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Upgrade From 480 to 6870 XFire?

post #1 of 16
Thread Starter 
Should I do this upgrade? Reason I am wondering is because my 480 is water cooled with an XSPC Razor block. I can OC it to 935MHz Core 2000MHz VRAM and am curious as to how that would compare to 6870's overclocked on air. If I were to do this, I would sell my 480. Would it be reasonable to sell it with the waterblock, and the stock heatsink (without it's screws) for $400? Also, would I need to upgrade my PSU? Under full load with my 1090T I used to draw 608 Watts from the wall, so that's around 500 after heat losses. Now I have the 2600k though, and the power draw will go down.

EDIT: I also have a P67A-GD65 to sell for the PSU, as I will need 4 PCI-E connectors. (forgot about that).
Edited by snelan - 1/26/11 at 5:05am
    
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post #2 of 16
in my opinion , the 6870 crossfire surpass the GTX 580

and the GTX580 sure surpass the GTX 480

then it will be a good deal to get the 6870 crossfire

but about the power consumption i don't have any idea
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post #3 of 16
Thread Starter 
Quote:
Originally Posted by EL-MARIACHY View Post
in my opinion , the 6870 crossfire surpass the GTX 580

and the GTX580 sure surpass the GTX 480

then it will be a good deal to get the 6870 crossfire

but about the power consumption i don't have any idea
Yea, I think the XFire option would beat my 480 by about 40%.
    
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post #4 of 16
Thread Starter 
Ok, looks like it would cost $519 for 2 Sapphire HD 6870's and an Antec Earth Watts 750W. I'm gonna sell my GTX 480 and the GD65. I could also sell a TT Max Orb if it comes down to it.

Thinking $370 for the 480 with the Razor mounted and the stock heatsink included
170 for the GD65 with all the cables and connectors, in box.
Maybe $30 for the TT Max Orb
    
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post #5 of 16
that's definitely an upgrade. I have both cards actually. a gtx 480 on my phenom II 955 rig and a 6870 CF on my 1090t rig. difference in performance is night and day. 6870CF is much much faster
post #6 of 16
I honestly don't think you'll need a new PSU. 6870 Crossfire isn't all that demanding, and you've already got a solid 620w PSU. Just don't use your "PhysX" card, and you'll be fine for power . 9500GT isn't enough for it anyway.
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post #7 of 16
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Ok, looks like I'll do it then. Gonna be using my 9500GT PhysX card as the main while I wait.
    
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post #8 of 16
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Quote:
Originally Posted by pioneerisloud View Post
I honestly don't think you'll need a new PSU. 6870 Crossfire isn't all that demanding, and you've already got a solid 620w PSU. Just don't use your "PhysX" card, and you'll be fine for power . 9500GT isn't enough for it anyway.
Yea, I got it for 20 bux though so why not? Also my PSU only has 2 PCIExpress connectors so... I heard using the molex adaptors is inefficient so I'm trying to stay away from that.
    
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post #9 of 16
it's a downgrade
post #10 of 16
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Quote:
Originally Posted by qqqqq View Post
it's a downgrade
No it's not
    
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