This is about how many times more powerful the Xbox One, 360, and original are compared to each other based on RAM.
Xbox Original (Released in 2001)-64 mb of RAM
Xbox 360 (Released in 2005)-512 mb of RAM
Xbox One (Released in 2013)-8 GB of RAM
So based on the RAM of all of the Xbox consoles:
Xbox One is exactly 15.625 times more powerful than the Xbox 360, and
is 125 times more powerful than Xbox Original.The Xbox 360 is 8 times more
powerful than the Xbox Original.
Xbox One=15x 360/125x Original
Xbox 360=8x Original