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This can't be right...

post #1 of 32
Thread Starter 
Hey so I was looking at this review and in almost every chart the 660ti is on par or beats a 7970. I have not been following ATI recently but in no way would they put a price tag on something like that with performance like that. This is a typo or really bad testing isn't it?
http://benchmarkreviews.com/index.php?option=com_content&task=view&id=971&Itemid=72
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post #2 of 32


New drivers new benchmarks.
post #3 of 32
^ with the new drivers the 7970 is sitting on the top of the heap atm

besides the dual gpu cards of course but still closes the gap greatly
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post #4 of 32
Thread Starter 
Did they hire more than one person to work on their driver team or something? That's a pretty good boost.
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post #5 of 32
Quote:
Originally Posted by Makyl View Post


New drivers new benchmarks.

Reference 7970 is about 18% faster across all resolutions. 7970 GHz is about 29% faster in same graph thumb.gif

To answer OP question. Hell no, is a 660 Ti faster than a 7970. Stock for stock, a 660 Ti offers equal performance to an HD 7870 (A card which is considerably cheaper).

http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/1
post #6 of 32
Quote:
Originally Posted by Bruennis View Post

Reference 7970 is about 18% faster across all resolutions. 7970 GHz is about 29% faster in same graph thumb.gif
To answer OP question. Hell no, is a 660 Ti faster than a 7970. Stock for stock, a 660 Ti offers equal performance to an HD 7870 (A card which is considerably cheaper).
http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/1

Looking at that TPU chart, wouldn't you say the 660Ti is pretty close to a 7950 stock for stock?
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post #7 of 32
The Techpowerup chart includes an older reference 7950(800/1250). The vast majority of 7950s nowadays ship out with boost providing up to 925MHz on the core (Memory remains intact). Furthermore, I think it's important to look at a number of reviews before coming to a final verdict.

Are they pretty close you asked. In this review: http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/3

The 7950 holds a 15% performance advantage in Battlefield 3 single player. That advantage is increased to 20% in multi-player mode. In Sleeping Dogs, the 7950 holds a 22% advantage over the 660 Ti. In Witcher 2, another demanding title, the 7950 holds a 25% advantage over its challenger.

What is most interesting in this review is that the 7870 edges out the 660 Ti in 4 of the 5 tests thinking.gif
post #8 of 32
Quote:
Originally Posted by Bruennis View Post

The Techpowerup chart includes an older reference 7950(800/1250). The vast majority of 7950s nowadays ship out with boost providing up to 925MHz on the core (Memory remains intact). Furthermore, I think it's important to look at a number of reviews before coming to a final verdict.
Are they pretty close you asked. In this review: http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/3
The 7950 holds a 15% performance advantage in Battlefield 3 single player. That advantage is increased to 20% in multi-player mode. In Sleeping Dogs, the 7950 holds a 22% advantage over the 660 Ti. In Witcher 2, another demanding title, the 7950 holds a 25% advantage over its challenger.
What is most interesting in this review is that the 7870 edges out the 660 Ti in 4 of the 5 tests thinking.gif

What clocks most 7950s ship out with is irrelevant to whether or not the 660Ti is about as fast as the 800MHz original reference 7950. One could say that quite a lot of the 660Ti's are clocked higher, too...

TPU's index is more informative than three run-of-the-mill review put together. [H] makes some really nice reviews too, but the games they test with are always too few to draw a general conclusion.

I think it's kind of funny that you say it's important to look at a number of reviews before coming to a final verdict and then you link just one review with just four games in it and then go on and only include three of those games to your post.
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post #9 of 32
Quote:
Originally Posted by specopsFI View Post

What clocks most 7950s ship out with is irrelevant to whether or not the 660Ti is about as fast as the 800MHz original reference 7950. One could say that quite a lot of the 660Ti's are clocked higher, too...
TPU's index is more informative than three run-of-the-mill review put together. [H] makes some really nice reviews too, but the games they test with are always too few to draw a general conclusion.
I think it's kind of funny that you say it's important to look at a number of reviews before coming to a final verdict and then you link just one review with just four games in it and then go on and only include three of those games to your post.

7950s are nowadays referenced at 925/1250: http://www.amd.com/us/products/desktop/graphics/7000/7950/Pages/radeon-7950.aspx#3

My suggestion for anyone on the fence would be; do your own research thumb.gif I'm sorry if you couldn't quite grasp that memorandum.

Is a reference 660 Ti as fast as an older reference 7950(800/1250)? At lower resolutions; yes. At higher resolutions; no. Both overclocked, the 660 Ti will be significantly slower thumb.gif

Is it as fast as the current reference 7950(925/1250)? Nope

It's pretty competitive with the 7870 though (http://www.pcper.com/reviews/Graphics-Cards/AMD-Never-Settle-1211-Beta-Driver-Performance-Testing)
post #10 of 32
Quote:
Originally Posted by specopsFI View Post

What clocks most 7950s ship out with is irrelevant to whether or not the 660Ti is about as fast as the 800MHz original reference 7950. One could say that quite a lot of the 660Ti's are clocked higher, too...
TPU's index is more informative than three run-of-the-mill review put together. [H] makes some really nice reviews too, but the games they test with are always too few to draw a general conclusion.
I think it's kind of funny that you say it's important to look at a number of reviews before coming to a final verdict and then you link just one review with just four games in it and then go on and only include three of those games to your post.

Keplers are clocked higher than stock 79XX cards.However Clock per Clock the 79XX cards are faster because higher transistor counts(7950 have 4.3 Billion Transistors, 660Ti have only 3.5 Billion Transistors), this is why you don't compare clock rates between different chips.


an old reference 7950 ships with stock 800/1250 clocks, the same card can hit 1100/1500 with no problem with a casual OC.

660 Ti stock clock is 915, but because Nividia's dynamic overclock(i.e factory pre-overclock) it will never run lower than 980(known as the Boost clock) in any benches, in fact due the phenomenon known as "Kepler Boost" it will run anywhere between 70-110 higher than that 980 Boost clock, so it will run at least a 1050 clock rate( a 15% factory overclock) on benchmarks.

However that masks how Kepler cards have limited OC ceiling due to being voltage locked, 670/680 voltage locked cards that can reach 1300Mhz are few and far between, even that's only a 24% OC from 1050

A 7950 on the other hand have much higher OC ceiling, 1100 on core is fairly common(just read the review and the 7950/7970 user forum here) and that's a 37.5% OC from 800.




On this graph 7950 with newest driver is only 1.4% faster than 660Ti at 1080p(at 1440p or 8XAA AMD's wide bus and higher Vram become significant), however that's with the 800 core clock, without any OC. However when you factoring in an average 7950(1100 core clock OC) can OC 13.5% more than a 660Ti(1300 core clock OC), the average OC performance clearly leans toward 7950.
Edited by sherlock - 11/15/12 at 10:56am
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