The first is the 2015 version of the 3-port USB millet plugboard, 7.35W.
Followed by the Mi home plugboard 27W fast charging version, 23.87W.
The difference in parameters on the back of the box is clear. Both are made by Qingmi Technology, the old style single USB port output 5V 2.1A, three ports maximum 15W, net weight 336g; The new single-port 5V\/3A 9V\/3A 12V\/2.25A, multi-port input 5V 4.2A, three-port maximum 27W output, net weight is heavier, 390g.
2015 version of the millet jack board, USB is 10 watts.