Difference between "convey" and "portray"

Convey
"Convey" means to pass or communicate an information to someone.

• Please convey my apologies to your wife.
• Colours like red convey a sense of energy and strength.

Portray
"Portray" means to depict or describe someone/something pictorially or verbally.

• Laurence Olivier portrayed Hamlet beautifully.
• In this painting, the king is portrayed sitting on his throne.