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. Author manuscript; available in PMC: 2015 Sep 7.
Published in final edited form as: Lab Chip. 2014 Sep 7;14(17):3187–3194. doi: 10.1039/c4lc00010b

Fig. 3.

Fig. 3

(a) A comparison of the mega-pixel count of mobile phones with the transistor count in central-processing-units (CPUs) of PCs. This comparison shows that the pixel count of cellphone cameras has been following the Moore’s Law, i.e., doubling almost every 2 years. (b) The processor speed comparison between mobile phones and PCs. (c) Mobile phone network speeds for 1G, 2G, 3G and 4G networks are compared against the average internet speed in the US in 2013. (d) The global average cost of data transmission over cellular networks is reported as a function of time. Data sources: References 3–6.