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Old 06-10-2011, 04:39 PM  
rowan
Too lazy to set a custom title
 
Join Date: Mar 2002
Location: Australia
Posts: 17,393
Quote:
Originally Posted by holograph View Post
according to this chart, single 6990 can mine anywhere between 670-835 Megahashes/sec depending on your overclock and miner settings

simple calculator
http://www.alloscomp.com/bitcoin/calculator.php

another one, more advanced one
http://bitcoinx.com/profit/
That's for standalone mining, which I believe is getting a lot more difficult. A pool with an aggregate processing power measured in TERAhashes per second would have a better chance of cracking a block first?

More dodgy calcs follow...

If 57 Mhashes/sec can earn 0.06392876 BTC in 12h or 0.12785752 BTC in 24,
1340 Mhashes/sec should be capable of earning 3.00 BTC or about $74/day at current rates ($24.72/BTC)
1670 Mhashes/sec = 3.74 BTC = ~$92/day

The second URL has some interesting warnings. Will be interesting to see what happens in 2012 when the reward for solving a block halves from 50BTC to 25BTC... and if someone brings out a custom chip in the meantime, rendering the GPU solution half obsolete.
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