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6970 trifire or wait and upgrade

post #1 of 5
Thread Starter 
Already running 2x powercolor 6970 pcs+

Can pick up another one for 1-150$ and go trifire.

currently got both blocks underwater and got offered the same 3rd card with also a waterblock so cooling shouldnt be a issue

Is it worth it or should I keep running the cf 6970 until I can get something better later
    
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Intel i5 2500K - EK Watercooled Asus Maximus V Extreme - EK Watercooled Powercolor 6970 PBS+ - EK Watercooled Powercolor 6970 PBS+ - EK Watercooled 
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4x 4GB Corsair Vengeance - EK Watercooled Crucial M4  Seagate Barracuda STBD2000101 Windows 7 x64 
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post #2 of 5
Games and resolution would be helpful
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FX Klasse
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AMD FX 8350 SABERTOOTH 990FX R2.0 MSI R9 290X Lightning MSI R9 290X Lightning 
RAMRAMRAMHard Drive
Corsair  Corsair  g.skill sniper gaming series 16gb 2400mhz ddr3 WD 1 TB  
Hard DriveHard DriveHard DriveHard Drive
WD 320 GB OCZ vertex 3 64GB Samsung 840 Pro 128GB Seagate 250 GB  
Hard DriveOptical DriveCoolingOS
Crucial MX300 525 GB Samsung SH-S223L Cooler Master Glacer 240l Windows 8.1 Pro N 64 bit 
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Windows 10 Pro 64 bit AOC 2462w Lenovo L2261wA Razer Lycosa 
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Altec Lansing ADA 995 
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post #3 of 5
crossfire... ::shivers at the stuttering::
post #4 of 5
OP sell the HD 6970 with waterblock for $140 - $150 each and spend another 100 bucks to grab a ASUS R9 280X DCII TOP. the HD 6970 cards are poor at DX11 games where the HD 7970 / R9 280X hammer the older HD 6970 cards . CF scaling can be inconsistent. the CF frametimes are also a problem when compared with a single GPU.

http://www.pccasegear.com/index.php?main_page=product_info&products_id=25324&cPath=877

http://www.sweclockers.com/artikel/17810-prestandaanalys-battlefield-4/3#pagehead

the R9 280X (1 ghz) is 110% faster than HD 6970 in BF4 ultra 4x AA. the asus r9 280x is clocked at 1070 mhz. should be even faster. with overclocking that gap will widen. tri CF HD 6970 is a bad idea.
Edited by raghu78 - 11/20/13 at 8:20am
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post #5 of 5
Dual crossfire is already pretty jittery/stuttery, and triple crossfire is a straight up nightmare. Frame Pacing doesn't really work with 3 cards and the scaling is sometimes really bad too (like 3 cards is sometimes only barely faster than 2 cards, and that's just considering FRAPS and ignoring all the frame time variance.) I tried crossfiring AFTER the frame pacing drivers were released and it was so frustrating I sold both and went for a single R9 290X. I would always recommend going with the fastest single card set up. I would either sell your current cards and get a 280X or wait for 20nm cards and upgrade then.
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