以前ジャンクで買ってメインマシンにしている Thinkpad T430s でなんとなくlspci したら NVIDIA の GPU が!

$ lspci -nn | egrep -i "3d|display|vga"
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
01:00.0 3D controller [0302]: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] [10de:1140] (rev a1)