Before explaining power usage by web browsing, we compare
the idle-state power of various types of PCs in Table
1. We observe that high-performance desktops and laptops
show less idle-state power due to development of energyefficient
hardware technologies. The most recent models,
such as L3/D3, consume less power than standard ones, by
almost 50%/30%.
Figure 3 describes how different types of PCs affect power
consumption when web browsing. Except for idle-state power
consumption, we accumulated the total power usage while
visiting 100 websites in each country. As CPU and other
hardware technologies, such as GPU progress rapidly, the
overall power usage of PCs slightly increases. In L3 and D3,
the total amount of power usage is larger than L2 and D2 by
32% and 41%. In particular, a legacy PC like D1 consumes
a lot of power because of its poor performance and energy
inefficiency. In this work, we present the results with the
most popular and energy-efficient PC (D3) by considering
both idle-state power and web-browsing power.