GTX 770m overclock reaching the same peformance as 680m?

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unfoldstory

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Mar 11, 2013
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Hi guys I was wondering if I were to overclock the GTX 770m to a stable clock rate is it possible to reach the same peformance as a gtx 680m?
 
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americanbrian
well the 680m has 1344 shader cores @ 720mhz where the 770m has only 960 shader cores albeit clocked to 811mhz. I personally don't think it is possible to match the performance through a clock bump alone. You would have to make up for too much core count deficit. Also the memory pipeline on the 680m is 256-bit wide vs 192-bit on the 770m. That means the memory bandwidth is far lower too.

So, no sorry. I don't think you will quite push it there, not without Ln2 (liquid nitrogen) anyway.
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americanbrian

americanbrian

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well the 680m has 1344 shader cores @ 720mhz where the 770m has only 960 shader cores albeit clocked to 811mhz. I personally don't think it is possible to match the performance through a clock bump alone. You would have to make up for too much core count deficit. Also the memory pipeline on the 680m is 256-bit wide vs 192-bit on the 770m. That means the memory bandwidth is far lower too.

So, no sorry. I don't think you will quite push it there, not without Ln2 (liquid nitrogen) anyway.
 
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unfoldstory

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Oh snaps do you think the 770m is a good card still though? I was going to play mmos like Final Fantasy 14 ARR on the nvidia site it says 1920/1080 high settings it should get 80 frames but on ultra do you think it should still be fine?
 
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americanbrian

americanbrian

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well it is right up there as far as mobile gaming goes. It is certainly a class 1 card for sure. The truth is that it just depends on what settings you feel are a necessity. I personally like games more on playability than graphics. Not saying I don't like my eye candy, but it just isn't that important for me to have it cranked to 11.

in general, I would say 4x AA is plenty, the differences are indiscernable to me from 8x or even 16x. Also for mmos I find that mostly the framerate isn't quite as important as in other types of games. 30fps would be fine for a game like LoL or DoW or similar. first-person shooters I defo want 50fps or more.

Anyway, I think you are lucky to be able to afford a class 1 GPU for your laptop, I wouldn't worry that it is 5-10% slower than the king.
 
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