Most overclockable GPU

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bc5

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Dec 5, 2012
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Maybe a question for the more experienced enthusiasts here:

What's the most overclockable GPU (percentage-wise) ever made?

I'm not looking at buying to don't ask me about budget. It's purely curiosity. I also know that any given GPU can vary widely in overclockability so just interms of a typical overclock that most cards of that GPU could deliver.
 
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Danzas4321

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Jul 4, 2013
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im not sure past back the 6000 series from amd and the 600 series from nvidia but i heard of people overlcocking 7950's by around 40% and 680's by 40%, which is insane.
there is a guy on youtube called JayzTwoCents who has a insane machine. he got lucky with his 3770k and overclcoked it to 4.9ghz at stock voltage on water and has a 680 on water running at something around 1310mhz
 
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bc5

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50% is incredibly impressive! I'm wondering how modern GPUs stack up to previous generations in overclocking headroom - are they as good? Better, worse? If cards are getting more overclockable, it would suggest nVIDIA and AMD are gearing their products more towards people who overclock. And if they're getting closer to their limits, it would suggest they're moving towards best out-of-the-box performance for people who don't overclock.
 
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meowmix44

meowmix44

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The only pre-oced card I'd buy is a Gigabyte Windforce 3X GTX 670 OC. NVIDIA and AMD dont really like overclocking because many ignorant people try to RMA after trying to OC like a maniac. Vendors buy chips from NVIDIA and AMD and either take the reference cooler or build their own coolers/PCBs to put the GPUs onto. They are not getting closer to their limits because my 7970 stock was 950MHz on core, but now is 1230MHz. The cards come downclocked, and if people know what they are doing then those people get to have much faster cards after OCing.
 
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bc5

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I did try GPU overclocking back in the GeForce MX460 and Radeon 9700 days but don't recall what results I got (other than some nasty artefacting). Based on that (very limited and barely remembered) experience, I guess GPUs haven't got any worse in overclocking headroom. Maybe much better. But would be nice to know how far some of the other old generation GPUs would go.
 
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quilciri

quilciri

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Mar 16, 2012
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It's not technically an overclock, but it does more for performance than an overclock would - a lot of older cards, including the radeon 9500, had disabled shaders that could be unlocked via bios flash or other methods. In this case, it allowed some 9500's to become full 9700's.
 
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bc5

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I do remember that! Apparently it was part of the reason for the 9600 and 9800 replacing them. Wasn't it a pencil trick similar to unlocking the CPU multipliers on the Athlon XPs?
 
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