Miners efficiency

Compare electrical efficiency on specific algorithms
Efficiency is the power used divided by the hashrate.

Model	Release	Hashrate	Power	Algo	Profitability/day	Efficiency
Obelisk SC1 Immersion	Mar 2019	2.2Th/s	1600W	Blake2B	-$4.47/day	0.727j/Gh
Obelisk SC1 Dual	Mar 2019	1.1Th/s	900W	Blake2B	-$2.52/day	0.818j/Gh
Obelisk SC1 Slim	Jan 2019	550Gh/s	450W	Blake2B	-$1.26/day	0.001j/Mh
StrongU STU-U2	Oct 2018	7Th/s	1600W	Blake2B	-$4.18/day	0.229j/Gh
iBeLink DSM7T	Aug 2018	3.5Th/s	2100W	Blake2B	-$5.83/day	0.6j/Gh
Obelisk SC1	Jun 2018	550Gh/s	500W	Blake2B	-$1.41/day	0.001j/Mh
Innosilicon S11 SiaMaster	Apr 2018	4.3Th/s	1350W	Blake2B	-$3.71/day	0.321j/Gh
Halong Mining DragonMint B52	Apr 2018	3.83Th/s	1380W	Blake2B	-$3.74/day	0.36j/Gh
Bitmain Antminer A3 (815Gh)	Jan 2018	815Gh/s	1275W	Blake2B	-$3.62/day	0.002j/Mh
Baikal BK-B	Jan 2018	80Gh/s	410W	Blake2B	-$0.86/day	0.004j/Mh