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Running two different GPUs.

post #1 of 7
Thread Starter 
So I'm looking to upgrade my GTX 780 Classified to a 1070. However my Classy is tied into a full watercooling loop, I don't want to drain it all out just to fit the 1070 as I don't plan to immediately put a block on it, (I can't stomach dropping ~£560 on an impulse purchase all in one go!)

So my question is, can I disable the 780 in my BIOS, leave it in the loop and plugged into a PCI-E slot and run the 1070 as my main card in another PCI-E until I get a block and sort my loop out?
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4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. MSI GeForce GTX 1070 @ 2030MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  XSPC D5 Dual Bay Reservoir/Pump Combo V2. Alphacool NexXxoS XT45 360mm & UT60 240mm. 
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2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. Corsair AX860. 
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Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. Schiit BiFrost Multibit.  
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post #2 of 7
Yep, if it's disabled in BIOS then your 1070 will become default and the Nvidia drivers probably wont even see it. I've done the same before.
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Samsung 950 Pro Custom WC loop 480mm & 560mm Windows 10 ROG SWIFT 
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CM Quickfire TK Greens Corsair RM1000w Custom 3d-printed case Steelseries Rival 
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CSGO Steelseries Creative Aurvana Live! 2 
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Amd FX 8320 Asus sabertooth 990FX Nvidia GTX 760 4GB g.skill ares 12GB 
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post #3 of 7
Since you have both cards - run them both! DX12 should give you a healthy boost (in the future). You may not need it - but excess is why we're here biggrin.gif

EDIT: I forgot, DX12 support will be important for this. It does seem to support DX12.0, but not beyond that. I'm curious to know if this can be done.
Edited by Ziplocbox - 8/22/16 at 2:41pm
post #4 of 7
Thread Starter 
Quote:
Originally Posted by Legonut View Post

Yep, if it's disabled in BIOS then your 1070 will become default and the Nvidia drivers probably wont even see it. I've done the same before.

Thanks Legonut, I was pretty sure it could be done, just needed some confirmation! thumb.gif
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250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  XSPC D5 Dual Bay Reservoir/Pump Combo V2. Alphacool NexXxoS XT45 360mm & UT60 240mm. 
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4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. MSI GeForce GTX 1070 @ 2030MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  XSPC D5 Dual Bay Reservoir/Pump Combo V2. Alphacool NexXxoS XT45 360mm & UT60 240mm. 
MonitorMonitorKeyboardPower
2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. Corsair AX860. 
CaseMouseMouse PadAudio
Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. Schiit BiFrost Multibit.  
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post #5 of 7
Maybe you could configure the 780 to work only with cuda, while using the 1070 as the main card.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by luisxd View Post

Maybe you could configure the 780 to work only with cuda, while using the 1070 as the main card.

I'm going to sell her to fund the purchase of the 1070, I'm only running at 1200p, the 1070 should tick along nicely on it's own at that resolution. smile.gif
Unstable Machine
(22 items)
 
  
CPUMotherboardGraphicsRAM
4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. MSI GeForce GTX 1070 @ 2030MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  XSPC D5 Dual Bay Reservoir/Pump Combo V2. Alphacool NexXxoS XT45 360mm & UT60 240mm. 
MonitorMonitorKeyboardPower
2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. Corsair AX860. 
CaseMouseMouse PadAudio
Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. Schiit BiFrost Multibit.  
AudioAudioAudioAudio
HiFiMAN HE-1000 Headphones. Trilogy Audio 931 iFi iUSB 3.0 iFi iPower USB filter 
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Unstable Machine
(22 items)
 
  
CPUMotherboardGraphicsRAM
4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. MSI GeForce GTX 1070 @ 2030MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  XSPC D5 Dual Bay Reservoir/Pump Combo V2. Alphacool NexXxoS XT45 360mm & UT60 240mm. 
MonitorMonitorKeyboardPower
2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. Corsair AX860. 
CaseMouseMouse PadAudio
Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. Schiit BiFrost Multibit.  
AudioAudioAudioAudio
HiFiMAN HE-1000 Headphones. Trilogy Audio 931 iFi iUSB 3.0 iFi iPower USB filter 
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post #7 of 7
780 as physix card would be great.
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