As I understand, the S5 is on the order of 40 to 50% more efficient than the S3. The S3 is rated at around 360W at the wall and the S5 around 590W at the wall. Expect a 2 to 4% greater efficiency with Gold Vs Bronze supply.
Thanks for reply
I want to know exact unit to calculate electric bill. 1 unit = 1000 watts so how much time it will take for antminer s5/s3 to reach 1 unit of electricity with normal smps.
An example: My electricity cost is 14.5 cents per KWH (KiloWattHour). To run an S5 at 350MHz for one day costs me approximately (0.145USD)*(590W)*(24hours)/1KWH = 2.0532USD per S5 per day. I'd probably round it to 2 USD/day.