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#3617591 - 07/31/12 08:45 PM Some AMD 7990 Info  
Joined: Nov 2004
Posts: 17,632
SkateZilla Offline
Skate Zilla Graphics
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Posts: 17,632
Virginia Beach, VA


HAF922, Corsair RM850, ASRock Fata1ity 990FX Pro,
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2x R7970 Lightnings, +1 HD7950 @ 1.1/6.0GHz, Creative XFi Fata1ity Platinum Champ.,
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Inline advert (2nd and 3rd post)

#3617595 - 07/31/12 08:57 PM Re: Some AMD 7990 Info [Re: SkateZilla]  
Joined: Feb 2007
Posts: 8,677
kludger Offline
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kludger  Offline
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Joined: Feb 2007
Posts: 8,677
SE Pennsylvania, USA
"four 6-pin PCIe" power connectors, these dual-gpu on one card cards are looking more like SLI/Xfire all the time... pretty soon they will need two PCIe X16 slots too biggrin


i7-7700k@4.5ghz, GTX1080Ti,BenQ XL2420G-g-sync,Oculus Rift
#3617834 - 08/01/12 04:48 AM Re: Some AMD 7990 Info [Re: SkateZilla]  
Joined: Nov 2004
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SkateZilla Offline
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Joined: Nov 2004
Posts: 17,632
Virginia Beach, VA
nope, there's alot of headroom in PCIe 3.0 x16 Slots, they COULD have 3 GPUs and be ok,

4x 6-Pins is better than 3x8 Pins. Each GPU has its Own Dual 6 Pin Connector... Enables separate power control.


HAF922, Corsair RM850, ASRock Fata1ity 990FX Pro,
Modified Corsair H100, AMD FX8350 @ 5.31GHz, 16GB G.SKILL@DDR2133,
2x R7970 Lightnings, +1 HD7950 @ 1.1/6.0GHz, Creative XFi Fata1ity Platinum Champ.,
3x ASUS VS248HP + Hanns�G HZ201HPB + Acer AL2002 (5760x1080+1600x900+1680x1050), Oculus Rift CV
CH Fighterstick, Pro Throt., Pro Pedals, TM Warthog & MFDs, Fanatec CSR Wheel/Shifter, Elite Pedals
Intensity Pro 10-Bit, TrackIR 4 Pro, WD Black 1.5TB, WD Black 640GB, Samsung 850 500GB, My Book 4TB
#3620885 - 08/05/12 11:06 PM Re: Some AMD 7990 Info [Re: SkateZilla]  
Joined: Jun 2008
Posts: 20
Cadmium77 Offline
Junior Member
Cadmium77  Offline
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Joined: Jun 2008
Posts: 20
Stand by, there's a 12 gb version in the works by Christmas I hear.

#3620918 - 08/06/12 12:22 AM Re: Some AMD 7990 Info [Re: SkateZilla]  
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Posts: 17,632
SkateZilla Offline
Skate Zilla Graphics
SkateZilla  Offline
Skate Zilla Graphics
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Joined: Nov 2004
Posts: 17,632
Virginia Beach, VA
Technically its 6GB (x2), as the memory is 6GB Per GPU, when in XFire, the contents of the Memory is cloned to both Sets of Ram, when XFire is disabled and the 2nd GPU disabled/zero-cored, the 2nd set of 6GB is also disabled.


HAF922, Corsair RM850, ASRock Fata1ity 990FX Pro,
Modified Corsair H100, AMD FX8350 @ 5.31GHz, 16GB G.SKILL@DDR2133,
2x R7970 Lightnings, +1 HD7950 @ 1.1/6.0GHz, Creative XFi Fata1ity Platinum Champ.,
3x ASUS VS248HP + Hanns�G HZ201HPB + Acer AL2002 (5760x1080+1600x900+1680x1050), Oculus Rift CV
CH Fighterstick, Pro Throt., Pro Pedals, TM Warthog & MFDs, Fanatec CSR Wheel/Shifter, Elite Pedals
Intensity Pro 10-Bit, TrackIR 4 Pro, WD Black 1.5TB, WD Black 640GB, Samsung 850 500GB, My Book 4TB

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