https://github.com/geerlingguy/sbc-reviews/issues/21
Power
Idle power draw (at wall): 1.8 W (See note)
Maximum simulated power draw (stress-ng --matrix 0): 9.7 W
During Geekbench multicore benchmark: 7.9 W
During top500 HPL benchmark: 11 W (2.75 Gflops/W)