AMD Radeon Sapphire 7870 XT x2 Crossfire Benchmarks

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Aahzap

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Aug 4, 2013
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Hi,

I would like to know If anyone has 2x AMD Radeon Sapphire 7870 XT Crossfire setup

If so What sort of improvements over 1 card? and compared to day a single gpu worth $500 (as in cost of 2 7870 xts)

Also What about over clocking while in crossfire and results and benchmarks for each set up

My current set up is
CPU - AMD Phenom II x6 1050T (with turbo to 3.2 ghz)
MB - Asus M4A89td pro/usb pci 2.0 witch crossfire support
Ram - pqi 1333 - 2 x 4 = 8gig
And GPU was 5770, now 7870 xt thinking of crossfire (hence the question)

Run a samsung 27inch 1080p @ 60hz Samsung UA27D5000 Series 5 27"
 
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S
Hi i have two vtx 7870xt in xfire and you get near another 100%fps boost to most games ,out of the box they run at 925mhz(975 with on board boost)but i run them at 1100mhz/1500mhz memory
I am very happy with them, they seem to have the same proformance as a r290x or 780ti or not far off
the only bad points is that the top card runs 10c hotter so my max temp is 85c for my top card while gaming(might want to grab a card with dual fans for top card )
I think these chips have 120c max temp before shutdown.
you will need a 750watt powersupply because the max draw from my system was around 600watts
but most power supplys are only rated 80+
Also the fan noise once they go past 50% on a single fan solution ,can get loud it might turn you...
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Maygentria

Maygentria

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Aug 4, 2013
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Now is actually a pretty bad time to buy an AMD GPU, as we have the 9000 series in October.
Wait until they release the next generation before buying anything, I'm sure they'll have benchmarks for the 7870XT crossfire setup by then.
 
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A

Aahzap

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Aug 4, 2013
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As in prices will drop on old 7800 series??
I can get one for around 230 possibly cheaper on ebay etc.

just wanna know if i will get close to a $500 card performance. Like a 7970
 
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Maygentria

Maygentria

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Aug 4, 2013
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Well seeing as you already have one, go for the second 7870XT if you really want the performance boost.

The 7000 series may see a small price drop when the new generation rolls in, but don't expect anything huge.
 
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A

Aahzap

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Aug 4, 2013
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Yeh I'm asking what the performance 'boost' will be? As in bench mark scores and minimu/average/max fps in games like cysis 3, far cry 3, bat man, bf3 etc. 1080 res with ultra settings.

Or should i just keep the single card and wait till i upgrade my whole pc
 
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seanmcn

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Nov 8, 2013
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Hi i have two vtx 7870xt in xfire and you get near another 100%fps boost to most games ,out of the box they run at 925mhz(975 with on board boost)but i run them at 1100mhz/1500mhz memory
I am very happy with them, they seem to have the same proformance as a r290x or 780ti or not far off
the only bad points is that the top card runs 10c hotter so my max temp is 85c for my top card while gaming(might want to grab a card with dual fans for top card )
I think these chips have 120c max temp before shutdown.
you will need a 750watt powersupply because the max draw from my system was around 600watts
but most power supplys are only rated 80+
Also the fan noise once they go past 50% on a single fan solution ,can get loud it might turn you into a headphone user xD
i run a i5 2500k@4.2 ,8gb ddr3 mem@1600mhz on x64 win7

really bf3 i get 100fps to 130max but i only run at 1080p on 60ghz monitor so it can;t even display those frames
crysis 3 is min 35 and max 55-60 everything maxedout
 
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james phelan

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Mar 30, 2013
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