Power consumption is measured at the wall with a blank Word document open and the monitor on as bright as it can go.
The A2472PW4T used 22 watts while on full brightness with a Word document open. Compared to the other monitors in the chart, it sits in between the other two monitors we've reviewed, and it is closer to the bottom monitor than to the top monitor.
We use an LX1010B light meter to measure brightness in Lux. The monitor is placed in the center of the screen on a blank Word document with the monitor at full brightness.
Despite consuming more electricity than the Acer monitor, the A2472 produces less light. This could be due to the Android system running in the background or the IPS panel. Either way, the A2472 produced just 320 Lux of light.
We use this as a way to measure a monitor's efficiency. It is simply the monitor's brightness divided by its power draw.
As you can see above, the A2472 suffers miserably in our efficiency test, producing just 14.5 Lux-per-Watt.
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