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[H] 660 Ti OC vs. 670 OC vs. 7950 OC - Page 15

post #141 of 363
Quote:
Originally Posted by TheBlindDeafMute View Post

These tests never seem to be fair against the 670 cards. When the other cards have more VRAM, such as 660-3gb, amd-3gb, and 670-2gb. I say use the 4 gb 670, and put on a mild overclock. The lower VRAM nvidia cards never seem to perform as well as the higher ones.
But maybe I'm just biased....biggrin.gif

At single monitors it won't make a difference, 4 GB cards are for surround and highly modded games. The problem is the memory OC is low on that 670.
Too bad they didn't compare HD7970 overclocked. That will make alot of HD7970 owners cry about their cards since they're only 2-5% clock-for-clock faster than HD7950 biggrin.gif.
HD7950 is the beast of current generation cards.
But IMO GTX 670/680 & HD7950/HD7970 all those cards perform pretty close at single monitor resolutions, just pick what you want and be happy.



Sapphire HD 7970 Vapor-X @ 1193/1605
XFX HD7970 GHz Edition @ 1150/1575
XFX HD7950 DD @ 1150/1614

BF3 1920x1080


The XFX 7970 and 7950 both are clocked at the same core clock of 1150. And the HD7970 is only 3% better

BF3 5760x1080


The XFX 7970 is only 4.8% better than XFX 7950 CFC.

Batman 1920x1080


XFX 7970 is 2.6% faster than the same clocked HD 7950.

Batman 5760x1080


Again HD7970 is only 4.3% faster than the HD7950.

Source :-
http://www.overclockersclub.com/reviews/sapphire_hd7970_vaporx_ghz/4.htm
Edited by HeadlessKnight - 9/5/12 at 8:35pm
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post #142 of 363
7950 is priced as a 660 Ti but matches a 670 in performance. That's a win for AMD this round.
post #143 of 363
Quote:
Originally Posted by HeadlessKnight View Post

At single monitors it won't make a difference, 4 GB cards are for surround and highly modded games. The problem is the memory OC is low on that 670.
Too bad they didn't compare HD7970 overclocked. That will make alot of HD7970 owners cry about their cards since they're only 2-5% clock-for-clock faster than HD7950 biggrin.gif.
HD7950 is the beast of current generation cards.
But IMO GTX 670/680 & HD7950/HD7970 all those cards perform pretty close at single monitor resolutions, just pick what you want and be happy.
Sapphire HD 7970 Vapor-X @ 1193/1605
XFX HD7970 GHz Edition @ 1150/1575
XFX HD7950 DD @ 1150/1614
BF3 1920x1080

The XFX 7970 and 7950 both are clocked at the same core clock of 1150. And the HD7970 is only 3% better
BF3 5760x1080

The XFX 7970 is only 4.8% better than XFX 7950 CFC.
Batman 1920x1080

XFX 7970 is 2.6% faster than the same clocked HD 7950.
Batman 5760x1080

Again HD7970 is only 4.3% faster than the HD7950.
Source :-
http://www.overclockersclub.com/reviews/sapphire_hd7970_vaporx_ghz/4.htm
7970s can be more aggresively overclocked and so comparing clock for clock is a pointless argument. It is pretty common seeing some users run 1200+ MHz on the core here on OCN while 7950s commonly reach 1150MHz on the core. 7950 is a great card but it is no 7970. I'm sure if money were no object, most 7950 owners would have aimed for the 7970.
post #144 of 363
Quote:
Originally Posted by Bruennis View Post

7970s can be more aggresively overclocked and so comparing clock for clock is a pointless argument. It is pretty common seeing some users run 1200+ MHz on the core here on OCN while 7950s commonly reach 1150MHz on the core. 7950 is a great card but it is no 7970. I'm sure if money were no object, most 7950 owners would have aimed for the 7970.

