PRO还是Jaguar架构，导致频率不能继续提升，但能够保障兼容PS4
PS5不是Jaguar架构，不能100%兼容

至于所谓“所有游戏都能兼容，100款是强化兼容”，反正我看到的通稿可不是这么写的，除非别的地方又有确认了
Lastly, we’re excited to confirm that the backwards compatibility features are working well. We recently took a look at the top 100 PS4 titles as ranked by play time, and we’re expecting almost all of them to be playable at launch on PS5. With more than 4000 games published on PS4, we will continue the testing process and expand backwards compatibility coverage over time.