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What is the highest possible percentage gain you can get with a 600 / 700 series GPU ?

post #1 of 4
Thread Starter 
With overclocking CPU's you can easily see a 50% performance gain without crazy cooling systems and ever 100% performance gain on certain CPU's without CRAZY cooling systems

Now best case scenario with 600/700 series card with best cooling what is the biggest performance jump you could see and still have a stable card

(AKA. How much percentage performance gain can you see with best possible 600/700 series card with a crazy Liquid cooling system)
post #2 of 4
It's really subjective on the chip and the card you have.

You wouldn't see a 50% performance gain without crazy cooling on most chips let alone a 100% performance gain on any CPU's IMO unless I'm mistaken.

I would say maybe a 10-15% increase form overclocking most 600/700 series GPU's. I think the new 780 is supposed to be in that 10-15% overclockability range if you will.
post #3 of 4
Thread Starter 
Kwl so its not really worth getting Liquid cooling on your GPU ?

I overclocked my i5-750 from 2.6GHz to 3.68Ghz using a Cooler that only cost me 24$ and the max temp i get in benchmarks is 75 degrees

Now that's like a 40% increase with a cheap heat-sync

Thx for the answer spikeSP , was hoping it would be possible to get at least a 30% increase using water cooling on my GPU

So water cooling a GPU isn't really worth it
post #4 of 4
Quote:
Originally Posted by Legion739 View Post

Kwl so its not really worth getting Liquid cooling on your GPU ?

I overclocked my i5-750 from 2.6GHz to 3.68Ghz using a Cooler that only cost me 24$ and the max temp i get in benchmarks is 75 degrees

Now that's like a 40% increase with a cheap heat-sync

Thx for the answer spikeSP , was hoping it would be possible to get at least a 30% increase using water cooling on my GPU

So water cooling a GPU isn't really worth it


Yeah a 30% overclock is really significant on a GPU. You need a very good chip to get something like that and it's the luck of the draw. You might get REALLY lucky but I doubt it.

Regarding your CPU, they require higher and higher voltages to be stable at higher clock speeds, and some simply won't be stable at clock speeds too high, so it gets harder the higher the overclock is. I have a 45% OC myself, but OC's much higher than that aren't very stable on my chip (i7 950).

Watercooling is worth it if you are concerned about noise, or if you have multiple cards.

I have 3 cards and watercooling is necessary for good temperatures with overclocking.
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