The Lenovo ThinkBook 15 G4 IAP features an Intel Core i5-1235U processor with E-cores up to 3.30GHz. The display is a 15.6-inch multitouch screen with a resolution of 1920x1080 pixels. It comes with Windows 10 Pro 64 preinstalled through downgrade rights in Windows 11 Pro 64. The laptop also includes 16.0GB of RAM and 1x256GB SSD M.2 2242 PCIe Gen3 TLC for storage. The graphics are handled by the Intel Iris Xe Graphics and it comes with Wi-Fi 6 2x2 AX for wireless connectivity.