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New graphic card - help

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Anonymous
a b U Graphics card
July 25, 2012 3:57:01 PM

Hi guys,
I could use some help: I want to buy new graphic card and I can't decide whether to buy HD7970 OC (specifically http://www.agem.sk/produkt/sapphire-radeon-hd-7970-3gb-...) or to wait for GHz edition. Also should I consider thsi also http://www.agem.sk/produkt/asus-gtx680-dc2o-2gd5-182367... (Although I am AMD fan :) 
Thanks in advance

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a b U Graphics card
July 25, 2012 8:51:51 PM

GTX680 beats the hell out of the 7970. Benchmarks show that it is 30% better in performance than the 7970.
a b U Graphics card
July 25, 2012 9:15:34 PM

Personally, I would go for the 7970 GHz. Anything past the 7950/670 no longer gives you a noticeable performance increase for games, especially not for the price, but it feels awesome to have the very best of something instead of the second best. Since you are an AMD fan, go for the 7970 GHz.
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a c 87 U Graphics card
July 25, 2012 9:37:06 PM

Gate9er said:
GTX680 beats the hell out of the 7970. Benchmarks show that it is 30% better in performance than the 7970.


That's wrong. The 680 and the 7970 are very close right now. The 680 still wins in a few games at some settings, but 30% is quite the over-exaggeration. Heck, even with older drivers, the 7970 and the 680 were still fairly close. The 7970 GHz Edition was just a small clock frequency bump that with the current drivers, took the performance crown away from the 680. Tom's did a large article all about this recently.

The 670 can still stay ahead of the 7950 in most situations because unlike the 670 versus the 680, there is a noteworthy difference in stock performance between the 7950 and even the 7970 (non GHz Edition), but with overclocking, the 7950 easily pulls ahead of the 670 by a small margin (not noticeable in-game, but still a win with more precise benchmarks). However, the 680 does not beat the 7970 badly at all. The 7970 is to the 680 as the 670 is to the 680. Not a large difference.

If you raise the AA and/or the resolution, the Tahiti cards truly beat the GK104 cards pretty badly in many games and when pushed far enough, most to almost all games. This is because that unlike GK104, the Tahiti GPU is not memory bottle-necked thanks to its wider 384 bit GDDR5 bus that despite a somewhat lower frequency, still supplies much more memory bandwidth than the GK104's 256 bit GDDR5 bus.
a c 87 U Graphics card
July 25, 2012 9:39:15 PM

Chairman Ray said:
Personally, I would go for the 7970 GHz. Anything past the 7950/670 no longer gives you a noticeable performance increase for games, especially not for the price, but it feels awesome to have the very best of something instead of the second best. Since you are an AMD fan, go for the 7970 GHz.


Actually, going past the 670/7950 do have noticeable gains. The problem here is that the 680 and the 670 are nearly identical in performance and the 7950 and the 7970 are separated in performance almost purely by clock frequency, not high hardware differences, so with overclocking, the 7950 can match the 7970. The 7970 GHz edition has better binning and might be able to stay ahead, but probably not by much. So, to get an actual high increase in performance form this point, you must go multi-GPU right now or wait for faster single-GPU cards to be released.
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