December 6th 2017
By Mike Flaminio
The iPhone 8 and iPhone X introduced new charging options for wireless/inductive charging and also fast charging with USB-C. MacRumors has a nice comparison of the various options to charge one of these devices, including the existing 5-watt and 12-watt options.
The results were on an iPhone X, but results should be similar to the iPhone 8/8 Plus.
Interestingly, there isn't a significant difference between the 12W and 18W USB-C options, although USB-C is faster. Or at least not enough to really be worth the expense if you need to buy one. They also compared third-party power adapters and didn't find an advantage over Apple's