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 Depends on the model of each one. That said, you're not running it to be profitable, if anything it's a lottery ticket. At 40 watts for the 100 version, it's like a light bulb. Less efficient than the current bitaxe stuff, but it still costs basically nothing to run. 

If you're deciding between them, I'd venture to day esthetics may play more of a role in that decision than efficiency for certain people. 
 Thank you so much for all you do for us and bitcoin! I haven't yet bought one of these little miners, but am very much considering doing so. I'm probably more of the efficiency type than the esthetics type, so BitAxe may be for me. Being able to upgrade the asic board in an esthetically pleasing piece of hardware would be very appealing! 
 Thanks for the advice 
 Does it require 2.4 ghz like the bitaxe?