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Which setup will win in terms of raw performance?

post #1 of 4
Thread Starter 
Which setup would win in terms of raw gaming performance?

2 x ATI Radeon HD 3870X2 dual-GPU graphics cards in quad-CrossFire (512MB of video memory per GPU = 2GB)

**OR**

1 x ATI Radeon HD 4870X2 dual-GPU graphics card (1GB of video memory per GPU = 2GB)
   
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AMD Phenom II X4 965 Black Edition 3.4GHz Quad-... MSI 970A-G46 CrossFire/SLI AM3/AM3+ ATX Motherb... Sapphire Radeon HD 7870 XT 2GB GDDR5 Graphics Card 4 x 2GB G.SKILL Ripjaws X-Series DDR3 1333MHz M... 
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2 x 120mm Thermaltake Blue LED Fan 2 x 90mm Thermaltake Blue LED Fan 90mm Thermaltake Fan Corsair TX-950 950W 80 PLUS Bronze Enthusiast P... 
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Thermaltake Armor VA8000B Series Full-ATX Tower NZXT 2mm Red LED Case Lights Kit 
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AMD Phenom II X4 965 Black Edition 3.4GHz Quad-... MSI 970A-G46 CrossFire/SLI AM3/AM3+ ATX Motherb... Sapphire Radeon HD 7870 XT 2GB GDDR5 Graphics Card 4 x 2GB G.SKILL Ripjaws X-Series DDR3 1333MHz M... 
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2 x 120mm Thermaltake Blue LED Fan 2 x 90mm Thermaltake Blue LED Fan 90mm Thermaltake Fan Corsair TX-950 950W 80 PLUS Bronze Enthusiast P... 
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Thermaltake Armor VA8000B Series Full-ATX Tower NZXT 2mm Red LED Case Lights Kit 
CPUGraphicsRAMHard Drive
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post #2 of 4

I don't know, but the memory capacity isn't added up because it's shared between the cards.  If it weren't shared, then the performance gain wouldn't be nearly as much.

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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

I don't know, but the memory capacity isn't added up because it's shared between the cards.  If it weren't shared, then the performance gain wouldn't be nearly as much.

Yeah, I realize that the memory isn't added up together like how I did it in that respect, but I just wrote that down so that people would understand that each GPU only has that much video memory. I realize that it's not combined.
   
CPUMotherboardGraphicsRAM
AMD Phenom II X4 965 Black Edition 3.4GHz Quad-... MSI 970A-G46 CrossFire/SLI AM3/AM3+ ATX Motherb... Sapphire Radeon HD 7870 XT 2GB GDDR5 Graphics Card 4 x 2GB G.SKILL Ripjaws X-Series DDR3 1333MHz M... 
Hard DriveHard DriveCoolingCooling
1TB Seagate Barracuda 7200RPM 3.5" Internal Har... 1TB Seagate GoFlex USB External Hard Drive Arctic Cooling Freezer XTREME Rev.2 Aftermarket... 200mm Thermaltake Fan 
CoolingCoolingCoolingPower
2 x 120mm Thermaltake Blue LED Fan 2 x 90mm Thermaltake Blue LED Fan 90mm Thermaltake Fan Corsair TX-950 950W 80 PLUS Bronze Enthusiast P... 
CaseOther
Thermaltake Armor VA8000B Series Full-ATX Tower NZXT 2mm Red LED Case Lights Kit 
CPUGraphicsRAMHard Drive
Intel Core i5-540M 2.53GHz Dual-Core Processor ATI/AMD Mobility Radeon HD 5850M 1GB GDDR5 Grap... 2 x 2GB DDR3 Memory Kit Toshiba 500GB 7200RPM Hard Drive 
  hide details  
Reply
   
CPUMotherboardGraphicsRAM
AMD Phenom II X4 965 Black Edition 3.4GHz Quad-... MSI 970A-G46 CrossFire/SLI AM3/AM3+ ATX Motherb... Sapphire Radeon HD 7870 XT 2GB GDDR5 Graphics Card 4 x 2GB G.SKILL Ripjaws X-Series DDR3 1333MHz M... 
Hard DriveHard DriveCoolingCooling
1TB Seagate Barracuda 7200RPM 3.5" Internal Har... 1TB Seagate GoFlex USB External Hard Drive Arctic Cooling Freezer XTREME Rev.2 Aftermarket... 200mm Thermaltake Fan 
CoolingCoolingCoolingPower
2 x 120mm Thermaltake Blue LED Fan 2 x 90mm Thermaltake Blue LED Fan 90mm Thermaltake Fan Corsair TX-950 950W 80 PLUS Bronze Enthusiast P... 
CaseOther
Thermaltake Armor VA8000B Series Full-ATX Tower NZXT 2mm Red LED Case Lights Kit 
CPUGraphicsRAMHard Drive
Intel Core i5-540M 2.53GHz Dual-Core Processor ATI/AMD Mobility Radeon HD 5850M 1GB GDDR5 Grap... 2 x 2GB DDR3 Memory Kit Toshiba 500GB 7200RPM Hard Drive 
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post #4 of 4
Quote:
Originally Posted by FIRINMYLAZERMAN View Post


Yeah, I realize that the memory isn't added up together like how I did it in that respect, but I just wrote that down so that people would understand that each GPU only has that much video memory. I realize that it's not combined.

 

Oh, ok cool.

It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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