In our Real User Monitoring (RUM), we list all the different Device Types that have accessed your website. Most are pretty self explanatory, for example Desktop and Tablet. But we also separate Mobile Devices and Mobile Phones.
Examples of a mobile device:
Mobile devices, such as the MP3 players listed above, are more likely to be connected to the internet over Wi-Fi as many don’t support SIM cards. This means mobile devices may be able to download your pages quicker compared to a mobile phone connecting over 3G.
Examples of a mobile phone:
Mobile phone speed will be depend on how the user is connected to the internet (E, 3G, 4G, Wi-Fi).