7970 Crossfire deliberation.

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Thomas Watkins

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Oct 18, 2013
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10,510
I'm currently considering purchasing an extra 7970, but I'm worried about the age old problem of power consumption. Here's what i've got :
850W XFX PSU
Z77 Sabretooth
i3770k
xfx 7970 black edition.
1x SSD & 1x HDD
I've also got a fair few case fans if that makes any difference. Would I be able to get away with an extra xfx 7970 standard edition? I know I made made a mistake sticking with XFX, but the single 7970 works pretty good, just want a performance boost. The amazon page says it uses 500w, but people report otherwise when running crossfire. Any help would be appreciated.
 
Solution
IAMEXTREME


When you crossfire 2 cards with different clock speeds, they'll both work on the lowest clock speed between the two, so your cards will work on the 925MHz Clock speed instead of the 1000MHz.
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Thomas Watkins

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Oct 18, 2013
15
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10,510
Thanks dude, may I ask one last question. I have the black edition, but my budget is £260 so i'm thinking of getting a standard DD XFX 7970 for the second card, it's core clock is 925? and the black edition one is 1000, just wondering if there is any discrepancies if I don't get the EXACT same models. What do you think? Do I have to buy another black edition? I'm a nub to crossfires, but I literally can't wait to witness the graphics explosion.
 
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Thomas Watkins

Honorable
Oct 18, 2013
15
0
10,510
Thanks dude, may I ask one last question. I have the black edition, but my budget is £260 so i'm thinking of getting a standard DD XFX 7970 for the second card, it's core clock is 925? and the black edition one is 1000, just wondering if there is any discrepancies if I don't get the EXACT same models. What do you think? Do I have to buy another black edition? I'm a nub to crossfires, but I literally can't wait to witness the graphics explosion.
 
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IAMEXTREME

IAMEXTREME

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Sep 6, 2013
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When you crossfire 2 cards with different clock speeds, they'll both work on the lowest clock speed between the two, so your cards will work on the 925MHz Clock speed instead of the 1000MHz.
 
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Solution
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Thomas Watkins

Honorable
Oct 18, 2013
15
0
10,510
Thanks dude, I've just cancelled my order before it dispatched, going to spend the extra £20 on the black edition now I found it nice and cheap on Amazon. £264. And literally all the other websites are charging £320. Muchos gracias, I can't wait to enter the world of insane frames per second.
 
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