Lenovo ideapad slim 3 i7 review techradar July 8, 2019 16 32 64 128 Lenovo ideapad slim 3 2021 Review lenovo ideapad slim 3 intel core i3 Lenovo ideapad 3 i7 review Lenovo ideapad slim 3i 14 gaming test Lenovo ideapad 3 17iau7 review