Singapore Penal Code

S375 : Rape
What
Sexual activity that involves penetration of private parts with a female without her consent if she is above 14
or
Sexual activity that involves penetration of private parts with a female with our without her consent if she is under 14

Consequences
Imprisonment for a term which may extend to 20 years, and shall also be liable to fine or to caning.

Example
http://thecourtroom.stomp.com.sg/courtroom/cases/this-urban-jungle/man-charged-with-rape-and-sexual-grooming-of-12-year-old-girl

S376 : Sexual assault by penetration
What
Penetration of male's private part into the anus of another person
or
Oral sex
or
Penetration of part of male's body (example : finger) into vagina or anus of another person

Consequences
Imprisonment for a term of not less than 8 years and not more than 20 years and shall also be punished with caning with not less than 12 strokes.
or
14 years of age shall be punished with imprisonment for a term which may extend to 20 years, and shall also be liable to fine or to caning.

Example
http://thecourtroom.stomp.com.sg/courtroom/cases/five-youths-gang-raped-girl-and-made-her-perform-oral-sex

S377 : Outrages on decency
What
Homosexual sexual activity