How to Check if your Singapore Passport is Biometric
As a traveller, there are two main differences between the biometric passport and the old one.
1. You cannot renew your Singapore passport validity with the biometric passport. It is only valid for 5 years, then you have to pay another SGD $80 to get a new one after those 5 years are up.
2. Your Passport Number is now different from your NRIC number. Keep in mind when filling out travelling forms you will no longer be able to use your IC number.
If you remember when it was issued, all passports issued past 15 August 2006 are biometric. So if you got it in 2009 it is definitely a biometric one.
If your passport is the Singapore biometric one, your passport cover should look like this (from Wiki):

Pay attention to the international symbol for biometric passports below the words “PASSPORT” that looks like:
On a related note, find out what to do in case you lose your Singapore passport overseas.