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3x Sapphire Radeon HD6970 2GB or 2x MSI Lightning Extreme GTX GeForce 580 3GB - Page 2

post #11 of 77
3 gpus in quadfire and 1080p 2500x1600?

LOL WUT??
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post #12 of 77
Quote:
Originally Posted by arifay View Post
Sapphire Radeon HD6970x3 in quadfire
vs
MSI Lightning Extreme GTX GeForce 580 3GBx2 in SLi

This will be for three 1080P 2500x1600 resolution NVIDIA Surround Setup. (NO i do not want 3d)
What does that even mean?
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post #13 of 77
Thread Starter 
Quote:
Originally Posted by wermad View Post
vram per card, not total vram.
thanks for the clarity, as you probably have guessed, I haven't done this before, last time i built a computer was when i was 12 back when 500MB memory was the ****, But if you are running 3 way SLI or 3 way crossfire, does each gpu handle each monitor output if say you wanted to connect three monitors?

I know in dual SLi, two monitors are controlled by one card, and the other card controls the last one in a three monitor setup.
post #14 of 77
Each frame is rendered by each card, so technically, the 6970's would be faster. But at "1080p 2560x1600 (wut?)*, the extra 1Gb on the 580's will be beneficial above having another card. And scaling isn't perfect, there may be more latency with triple-cards. Each card doesn't control each monitor. Card 1 renders frame 1, card 2 frame 2, so on. But the first card is the only actual output. At least how I understand it. I may be dead wrong, I've never gone multi-GPU.
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post #15 of 77
Do you have 1080p monitors (1920x1080) or 30" (2560x1600)?

The extra vram of 3g 580s would help in the case of AA on 30 inch monitors. Either way, your better off with 6970's.
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My System
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2500k @5.0 P67 Sabertooth 2 x Diamond 6970 G.SKILL Sniper 2x4G 1600 
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Corsair F3 120g SSD & F4 2TB & Seagate 500g Asus Thermalright Silver Arrow Windows 7 
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Asus VE276Q 27" + Dell 17" Ducky 1087 - MxBlacks CM 1000W Gold Haf 922 
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post #16 of 77
Quote:
Originally Posted by arifay View Post
Sapphire Radeon HD6970x3 in trifire
vs
MSI Lightning Extreme GTX GeForce 580 3GBx2 in SLi

This will be for three 1600P 2500x1600 resolution NVIDIA Surround Setup. (NO i do not want 3d)
Fixed.

Get three 6970's, in essence it's the same as the 6990+6970, which easily beats the SLI GTX 580's. As far as VRAM, 2GB is plenty.

Look here: http://www.hardocp.com/article/2011/...rifire_review/
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post #17 of 77
Quote:
Originally Posted by Heat View Post
Fixed.

Get three 6970's, in essence it's the same as the 6990+6970, which easily beats the SLI GTX 580's. As far as VRAM, 2GB is plenty.

Look here: http://www.hardocp.com/article/2011/...rifire_review/
Not really 6990 packs 4gb of vram while trifired 6970 is still 2 gb
Edited by StormXLR - 6/14/11 at 2:13am
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post #18 of 77
Quote:
Originally Posted by StormXLR View Post
Not really 6990 packs 4gb of vram while trifired 6970 is still 2 gb
Not really, 6990 has 4Gb TOTAL, with 2Gb usable to each GPU. As in the case of 6970 Trifire, there is still only 2Gb total available, as VRAM doesn't add up.
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post #19 of 77
Quote:
Originally Posted by jellis142 View Post
Not really, 6990 has 4Gb TOTAL, with 2Gb usable to each GPU. As in the case of 6970 Trifire, there is still only 2Gb total available, as VRAM doesn't add up.
oh okay, i thought 6990 had 4gb of vram usable.
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post #20 of 77
Quote:
Originally Posted by StormXLR View Post
oh okay, i thought 6990 had 4gb of vram usable.
Everybody wishes...that would be insane.
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