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Time to upgrade from PNY gtx 480 - Page 2

post #11 of 17
Quote:
Originally Posted by RedFox911 View Post

I just realized the Radeon HD 7950 is pci express 3.0.. my Asus P7P55D PRO only has 2.0 slots.. then again im not sure, will this screw me over?

No, the card will just run at pcie 2.0
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post #12 of 17
This is a 470 vs. 7950. Bear in mind, the 470 isn't much slower than the 480.

http://www.anandtech.com/bench/Product/519?vs=550

Massive boost doesn't do it justice. In some games, you'll see your framerate double.

Also, power usage for the 7950 is WAYYYY lower.
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post #13 of 17
Quote:
Originally Posted by Mad Pistol View Post

This is a 470 vs. 7950. Bear in mind, the 470 isn't much slower than the 480.

http://www.anandtech.com/bench/Product/519?vs=550

Massive boost doesn't do it justice. In some games, you'll see your framerate double.

Also, power usage for the 7950 is WAYYYY lower.

This is very wrong. GTX 470 is much slower than a GTX 480.
25-35% is not a small difference.
Probably after OC yes the difference is not that much, but when the GTX 470 is running at a meager 600 MHz sure a 700 MHz GTX 480 will destory it.
It is like comparing the original HD7950 @ 800 to the HD7970 GHz Edition.

This is more accurate :-
GTX 570 = GTX 480 in performance
http://www.anandtech.com/bench/Product/518?vs=550

@ OP. currently best bang for the buck is HD7950. Just don't get the slow ones that run @ 800 MHz, try to find the ones that do run at 850/925 MHz (Boosted versions). Also avoid XFX HD7950 cards, because they are voltage locked at a very low voltage which will limit your cards overclockability.

GTX 570 ~ GTX 480 Vs. HD 7950 Boost
http://www.anandtech.com/bench/Product/518?vs=645

Also keep in mind those Anandtech benchmarks use old drivers. The 7950 gained significantly more performance with newer drivers.
Edited by HeadlessKnight - 2/5/13 at 5:09pm
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post #14 of 17
OP don't buy XFX HD 7950 . the DD cooler is not as good as the sapphire dual x or gigabyte windforce or his iceq.

amazon
Gigabyte HD 7950 - 300
http://www.amazon.com/dp/B007581QHG/

Sapphire HD 7950 boost - 300
http://www.amazon.com/Sapphire-Radeon-PCI-Express-Graphics-11196-16-20G/dp/B0098HW1HG/

newegg

HIS HD 7950 ICEQ boost - 290
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161420
http://www.hisdigital.com/un/product2-725.shtml

Gigabyte HD 7950 - 305
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414

gigabyte has 3 yr warranty while the other 2 brands have 2 year warranty. HIS card is 29.5 cm long. the sapphire card is 29cm long. the gigabyte card is 28.5 cm long. so pick the card which you like . make sure it fits in your case. the newer revisions of gigabyte HD 7950 come with FZ1 BIOS and 1 ghz boost clocks. they are also voltage locked. so if you want unlocked voltage HIS and Sapphire are the options.

as for performance improvement a HD 7950 boost would be 40% faster than GTX 480

http://www.techpowerup.com/reviews/HIS/HD_7950_X2_Boost/28.html

1920 x 1200
GTX 570 - 72
GTX 580 - 80
HD 7950 iceq x2 boost - 100 (72 x 1.4 = 100.8)
GTX 670 - 101
HD 7970 Ghz - 115

GTX 480 is on par with GTX 570. so a 40% improvement at stock. but with overclocking that gap will increase to 45 - 50%. HD 7950 at 1100 mhz can easily match HD 7970 Ghz . a overclocked GTX 480 at around 800 - 825 mhz would match a GTX 580. if you get an above average overclocker HD 7950 at 1200 mhz you are looking at 50+% improvement over a 800 mhz gtx 480.
Edited by raghu78 - 2/5/13 at 8:42pm
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post #15 of 17
Thread Starter 
Great info, love this community.

I think ill go with http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414

My main question still is, because my MOBO doesn't support pci 3.0 and only 2.0 how much will this effect my performance?
post #16 of 17
Quote:
Originally Posted by RedFox911 View Post

Great info, love this community.

I think ill go with http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414

My main question still is, because my MOBO doesn't support pci 3.0 and only 2.0 how much will this effect my performance?
Less than 5% with a single card.

http://www.hardocp.com/article/2012/07/18/pci_express_20_vs_30_gpu_gaming_performance_review/13

It is a bit more pronounced with multi-gpu setups.
post #17 of 17
Thread Starter 
I will soon be a proud new owner of a gigabyte 7950
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