Hot Hardware published a review on the AMD Demos Ryzen 7 Benchmarks Beating Intel, Reveals Chip Details, Clock Speeds, And Pricing A quote from the article:

AMD President and CEO, Dr. Lisu Su, took to the stage at AMD's Ryzen Tech Day and opened the event with some official speeds, feeds, pricing information, and benchmark scores from the company's upcoming Ryzen series processors. To date, we?ve seen a number of leaks with related data and benchmarks, but the numbers and information we'll be presenting here are straight from AMD ? they are the real deal, not rumors or speculation. And we?ve got a couple of surprises and new pieces of information to share as well...

 AMD Demos Ryzen 7 Benchmarks Beating Intel, Reveals Chip Details, Clock Speeds, And Pricing @ HotHardware