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how much faster is the GTX 780 @ the same clocks compared to the HD 7970 ?!

post #1 of 42
Thread Starter 
i was just wondering....
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post #2 of 42
google "GTX 780 review"

you'll get a good estimate.
    
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post #3 of 42
About 30%, but good luck trying to get the GTX 780 to clock as high, its a big heavy DIE compared to the 7970.
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post #4 of 42
Thread Starter 
Quote:
Originally Posted by Abundant Cores View Post

About 30%, but good luck trying to get the GTX 780 to clock as high, its a big heavy DIE compared to the 7970.

it can't do 1200 MHz ?
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post #5 of 42
1200 is pretty much on golden area. A golden 7970 can do 1350-1400.The difference is between 5% -22 % depending on the game. For example on the new grid 2 7970 match a 780 and lose by 5% from a titan. So depends the game. Average probably 15-20%
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post #6 of 42
Thread Starter 
Quote:
Originally Posted by sugarhell View Post

1200 is pretty much on golden area. A golden 7970 can do 1350-1400.The difference is between 5% -22 % depending on the game. For example on the new grid 2 7970 match a 780 and lose by 5% from a titan. So depends the game. Average probably 15-20%

but i've never heard of a 7970 that will do 1400 MHz honestly biggrin.gif

max i've seen was 1300

and mine maxes out @ 1200
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post #7 of 42
Quote:
Originally Posted by invincible20xx View Post

it can't do 1200 MHz ?

No, not unless you get a golden one and even then it might do it for short benching bursts but that's about it.
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post #8 of 42
Thread Starter 
Quote:
Originally Posted by Abundant Cores View Post

No, not unless you get a golden one and even then it might do it for short benching bursts but that's about it.

what average clocks does the GTX Titan get ?
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post #9 of 42
Dont forget about "performance per transitor".

HD 7970 with Tahiti XT has 4313 milions of transitors. GTX 780 (and Titan as well) have 7080 milions of transistors... Both cards on stock frequency have about 3700-3900gflops (Titan 4500), but clocking Tahiti XT to 1000Mhz is quite simple and you have peak performance 4300Gflops.
post #10 of 42
My 780s are stable at higher clocks than I felt comfortable running my 7970s at, 1187, always ran the 7970s at 1160, but on average i'd say the 7970 can probably clock a little higher, mainly because of the extra voltage control
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