12 Nov '12, 10am

When will FPGAs and ASICs 'replace' GPUs for mining?: Please explain in detail, or provide an an estimate, at least.

At the current exchange rate, GPU mining can still be profitable if electricity is below twenty cents per kWh. In less than three weeks, the daily mining revenues will drop by half in an instant (the block reward subsidy "halving" event, around November 29th). Difficulty may drop also as many GPU miners quit, but not much. So the breakeven for electricity will probably be about ten cents per kWh. If you are a GPU miner and pay more than seven cents per kWh, continuing to mine will either be a waste of time (not profitable) or money-losing (if you pay above ten cents per kWh). From there, ASICs will push the breakeven for GPUs down further ... to where the few people paying three cents per kWh can't even mine on GPUs profitably. But since we don't know the future exchange rate and ASIC shipping dates and quantities, none of this is more than just being general educated gues...

Full article: http://bitcoin.stackexchange.com/questions/5327/when-will...

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