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7970 GHz Edition or GTX 680 2GB? - Page 5  

post #41 of 106
Quote:
Originally Posted by sherlock View Post

The ceiling isn't the same due to voltage locks on Keplers. Plus the average/ceiling Overclock should always be considered when buying a GPU unless you just never ever ever want to OC.

The problem is that there is no way to know the average/ceiling overclock. You can't rely on online databases or forum posts for the same reason you can't rely on online reviews - because people who get crappy/average overclocks are much less likely to advertise that fact than people who get very good overclocks. Yes almost all 7970s will get to GHz speeds, but trying to compare the cards based on "average" overclocks is too hard to do scientifically.

I'm not saying that the 680 is better, the 7970 is clearly the better value now (although I would ask why the heck it took AMD 10 months to get their drivers figured out), but the new drivers didn't provide magical improvements to the point that the 7950 is outperforming the 680 like some people are claiming.
Quote:
Originally Posted by sherlock View Post

A 680 will have problem getting over 1350Mhz, that's only 1350/1128= 20% Overclock over the max boost of a non-OC generic 680

Actually the base boost for a GTX 680 is 1058, not 1128, so that's 27.5%. Obviously most cards boost higher than 1058, but if you are going to use out-of-the-box numbers you might as well use the ones on the box. I don't know how many 680s are getting to 1350 though - I'd think 1300 is probably closer to the top-end.
Edited by Forceman - 11/21/12 at 6:58pm
post #42 of 106
Quote:
Originally Posted by Forceman View Post


Actually the base boost for a GTX 680 is 1058, not 1128, so that's 27.5%. Obviously most cards boost higher than 1058, but if you are going to use out-of-the-box numbers you might as well use the ones on the box.

depends on the card model, i have seen gtx680 cards with boost clocks in between 1100 and 1176 and an asus card with a boost clock of 1201 and core clocks between 1058 and 1111 quick look
example
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130801
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post #43 of 106
Quote:
Originally Posted by stubass View Post

depends on the card model, i have seen gtx680 cards with boost clocks in between 1100 and 1176 and an asus card with a boost clock of 1201
example
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130801

His example was non-OC generic cards.
post #44 of 106
Quote:
Originally Posted by Forceman View Post

Quote:
Originally Posted by stubass View Post

depends on the card model, i have seen gtx680 cards with boost clocks in between 1100 and 1176 and an asus card with a boost clock of 1201
example
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130801

His example was non-OC generic cards.

ahhh missed that part, thanks for clarifying smile.gif
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post #45 of 106
Any 670 and 680 owners who still hold on to the belief that Kepler is faster should post their game benchmarks here (Metro 2033, Crysis 2, AVP, etc.) and I will follow suit. Run 'em using your maximum overclock.

7970GHz is simply faster both at stock and overclocked. Voltage lockdown on Tahiti cards is simply a sample by sample incident. I bought a Gigabyte 7970 earlier this year that came locked doesn't mean that they are all locked.
post #46 of 106
Quote:
Originally Posted by Bruennis View Post

Any 670 and 680 owners who still hold on to the belief that Kepler is faster should post their game benchmarks here (Metro 2033, Crysis 2, AVP, etc.) and I will follow suit. Run 'em using your maximum overclock.
7970GHz is simply faster both at stock and overclocked. Voltage lockdown on Tahiti cards is simply a sample by sample incident. I bought a Gigabyte 7970 earlier this year that came locked doesn't mean that they are all locked.

Thier was a user tested his 680 and 7970 but he didnt use the newest betas he used 306.** and 12.11betas and the 7970 came out ahead.
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post #47 of 106
I would personally take the 7970, but both are great cards.
post #48 of 106
Quote:
Originally Posted by Bal3Wolf View Post

Thier was a user tested his 680 and 7970 but he didnt use the newest betas he used 306.** and 12.11betas and the 7970 came out ahead.

I don't doubt that. Even with 310.XX I do not think it would make a difference. I came from a Lightning 680[1372/1771] and know full well the potential of Kepler.

The Lightning was slower than the Matrix[1320/1775] that I have in my current setup. Of course the visual difference between the two is not noticeable to the human eye granted they both can run the latest games at nearly maximum quality but let's not forget that this is a game of numbers. And as we all know, numbers speak for themselves. The 7970GHz simply pumps out more frames than the GTX 680 while costing less than its competitor.
post #49 of 106
I just traded my 7970s for 680s. Why? To see the other side of the fence. The conclusion? You cannot tell the difference between the 2 in 90% of games, simply by playing the game, and the other 10% are PhysX titles. Sure the frames might be slightly higher on one or the other, but in all current games the difference isn't large enough to be able to SEE a difference within the game itself.

With that said, if you don't care about PhysX (it is pretty cool, but nothing mind blowing IMO), save your money and buy a 7970. thumb.gif
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post #50 of 106
The HD 7970 Ghz is the fastest card. anybody who is contesting that is just in denial.

http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/3

http://www.hardocp.com/article/2012/11/07/medal_honor_warfighter_gameplay_performance_review/5

http://www.legitreviews.com/article/2068/8/

http://www.guru3d.com/articles_pages/hitman_absolution_graphics_vga_performance_review_benchmark,6.html

HD 7970 Ghz. wins most of the demanding games and with significant margins. BF3, MOH Warfighter, Metro 2033, Sleeping Dogs, Crysis Warhead, Crysis 2, Witcher 2, Alan Wake, Hitman Absolution.
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