ViewSonic VG2021M vs Samsung 920N lcd monitor comparison
We think that VG2021M has better screen with its 20" inch size than 920N with its 19" large screen.
ViewSonic VG2021M lcd monitor have finer maximum screen resolution(1400x1050) than other lcd monitor(1280x1024).
Pixel response time on these monitors is 8ms and that means you should not expirience so called "ghosts" on them.
ViewSonic VG2021M can produce very bright picture (300 cd/m2), but Samsung 920N cannot since its brightness is 250 cd/m2.
920N has good contrast ratio (700:1) but that is not the case with VG2021M (500:1).
Horizontal viewing angle is bad on both monitors (170º at ViewSonic VG2021M and 160º at Samsung 920N) for watching movies.
Both monitors have poor viewable vertical angle (160º at 920N and 155º at VG2021M) so they aren't quite confortable for watching movies.
These lcd monitors have VGA input which you will need to connect them to older computer which don't have DVI input.
DVI input which has ViewSonic VG2021M is its adventage.