will Increase Fps for Sure But make sure not to clock the card max you can because gpu overclocking is not mature yet only a few people do it and make sure not to burn your Gpu.
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March 8, 2011 2:42:02 AM

i ran the auto tune test and the gpu clock settings are now 765mhz and the memory clock is still at 800mhz,the idle gpu temp is 48c..should i start increasing both settings now?
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a b U Graphics card
March 8, 2011 2:48:51 AM

mrjericho1991 said:
Yeah Overclocking Will Increase Fps for Sure But make sure not to clock the card max you can because gpu overclocking is not mature yet only a few people do it and make sure not to burn your Gpu.



It is a good idea not to go max with a card
but OCing gpu's is not a new thing
I have been doing it for many years
and there is alot of software IE rivatuner,ati tool etc
that has been around for a long time

To the OP
amd overdrive in ccc is a good place to start
use autotune to get an idea how high your card can go
they usually set the auto tune settings OC at a conservative level
overdrive also has a test feature to test your settings
also if you do go to high then all that usually happens
is the computer freezes and you have to reboot
Long term heavy OCing of card will decrease GPU life
create profiles in Afterburner
I have one profile which is a medium OC and another that is
a nearly maxed OC
When I am not using graphically intense apps (games for example)
I leave it at stock settings
when i play games I will use the med and max profiles depending
on intense the game settings are
ALWAYS be checking your temps
With full load (higher end game) you dont want to go any higher
than about 80-85c for extended periods
also though most cards will throttle down when temps go high
I have had cards for years that I have OCd
I just sold a XFX 7600GS from 2007-2008 that is
still running fine
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a b U Graphics card
March 8, 2011 2:51:11 AM

mrclownface said:
i ran the auto tune test and the gpu clock settings are now 765mhz and the memory clock is still at 800mhz,the idle gpu temp is 48c..should i start increasing both settings now?


what is temp in room?

if you look at the max that overdrive or after burner sets
it is usually withing a safe level

what are the max settings that Overdrive lets you set?

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March 8, 2011 3:38:28 AM

king smp said:
what is temp in room?

if you look at the max that overdrive or after burner sets
it is usually withing a safe level

what are the max settings that Overdrive lets you set?

the max on catalyst centre is 830mhzgpu clock and max on memory clock is 850mhz,the temp in the room is 22c
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March 8, 2011 5:17:55 AM

king smp said:
what is temp in room?

if you look at the max that overdrive or after burner sets
it is usually withing a safe level

what are the max settings that Overdrive lets you set?

i again ran the auto tune in the catalyst control centre for a longer period of time and now its running at 820mhz gpu clock setting, and 830mhz memory clock setting,do you think this will be ok?,i did not make any changes via the msi after burner
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a b U Graphics card
March 8, 2011 3:14:33 PM

should be fine
keep an eye on temps
shouldnt be over 50c on idle (closer to 40c) and higher
than 80c on load (load afterburner and watch temps during game)
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a b U Graphics card
March 8, 2011 5:47:30 PM

dont be worried if it goes a little higher than 80c but over 90-95 you have to look into better cooling
Zalman makes some nice GPU coolers
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a c 130 U Graphics card
March 8, 2011 5:53:36 PM

Hi,
My 4770 has run from day one with the CCC settings all the way to the right. it could go higher but the support for the card on both Rivatuner and Afterburner, (same thing really) isnt there. Had to hack the support section in Rivatuner to add the card and Afterburner needs a couple of entries edited as well to allow un supported over clocking.

Mactronix :) 
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a b U Graphics card
March 8, 2011 6:31:10 PM

I would leave it with max CCC settings myself.
Most cards will go higher than what Overdrive sets BUT
the amount of performance gained from going higher than
overdrive settins is really minimal (realistally only about 5 FPS)
Unless your going with a highend cooler or water setup than
stick with CCC Overdrive settings.
Though I would leave it stock and only OC when needed.
Usually in OCing programs like Afterburner,Rivatuner etc
you can set profiles to load when it senses 3D (games)
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March 9, 2011 6:07:29 AM

king smp said:
should be fine
keep an eye on temps
shouldnt be over 50c on idle (closer to 40c) and higher
than 80c on load (load afterburner and watch temps during game)

i found when i ran MW2 at those settings 820mhz and 830mhz,the game froze,then i got a black screen with a message,no VGA signal detected,i thought i had cooked my video card,i simply rebooted my pc and decreased the settings back to 765mhz and 800mhz memory clock,im not real sure why that happened
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a c 175 U Graphics card
March 9, 2011 6:19:20 AM

just use the highest stable clock, only increase small amounts at a time when testing and you will find the cards limits. also, before you start to oc anything, clean your pc from dust, make sure you have adequate ventillation in your case. re-seat your heatsink with as5 thermal paste if temps get a bit high, i would do it anyway on an older card.. there are plenty of guides that show you how to do this properly. The memory clock is usually more sensitive to making things freeze, artifacts etc than the gpu clock.
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a c 130 U Graphics card
March 9, 2011 6:27:56 PM

I agree that setting it higher than the CCC will go isnt worth the hassle, the temps do go up markedly and the return isnt worth it. As said just use what ever your best stable clock is Auto tune has never given me anywhere near what the card can actually do stable. Find a decent OCing guide on the net and follow that. Basically increase memory clock first in small amounts untill it wont post then put the memory back to stock and do the same with the GPU clock. Keep an eye on temps while doing this.
Your best stable over clock will be very close to what you had on the clocks separately but i usually just drop off by about 5 with each clock and have yet to have a problem.

Mactronix :) 
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