Lenovo thinkbook 16 amd ryzen 7 review July 8, 2019 16 32 64 128 Lenovo thinkbook 16 g6 amd ryzen 7 review Thinkbook ryzen 7 Lenovo thinkbook ryzen 3 Lenovo thinkbook 15 ryzen 3 Lenovo thinkbook 14 ryzen Lenovo thinkbook 15 g2 ryzen 7 4700u