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Author Topic: Three 5770's vs Two 5830's  (Read 898 times)
celcoid
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July 09, 2011, 11:58:57 PM
 #1

I was thinking of buying two of these
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102946

or Three of these
http://www.newegg.com/Product/Product.aspx?Item=N82E16814131368

I want to know what would be better for mining, If some one can find 5830's for under $140 that have two crossfire connectors that would be great.
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Xtremshare
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July 10, 2011, 01:43:54 AM
 #2

look to this site, https://en.bitcoin.it/wiki/Mining_hardware_comparison
you can compare gpu to see wich one is better for mining
NathanEO
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July 10, 2011, 06:57:10 PM
 #3

Do you want to use these cards for mining only?
Because for mining purpose there is no need to connect the cards with the crossfire connectors.

For my mining rigs I always went for the high-end cards. Because the base of your rig (mainboard, PSU, RAM, HDD, case) costs money too.
So every 16x PCIe-slot is worth a good amount of money. With high-end cards you can save a slot for future use or get more MHash for less base cost.
Miner99er
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July 10, 2011, 07:11:53 PM
 #4

Looking at it the 5770's ares 660MHash/sec vs 5830's 600Mhash/sec.

But 3 5770's cost $94.99 each ($284.97 total) vs $129.99 each ($259.98 total.)

Also, as stated, 3 PCIe x16 slots are needed or you could use extension cables... for an additional cost.

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dewon
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July 10, 2011, 07:34:36 PM
 #5

5830 are more efficient for each dollar you pay.

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hehu
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July 10, 2011, 07:41:17 PM
 #6

I'd prefer 2 5830's myself. That and I found it less of a headache to deal with two cards when trying to overclock than I did with having 3 in one system, at least in windows. I'm sure under linux it's not an issue.
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