Running Apps

Hello Guys,

In my Galaxy S3 I have apps running that I don't use. Is there a way to stop them from starting with the phone?

Here are the list of apps that I don't use and are running:

- Maps
- Media Hub
- Google Play Store
- S Suggest
- Simple alarm clock
- At&t Hot Spots
- S Voice
- Synchronize

There are other apps running but those are fine... In my Nexus 4 I only have like 5 apps running.. maybe that helps a lot to making the phone smooth. I would like to have my GS3 as smooth as it can.