The pricing of the Ryzen 7 1800X/1700X/1700 may the the most reliable, this information originates from a shopping source that provided accurate pricing of previous AMD chips like the Kaveri series. The other models are a bit more speculative so I suggest taking it with a grain of salt.
Besides the pricing, the chart also contains the specifications. As we've written a couple of days ago, the Ryzen CPUs with an "X" suffix feature eXtended Frequency Range aka XFR. This is a new technology that overclocks the chip beyond the traditional Turbo clockspeeds, it comes with special cooling requirements but we do not know the exact details yet.