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How to improve my build? See inside.

post #1 of 6
Thread Starter 
Hello again!

I had some questions that I'm hoping you guys would help me be able to answer. I have a single Gigabyte 6870 in my system right now and some time in the future, I'd like to upgrade that to a 7970. However I'm wondering if it would be the better option to simply buy another 6870 and run them both in Crossfire. Also, this would take up a PCI-E slot which I'm already currently using for a Asus Xonar DX sound card (but I have a home theatre system; my receiver is connected via HDMI to my videocard) so if I go that route, I'd probably end up selling the audio card or roll that into another build. What would you do in my situation? Sell my current 6870 and just buy a 7xxx card or buy another 6870 and Crossfire them?

Also, I'm thinking about buying a Catleap Q270 monitor which has gotten a lot of attention in the Monitors and Displays subforum - I'm already running two monitors so I'm concerned that my single 6870 won't be enough to power all three especially with the Catleap running at that resolution (2560x1440). Selling the oldest monitor in its place could be an option. And then I also have to wonder whether or not I'm going to need to upgrade my PSU if I do go this route (650W to 750W?).

So basically, I'm wondering what OCN's thoughts are. Ditch the 6870 to buy a 7xxx series card, or Crossfire a pair of 6870s? I doubt my current setup will be enough to power three monitors, so would you upgrade my PSU? I'm looking for your opinions.

Thanks again!
Edited by Qubits - 4/1/12 at 3:21pm
The Quadfather
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CPUMotherboardGraphicsRAM
Core i5-2500k @ 4.6 GHz / 1.360V; batch# L101B255 Gigabyte P67-UD4-B3 Gigabyte Radeon 7950 3GB Windforce G.SKILL Ripjaws Series 8GB DDR3 (x2) 
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Samsung 830 series 128GB SSD, 2x WD 1TB HDDs, 1... ASUS DRW-24B1ST Noctua NH-D14 Windows 7 Home Premium x64 
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Samsung 24" P2450H, Samsung 24" 2493HM, Achieva... Ducky Shine Corsair 850W AX modular PSU HAF 932 
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The Quadfather
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-2500k @ 4.6 GHz / 1.360V; batch# L101B255 Gigabyte P67-UD4-B3 Gigabyte Radeon 7950 3GB Windforce G.SKILL Ripjaws Series 8GB DDR3 (x2) 
Hard DriveOptical DriveCoolingOS
Samsung 830 series 128GB SSD, 2x WD 1TB HDDs, 1... ASUS DRW-24B1ST Noctua NH-D14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
Samsung 24" P2450H, Samsung 24" 2493HM, Achieva... Ducky Shine Corsair 850W AX modular PSU HAF 932 
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post #2 of 6
Get the GTX 680, it's proven to be a bit faster if not equal to the 7970 and is cheaper, consumes less power and is quieter.
I wouldn't get CF 6870 because it uses more power, is louder and you wouldn't have enough vram if you upgraded monitors.
My Rig
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i5 2500k @ 4.8 GHZ 1.33v  ASUS P8P67 PRO 3.0 Sapphire AMD Radeon HD 7950 1000/1575 1.149v 12 GB Kingston DDR3 1600 MHZ 
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Windows 7 Professional 64 bit IPS Dell Ultrasharp U2412M 24" Logitech G110 Corsair AX1200  
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My Rig
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i5 2500k @ 4.8 GHZ 1.33v  ASUS P8P67 PRO 3.0 Sapphire AMD Radeon HD 7950 1000/1575 1.149v 12 GB Kingston DDR3 1600 MHZ 
Hard DriveHard DriveOptical DriveCooling
Kingston 96GB SSD  Caviar Green 1TB storage  Plextor PX-L890 SA 24x DVD-RW Noctua NH-D14 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit IPS Dell Ultrasharp U2412M 24" Logitech G110 Corsair AX1200  
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Cooler Master HAF X Razer Deathadder Razer Goliathus Asus Xonar DG 
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JVC HA-RX900  
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post #3 of 6
You need more vram when pushing multiple monitors. I speak from experience and lots of reading. I have 2gb vram running crossfired 6950's and I am somewhat happy but not completely satisfied. Go with crossfired 7950's!(or spend the extra money on 7970's if you want) thumb.gif
    
CPUMotherboardGraphicsGraphics
i7 930@4.2GHz 1.3v Asus Rampage III Formula Sapphire Radeon 7950 OC - 1000MHz/1500MHz MSI Radeon 7950 Twin Frozr III OC - 1000MHz/150... 
RAMHard DriveHard DriveOptical Drive
G.Skill 24GB DDR3 1600Mhz OCZ Vertex 4 128GB SSD - Primary Seagate 1TB HDD - Storage LG Blu-Ray 6X Writer 
CoolingCoolingOSMonitor
Thermaltake Contac 30 w/ 2x Cooler Master Fans BitFenix Recon Fan Controller Windows 7 Pro 64bit ASUS PB278Q - 1440p 
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CPUMotherboardGraphicsGraphics
i7 930@4.2GHz 1.3v Asus Rampage III Formula Sapphire Radeon 7950 OC - 1000MHz/1500MHz MSI Radeon 7950 Twin Frozr III OC - 1000MHz/150... 
RAMHard DriveHard DriveOptical Drive
G.Skill 24GB DDR3 1600Mhz OCZ Vertex 4 128GB SSD - Primary Seagate 1TB HDD - Storage LG Blu-Ray 6X Writer 
CoolingCoolingOSMonitor
Thermaltake Contac 30 w/ 2x Cooler Master Fans BitFenix Recon Fan Controller Windows 7 Pro 64bit ASUS PB278Q - 1440p 
KeyboardPowerCaseMouse
Logitech G510 OCZ ZX1000 Corsair 600T SE Cyborg Rat 7 Contagion Edition 
Mouse PadAudio
Razer Sphex Sound Blaster X-Fi Titanium w/ Logitech Z-5500 
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post #4 of 6
always a single card over CF get a GTx 680 or a 7970
GTX 680 if you are having a dual monitor setup and
7970 if you think of adding 3rd monitor and setting up a tri monitor setup thumb.gif
post #5 of 6
If you really want another card, listen to the people above and get a 680.

However, wait until non reference models come out with more VRM's/better power supply system. A 4 phase power system just doesnt cut it.
post #6 of 6
If you want to improve your rig get rid of everything amd thumb.gif go nvidia 580 or 680
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