In a VPS hosting you, do not have to share resources with anyone. The CPU time and memory are available to all computers on the server but certain fixed portion of resources are allocated to each account. This facilitates both flexibility and power.
On the contrary,
shared hosting involves sharing of all resources amongst computers on network. In shared hosting, all accounts need to share all available resources with other accounts on server. These encompass memory, CPU time Sand disk space.
With VPS, you basically get all power of dedicated hosting. You become master of your own set of services along with customizable disk space. However, with shared hosting, you get restricted administrative access. In addition, you are not able to customize software configurations. With a
VPS hosting you are able to perform all kind of actions from your control panel. There is no need to get in touch with technical support department with each and every single request.
In case you are new on the web, you can begin with shares hosting which is convenient and affordable. In addition, your site should have moderate amount of traffic to support lest you will face problem.