$ apt list --installed | grep 'nvidia|intel'

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

389:i965-va-driver/unknown,now 1.7.1-0intel1 amd64 [installed]
420:intel-gpu-tools/unknown,now 1.15-1intel1 amd64 [installed]
421:intel-graphics-update-tool/unknown,now 2.0.2 amd64 [installed]
422:intel-microcode/xenial,now 3.20151106.1 amd64 [installed]
566:libcairo-gobject2/xenial,now 1.14.6-1 amd64 [installed,upgradable to: 1.15.2-0intel1]
568:libcairo2/unknown,now 1.15.2-0intel1 amd64 [installed]
660:libdrm-intel1/xenial-updates,now 2.4.70-1~ubuntu16.04.1 amd64 [installed]
1349:libva-drm1/unknown,now 1.7.1-0intel1 amd64 [installed]
1350:libva-egl1/unknown,now 1.7.1-0intel1 amd64 [installed]
1351:libva-glx1/unknown,now 1.7.1-0intel1 amd64 [installed]
1352:libva-tpi1/unknown,now 1.7.1-0intel1 amd64 [installed]
1353:libva-wayland1/unknown,now 1.7.1-0intel1 amd64 [installed]
1354:libva-x11-1/unknown,now 1.7.1-0intel1 amd64 [installed]
1355:libva1/unknown,now 1.7.1-0intel1 amd64 [installed]
1588:nvidia-375/xenial-updates,xenial-security,now 375.66-0ubuntu0.16.04.1 amd64 [installed]
1589:nvidia-opencl-icd-375/xenial-updates,xenial-security,now 375.66-0ubuntu0.16.04.1 amd64 [installed,automatic]
1590:nvidia-prime/xenial,now 0.8.2 amd64 [installed,automatic]
1591:nvidia-settings/xenial,now 361.42-0ubuntu1 amd64 [installed,automatic]
1967:va-driver-all/unknown,now 1.7.1-0intel1 amd64 [installed]
1968:vainfo/unknown,now 1.7.1-0intel1 amd64 [installed]
2034:xserver-xorg-video-intel-hwe-16.04/xenial-updates,now 2:2.99.917+git20160706-1ubuntu1~16.04.1 amd64 [installed]