AMD Ryzen 7 1700 CPU from AMD. Released March 2, 2017. Website Wikipedia
AMD Ryzen 7 1700x CPU from AMD. Released March 2, 2017. Website Wikipedia
AMD Ryzen 7 1800x CPU from AMD. Released March 2, 2017. Website Wikipedia
Microsoft Lumia 640 Released March 2, 2015.
Ryzen (codename: Summit Ridge) CPU family from AMD. Announced February 22, 2017. First relesed March 2, 2017. Website Wikipedia
Zen Microarchitecture codename from AMD. First processors released under the Ryzen CPU March 2, 2017. Wikipedia