Alot of people with HD7950s reach 1.200 MHz as well. I've seen a couple 1.300 MHz HD7950s those will easily beat the 1.200 MHz HD7970s.
Or will come really really close. maybe 1% apart from each others.
HardOCP almost did 1.200 MHz on their HD7950 and with an aggressive memory overclock of 1.700 MHz.
Edited by HeadlessKnight - 9/5/12 at 8:46pm
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post #145 of 363
Quote:
Originally Posted by Majin SSJ Eric View Post

The 7950 is the best card for the money provided you are lucky and have no driver issues (12.8 is flawless for me so far). For set and forget it functionality the 660Ti is fine (at single monitor gaming) though I'd go 680 Lightnings if I traded in my 7970's...

you would buy a 7770 if they made a Lightning version!! tongue.gif
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post #146 of 363
7950s at 1200+MHz is less common than 7970s at 1200+MHz and is probably as common as 7970s running at 1300+MHz on air which isn't very common at all. Put both under water and it is no contest. I would imagine a 1200+ 7950 would most likely be under water and well over or matching the cost of a 7970 that can do 1200+ on air. 7950 has its place but I repeat, it is no 7970.
Edited by Bruennis - 9/5/12 at 8:52pm
post #147 of 363
Quote:
Originally Posted by amtbr View Post

Not that I am in the market, but what makes me slightly skeptical of the results is that overclocking isn't guaranteed on any card. It would be great to see some kind of average overclock of all the cards pitted against each other, much more involved I know, but would provide a better look at how realistic those clocks actually are.
It's obvious a 7950 is a definite buy over the GTX 660...But why is the GTX 670 so expensive? Same for the GTX 660? If Nvidia wants to be competitive they should drop the GTX 660 to $275, GTX 670 to $325 thumb.gif
post #148 of 363
Quote:
Originally Posted by Bruennis View Post

7950s at 1200+MHz is less common than 7970s at 1200+MHz and is probably as common as 7970s running at 1300+MHz on air which isn't very common at all. Put both under water and it is no contest. 7950 has its place but I repeat, it is no 7970.

1- Not everybody is gonna watercool their cards, I've seen couples of watercooled HD7950 across the forums that hit 1250+ or 1300+ just like its sibling the HD7970 , thats about the threshold of Tahiti on watercooling or aircooling.
2- Talking about how commonly each card do 1200 is not the point of my post above, it require a good HD7970 to do 1.2 GHz as well as an HD7950.
3- The point is the HD7950 is very competitive to the HD7970 once both are overclocked. If today I would choose between the two cards, even If I can afford the HD7970 I will get the 7950 since it is cheaper and give me 96% of HD7970 performance.
4- 7950 is a 7950. 7970 is a 7970. so sure a 7950 is no 7970 tongue.gif .
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post #149 of 363
Quote:
you would buy a 7770 if they made a Lightning version!!

Might be a joke from your side,but i was mighty surprise how a OC Giga-byte version of 7770 was handling games at 1080 p. thumb.gif
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post #150 of 363
Quote:
Originally Posted by HeadlessKnight View Post

1- Not everybody is gonna watercool their cards, I've seen couples of watercooled HD7950 across the forums that hit 1250+ or 1300+ just like its sibling the HD7970 , thats about the threshold of Tahiti on watercooling or aircooling.
2- Talking about how commonly each card do 1200 is not the point of my post above, it require a good HD7970 to do 1.2 GHz as well as an HD7950.
3- The point is the HD7950 is very competitive to the HD7970 once both are overclocked. If today I would choose between the two cards, even If I can afford the HD7970 I will get the 7950 since it is cheaper and give me 96% of HD7970 performance.
4- 7950 is a 7950. 7970 is a 7970. so sure a 7950 is no 7970 tongue.gif .
1 - Watercooled 7950s will already have cost as much if not more than its bigger brother which is capable of doing 1250+MHz on a good cooler like the Windforce cooler I have on my Gigabyte 7970. A vast majority of 7970s will reach this speed much more commonly than 7950s. And so if your goal is to reach the Tahiti maximum, a 7970 will be your best bet. Of course a golden 7950 will be able to achieve the same clocks.
2-Thus that is why you pay more for the 7970 which typically come from the factory with higher clocks. Fastest factory 7950 comes with a 950 core and the fastest 7970 comes with a 1100 core. Point is, your chances of reaching 1.2+GHz is higher with a 7970.
3-If money were no object, I'm sure the vast majority of people would go with the 7970. A card that offers close to 15% more performance if stock performance is all that you care about and can be overclocked much more aggressively giving users the best chance of reaching 1.2-1.3GHz; the supposed Tahiti maximum.
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