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Bloomfield with multi GPU faster than Yorkfield
Continuation: Intel Core i7 with 3-way SLI and Quad-Crossfire reviewed

Core i7 mit 3-way SLI/Quad-Crossfire: Test system

• CPU: Intel Core 2 Extreme QX9770 / Intel Core i7-965 EE
• Motherboard: Nvidia Nforce 790i Ultra SLI (Asus Striker II Extreme)/ Intel X58 (Asus Rampage II Extreme)
• RAM: 2/3 x 2,048 MiByte DDR3-1333 (8-8-8-24)

(Clock speeds: GPU/VRAM)
• Radeon HD 4870 X2 (2 x 750/1,800 MHz, 2 x 1,024 MiByte GDDR5)
• Radeon HD 4870/1G (750/1,800 MHz, 1,024 MiByte)

(Clock speeds: GPU/Shader/VRAM)
• Geforce GTX 280 (602/1,296/1,107 MHz, 1,024 MiByte)

• Geforce 180.43 Beta (default settings with VSync off)
• Catalyst 8.551-Hotfix (default settings with VSync off)
All FSAA settings were done in the games. Anisotropic Filtering was always forced in the driver. The driver settings were kept at the default values - despite the Vsync.

For 3-way SLI we used three Geforce GTX 280 and for Crossfire two HD 4870 1,024 MiByte. Quad-Crossfire was realized with one HD 4870 X2 and two HD 4870 1,024 MiByte.

Author: Marc Sauter (Nov 07, 2008)

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Comments (2)

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Ar.Pi Re: Intel Core i7 with 3-way SLI and Quad-Crossfire reviewed
Senior Member
13.11.2008 05:54
If Lucid's Hydra 100 actually will work the way they say it works then its going to change a lot.

You will be able to buy 2 low-mid range card and improve performance X2. That would be insane
I wonder what this would mean for high end GPU's, they'll have to make unique features other than performance benefit to draw the crowd...

I have doubt it works "as advertised" though.

On topic: great scale for i7. Need only to drop prices on these and i'm sold.
lagathy Re: Intel Core i7 with 3-way SLI and Quad-Crossfir...
Senior Member
10.11.2008 20:52
Another interesting article...for me,the benefits of tri-sli really seem to be very slim,but this is pretty much common knowledge,and the only games which should theoretically benefit from 3 280's,such as crysis 1 and 2 are such monstrous hardware hogs(you really have to wonder when,with a ludicrously powerful setup consisting of the fastest cpu currently available and 3 of the fastest single gpu card solutions currently available in cohort,you are plumming the absolute depths of fps at maximum resolution,with only 2x fsaa and dx9) that you're simply better off waiting for a couple of yrs if you wish to be able to even attempt to max them out.
im still pinning my hopes on Lucid's hydra 100 though lol.

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