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gigabyte GTX 670 vs Sapphire 7970 dual-X

post #1 of 24
Thread Starter 
Used gigabyte gtx 670 $360 and used sapphire 7970 dual-x $390

which one should i get for my 2560x1440 monitor ?

update: update: amazon is selling used - like new gigabyte 7970 OC with windforce cooler and "very good" Asus 7970 direct CU @ $409

is windforce better than dual-x?
Edited by sterob - 8/8/12 at 2:40am
post #2 of 24
I haven't had a 670, but I have had both a 7970 and a 580 extremely recently (the 7970 was sitting in my rig last week, now replaced by the 580). For me, nvidia cards are now always a best bet because they don't have as stubborn drivers to uninstall, and their drivers and control panel just seem to work better in general. This is all just my experience, of course.
I do also think that the 670 generally edges out the 7970s in performance, and even more so when over clocked (though of course one might argue this is a null point because the 7970 can be overclocked quite well as well).

I would go with the 670, this is of course that it is a 3gb card which you will definitely need at higher resolutions.

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post #3 of 24
Thread Starter 
well i have the same thought. Nvidia is known for their driver optimisation with gamming but 670 only have 2gb ram while 7970 got 3gb .
post #4 of 24
Would consider the 670 especially at that price, although if it's BF3 for Ultra @ that res and that's you're main title I would consider the 7970.
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post #5 of 24
7970 no doubt. Even if you were comparing a 680 and a 7970 I'd still go for the 7970. Higher performance, more ram, more future proof, does better at graphically intensive games like metro 2033, crysis, crysis warhead, Witcher 2, Dirt 3, etc. Considering you are going high resolution, that should seal the deal.
post #6 of 24
HD 7950 is 3 - 5% slower than HD 7970 at same clocks. so is the GTX 670 wrt GTX 680.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102991

Sapphire HD 7950 with 950 Mhz out of the box speeds. even at stock this card will perform like a HD 7970 (925). uses a quality HD 7970 PCB. nice DUAL BIOS feature for aggressive overclocking. easily overclocks to 1150 Mhz. here is a user with the same card running at 1150 Mhz who has posted few benchmark scores

http://www.overclock.net/t/1196856/official-amd-radeon-hd-7950-7970-owners-thread/13790#post_17796906

Price USD 350. When you can get a new card for lesser price with same performance I think thats the best option. For 1440p the HD 7900 cards pull ahead of the GTX 600 cards especially if you are overclocking.
Edited by raghu78 - 8/6/12 at 9:24pm
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post #7 of 24
Between these two and considering your resolution, I would go with the 7970. I had the Sapphire 7970 and the performance is top notch but coil whine pretty much killed it not too mention poor overclock-ability despite what some users are able to achieve with this card here on OCN. The issue of coil whine seems to run rampant with Sapphire cards especially. Other cards have it too but it doesn't seem to be as common as it is with Sapphire high end cards. At the end of the day, you are going to be satisfied with either if you can live with coil whine tongue.gif

Raghu78 - Why in the blue hell are you recommending a $360 7950 when the OP can have two superior cards for the same price and for $30 more (7970)? Man, stop your 7950 touting... My god... You're making the 7950 out to be some kind of golden card that smashes all other high end cards. You understand that the 670 and 7970 can be overclocked too? Why pay for a card that you have to overclock only to match the performance of similarly priced cards? That particular Sapphire 7950 runs at +19% over its reference core clock. Apply that 19% overclock to both the 7970 (1100MHz) and 670(1175MHz) and regardless of Kepler scaling, the hierarchy remains the same 7970 > 670 > 7950...

http://hardocp.com/article/2012/05/14/geforce_680_670_vs_radeon_7970_7950_gaming_perf/3

Performance comparison of highest stable frequencies of 670, 680, 7950, 7970
post #8 of 24
dont worry about driver problems with ATI, only idiots get driver problems.

I have never had driver problems in the past 20 years with either ATI or Nvidia (well except for the onboard geforce6100)
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post #9 of 24
I had xfire 7970s they performed like a beast, 1200 on the core and 1600 on the mem with a minor volt tweak. I since have dismantled my loop and want a single card, i got a really good deal on a 680FTW+ and couldn't turn it down, so i went that route.

I like the ease and usability of the nvidia drivers, although i had no problems with my 7970s i hated the catalyst control panel and the ati layout for getting newer drivers, despite all of that my 7970s were awesome, you cant really go wrong either way.
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post #10 of 24
Quote:
Originally Posted by Bruennis View Post

Man, stop your 7950 touting... My god... You're making the 7950 out to be some kind of golden card that smashes all other high end cards. You understand that the 670 and 7970 can be overclocked too? Why pay for a card that you have to overclock only to match the performance of similarly priced cards? That particular Sapphire 7950 runs at +19% over its reference core clock. Apply that 19% overclock to both the 7970 (1100MHz) and 670(1175MHz) and regardless of Kepler scaling, the hierarchy remains the same 7970 > 670 > 7950...

http://hardocp.com/article/2012/05/14/geforce_680_670_vs_radeon_7970_7950_gaming_perf/3
Performance comparison of highest stable frequencies of 670, 680, 7950, 7970

So you pick a review of a ref HD 7950 (800 Mhz) card and which does not overclock well to prove a point. You completely ignore the concept of binning. the Sapphire HD 7950 I mentioned is binned to run at 950 Mhz speeds out of the box and has good overclocking headroom.

here is a HD 7950 OC (900 Mhz) review
http://www.hardocp.com/article/2012/03/01/xfx_radeon_hd_7950_black_edition_video_card_review/8

BF3 Ultra 2560 x 1600 2x MSAA

HD 7970 (925) - avg 44.3
HD 7950 (900) - avg 42.8

You can talk down the HD 7950 OC how much ever you want. But does not change the fact that it has the best price perf. And the OP doesn't need to go for a used card in this case. let the OP decide.
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