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Overclocking the GTX280

post #1 of 17
Thread Starter 
Has anyone had some experience over clocking the GTX280?

I'm thinking of water cooling a GTX280 and Q6600 with a 780i motherboard and I'm wondering what kind of performance gains I might be able to achieve when over clocking the GTX280. Does it over clock well?

I'll be getting a 24" monitor to run my games at 1920x1200.

Thanks for any input!
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post #2 of 17
look at my clock, lol im on stock air too
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post #3 of 17
Thread Starter 
I'm a noob when it comes of OC'ing video cards. Are you saying that this is a good overclocker? How much performance increase have you seen with the overclock?

Thanks man +rep
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post #4 of 17
i think he's saying that it clocks decently (in his case)

the stock is 600, so he got an %11 increase in clocks which should brobably translate (with my experience) to ~%7-8 increases in performance if you arent bottlenecked by the CPU

but in his case he may be

with water cooling you should definately do better....but a max clock is not what your're looking for....it's all about finding a balance between stability, noise and temperatures
    
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post #5 of 17
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post #6 of 17
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post #7 of 17
what would you say is your max overclock for benching if say you where on air?

I know my 9800 gx2 where 744/1121 I have no clue what my gtx's are gonna do and boy do I hate testing and testing and testing and testing to find the max overclock.
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post #8 of 17
my gtx 280 overclocks fairly well on the stock air cooling. Although my case might play a part in it because it has good airflow, i have gotten my clocks pretty high without any sign of overheating. i recently ordered a watercooling system for my cpu, and an evga waterblock. i cant wait to see what i can do then. i suggest to never buy factory overclocked graphics cards because you could just do the same overclock, maybe even better, in under 30 min.
    
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post #9 of 17
Quote:
Originally Posted by DraganUS View Post
US what stepping is ur QX?
I don't know I just overclock and up the voltage to a point until its stable,
The QX6700's and QX68's run hot and need more volts than other CPU's.
Highest I've had mine is close to 3.9Ghz haven't went any higher yet because it takes alot of voltage and don't want to fry it.


Quote:
Originally Posted by iggster View Post
what would you say is your max overclock for benching if say you where on air?

I know my 9800 gx2 where 744/1121 I have no clue what my gtx's are gonna do and boy do I hate testing and testing and testing and testing to find the max overclock.


Guy over at another forum says 752 on air, you just have to play with it and see what it will do all cards are different just watch your temps or if it starts to artifact lower it, I've always used Everest on my G15 so I can watch temps while I bench or play games.

eVGA's tool is nice because you can control the shader separate you can clock higher on the core if the shader don't go as high.
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post #10 of 17
Quote:
Originally Posted by dahdout View Post
my gtx 280 overclocks fairly well on the stock air cooling. Although my case might play a part in it because it has good airflow, i have gotten my clocks pretty high without any sign of overheating. i recently ordered a watercooling system for my cpu, and an evga waterblock. i cant wait to see what i can do then. i suggest to never buy factory overclocked graphics cards because you could just do the same overclock, maybe even better, in under 30 min.
are you sure? I thought they ever so slightly stepped up the OC card? hmm
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