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Author Topic: moore's law and gpus?  (Read 1099 times)
satonit
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May 25, 2011, 09:50:18 AM
 #1

if a 5770 is worth $120 now.... was it $240 2 year ago? if a 5970 is $600 now.. will it be $300 in 2 years from now?

or.. will there be amazing advances with multi-cores.. where moore's law simply won't apply when measuring megahashes?
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Chucksta
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May 25, 2011, 10:04:38 AM
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The way the difficulty increase is going will make this topic somewhat academic. By the time a card that could be profitable becomes cheap enough to buy, the difficulty will make it non profitable.

Isn't Moore's law now 1.5x .... had to be altered to reflect the modern rate of increase/improvement
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May 25, 2011, 12:21:08 PM
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Why is it that everyone assumes the $:BTC ratio will always be $7.00?  If the price on MTGOX goes to $70.00, mining would be as profitable as ever.
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May 25, 2011, 12:56:29 PM
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Why is it that everyone assumes the $:BTC ratio will always be $7.00?  If the price on MTGOX goes to $70.00, mining would be as profitable as ever.

If you believe that the $:BTC ratio is going up, then it is more profitable to purchase BTC than it is to purchase hardware with which to mine.

Edit: If you already have hardware, then you have to look at two things:

1. If your electricity cost is less than your current income, it is more profitable to spend your money on electricity than it is mining.
2. If you have extra hardware that is not being used for anything else except mining (not being used for gaming, primary video card, etc), then it may be more profitable to sell the hardware for BTC. Or for $ to purchase BTC.

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satonit
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May 25, 2011, 01:21:59 PM
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Satoshi mentioned "When Bitcoins start having real exchange value, the competition for coin creation will drive the price of electricity needed for generating a coin close to the value of the coin."

if a BTC is $7.. $2100 per hour .. and you get average 2Gigahash per kwh.. @ 15c per hour... is he saying network speed should be at 28 Thash or 1,900,000 difficulty for $7/btc?


Why is it that everyone assumes the $:BTC ratio will always be $7.00?  If the price on MTGOX goes to $70.00, mining would be as profitable as ever.

Following Satoshi's logic... difficulty would soon follow and reach 19,000,000
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