1024x768, 1280x1024, etc...
etc is 1400х1050 and 1600x1200, but in laptops I these options are generally not seen. For the SIM You are limited to only these two permissions.
But now all production lines have already been translated into widescreen model screens, therefore if someone left the old trade — price does not please you.
Alas, will have to choose from wide angle. A "square" there are only rare model of desktop monitors and small diagonals.