Both of these (and all but two of the chips in the Ryzen 5000 mobile family) sport eight CPU cores and 16 threads at up to 4.8Hz.
Here's a chart including specs for all the chips announced, from AMD's website:.The U-series lineup also includes 8-core chips, but as you can see, a couple 6-core ones are in there, too.(Intel announced its own laptop chips this week, too.).
OEMs have already started announcing laptops with these chips, so we expect to see those illuminating benchmarks as early as next month.