But at least one thing about the iPhone 6 and iPhone 6 Plus is spectacularly small: their energy consumption.
Following up on our iPhone 5 analysis a couple years ago, we returned to the Opower lab to measure how much electricity it takes to charge the latest Apple devices from 0% to 100% full. Then we modeled those results across a year (see Methodology) to determine their annual energy impact and cost.
Charging the iPhone 6 costs $0.47 per year
We found that, like their predecessor, the iPhone 6 as well as the iPhone 6 Plus require a trivial amount of electricity: