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Performance Increase 7870 Ghz over 560 Ti?

post #1 of 15
Thread Starter 
Hey everyone, I am thinking about upgrading the graphics on my Sig Rig. from my 560 Ti 1gb card to this version of the 7870. Would I see a sizeable gain in performance or should I save up the extra 40-50 bucks and go 7950 or save a bit more and just hit 7970? I am trying to keep the price down. Sub $400 but I just want to hear some opinions. (Honestly I really like the look/specs on this 7870 card) tongue.gif
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post #2 of 15
If you can buy 7950 just go for it. Awesome card. Dont even think about 560ti 1 gb.
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post #3 of 15
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post #4 of 15
7870 basically has GTX 580 performance (stock), it can OC quite well though and keep up with the 7950 once it gets into the 1200MHz+ range.
Given the recent price drops it's quite a good bang-4-the-buck, but if you can catch a really good sale on a 7950 go for it smile.gif

The 7970 can be had for under $400 as well, but if you're trying to keep costs to a minimum then I'd opt for less; any of the above are great for 1920x1080 gaming.
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post #5 of 15
Thread Starter 
Awesome, thanks for the replies guys! If I was to jump for 7950 I was eyeing this model, but I haven't heard much about it, but all the reviews on Newegg suggest that the cooler is exceptional and that these cards OC well. (Plus it's the newer 7950 model with Boost) thumb.gif
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post #6 of 15
Quote:
Originally Posted by Insan1tyOne View Post

Awesome, thanks for the replies guys! If I was to jump for 7950 I was eyeing this model, but I haven't heard much about it, but all the reviews on Newegg suggest that the cooler is exceptional and that these cards OC well. (Plus it's the newer 7950 model with Boost) thumb.gif

the HIS Iceq is one of the best coolers.

http://www.tomshardware.com/reviews/radeon-hd-7950-review-benchmark,3207-14.html

but you could also consider the Gigabyte Windforce HD 7950 and Sapphire HD 7950 950 Mhz edition . both have good coolers. and are selling for USD 310 after mail in rebate. good luck. thumb.gif

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102991
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post #7 of 15
Thread Starter 
Hmm, I think I'm leaning towards the Iceq model. It seems like a great choice, thanks for the other recommendations though! One last question: Will a 7950 be okay on my 550w PSU? My current system draw is around 370-410w. Does the 7950 draw more or less power at load than the 560 Ti? thinking.gif
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post #8 of 15
Quote:
Originally Posted by Insan1tyOne View Post

Hmm, I think I'm leaning towards the Iceq model. It seems like a great choice, thanks for the other recommendations though! One last question: Will a 7950 be okay on my 550w PSU? My current system draw is around 370-410w. Does the 7950 draw more or less power at load than the 560 Ti? thinking.gif

coolermaster extreme power plus 550w can supply 32A on the +12v according to spec. But in testing it was found to easily support 36A on +12v rail. so your PSU should be enough to drive a HD 7950.

http://www.hardwaresecrets.com/article/Cooler-Master-eXtreme-Power-Plus-550-W-Power-Supply-Review/969/7

the only thing you need to take care is not to push both the CPU and GPU with very high voltage. Bulldozer FX power consumption shoots up exponentially after 4.2 Ghz. Stick to 4 Ghz on the FX CPU with slight voltage tuning. Similarly the HD 7950 can easily run at 1.05 Ghz - 1.1 Ghz with very slight voltage tweaking. HD 7950 (1.1 Ghz) will match a HD 7970 Ghz (1.05 Ghz).

power consumption with a very power hungry core i7 PC is around 310w on HD 7950 OC.

http://www.guru3d.com/article/his-radeon-hd-7950-iceq-turbo-review/7

http://techreport.com/review/23419/nvidia-geforce-gtx-660-ti-graphics-card-reviewed/10

your PC will draw lesser with stock 6100 CPU as it is a 95w CPU . even with 4 Ghz FX 6100 and HD 7950 at 1.1 Ghz you should draw around 350w. Your PSU can easily provide around 430W on the +12v rail according to the tests.
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post #9 of 15
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

coolermaster extreme power plus 550w can supply 32A on the +12v according to spec. But in testing it was found to easily support 36A on +12v rail. so your PSU should be enough to drive a HD 7950.
http://www.hardwaresecrets.com/article/Cooler-Master-eXtreme-Power-Plus-550-W-Power-Supply-Review/969/7
the only thing you need to take care is not to push both the CPU and GPU with very high voltage. Bulldozer FX power consumption shoots up exponentially after 4.2 Ghz. Stick to 4 Ghz on the FX CPU with slight voltage tuning. Similarly the HD 7950 can easily run at 1.05 Ghz - 1.1 Ghz with very slight voltage tweaking. HD 7950 (1.1 Ghz) will match a HD 7970 Ghz (1.05 Ghz).
power consumption with a very power hungry core i7 PC is around 310w on HD 7950 OC.
http://www.guru3d.com/article/his-radeon-hd-7950-iceq-turbo-review/7
http://techreport.com/review/23419/nvidia-geforce-gtx-660-ti-graphics-card-reviewed/10
your PC will draw lesser with stock 6100 CPU as it is a 95w CPU . even with 4 Ghz FX 6100 and HD 7950 at 1.1 Ghz you should draw around 350w. Your PSU can easily provide around 430W on the +12v rail according to the tests.
Thanks, that's really good information to keep in mind! And yes, that's the next thing on my agenda actually. I was shooting for a 4 Ghz clock on my 6100, but I've had no success, YET. rolleyes.gif
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post #10 of 15
HD7850 is about equal to your GTX 560ti so dont get the HD7870 because the gains will be minimal.

Better save up for a 7950 / 7970
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