AMD : https://www.notebookcheck.net/Lenovo-ThinkPad-T14-T14s-T15-with-AMD-Ryzen-Pro-4000-and-Intel-Comet-Lake-announced.454393.0.html
https://www.notebookcheck.net/Lenovo-ThinkPad-L14-L15-New-budget-enterprise-ThinkPad-laptops-with-AMD-Ryzen-Pro-4000.454394.0.html
https://www.notebookcheck.net/Lenovo-ThinkPad-X13-Yoga-introduces-OLED-screen-regular-X13-uses-AMD-Ryzen-Pro-4000.454395.0.html
mai pour intel, JUIN pour AMD : https://translate.googleusercontent.com/translate_c?depth=1&rurl=translate.google.fr&sl=auto&sp=nmt4&tl=en&u=https://www.computerbase.de/2020-02/lenovo-thinkpad-l-t-x-ryzen-4000-2020/&usg=ALkJrhhjzem-fZ6zxkAe3HLYIMpfafrBLA
