AMD - In their review of the Lenovo Yoga Slim 7 14, Notebookcheck.com were impressed with the AMD Ryzen 7 4800U powered laptop, saying "The results are insane for a 14-inch subnotebook".
Lenovo IdeaPad Slim 7 with AMD Ryzen 4000 unboxing and first impressions - Neowin
Lenovo Yoga Slim 7 laptop with AMD Ryzen 7 4800U to finally go on sale on May 16 - NotebookCheck.net News
Top 8 Best AMD Ryzen 7 4700U Laptops – Colour My Tech
My experience with Lenovo Yoga Slim 7 (4800U) : r/AMDLaptops