A processor from AMD's upcoming Ryzen chips has reportedly leaked thanks to a notebook making a stop at the BAPCO website. Going by the codename "AMD Eng Sample: 100-000000560-40_Y", the processor appears to have 8 cores and 16 threads. It was paired with a 4800 MHz memory, giving rise to speculation that the processor was DDR5 capable.
https://www.notebookcheck.net/An-AMD-processor-with-DDR5-support-leaks-appearing-to-be-a-Zen3-chip-with-a-4-GHz-clock-speed.585178.0.html