The family will Ryzen 9 4900H and Ryzen 7 4800H. Both models have eight cores with multithreading. The heat package will remain at 45 watts, while the performance can be comparable to Core i9-9880H.
Also expected model Ryzen 7 4800HS. This is an analog of the Ryzen 7 4800H with reduced frequencies. And also appear Ryzen 5 4600H and Ryzen 5 4600HS with six cores and multithreading.
It has not yet been announced exactly when the finished laptop models on these processors will be released. Most likely, they should be expected no earlier than spring-summer of next year. Separately, we note that the new products are likely to be quite cheap, which will compete with Intel and in this field.