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June 25, 2011, 02:49:46 PM |
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I don't know what a 5950 is! If you meant a 5850, think of it this way! A 5850 at 325Mh/s, or even heavily OC'd at 375Mh/s will bring in about .2 BTC/day (perhaps a little more OC'd). This would be $3.40/day (@ $17/BTC, the current going rate), before electricity cost, Or $102/month assuming difficulty stays the same (which it won't). If you factor in the rise in difficulty (every 10-14 days), in 8-12 days that $3.40 turns in to $1.70 or so (for another 10-14 days. Difficulty will keep rising, and profits will keep dropping, until you are using more power than BTC would pay for. The card might eventually pay itself off but, there would be very little profit if any!
Now for the electricity! At a modest rate of $.08/Kwh, you would be paying about $.38 per day, turning your daily earnings into $3.02 currently, or $1.32 next re-target.
You need to take these things into consideration, before making a miner purchase! At this point it is not very cost effective to buy GPUs for this sole reason. Even resale of your GPU will be harder to do in another month, when everyone starts to realize they are no longer making money from mining. There will be HUGE amounts of used cards on the market, forcing the price way down! It will truly be a "buyers market" for GPUs!
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