The Same:
The similarities between the two types of hosting are the same amount of resources provided by the server and full use of that resource.
The Different:
The table below is the basic evaluation criteria for Reseller Hosting and Unlimited Hosting.
Unlimited Hosting
The purpose of unlimited hosting is to serve the individual, when using unlimited hosting you will be provided with a control panel to manage all the domains that you are using.
Storage: Unlimited
Bandwitdh: Unlimited
Reseller Hosting
The purpose of Reseller Hosting is for individuals or organizations who want to host business, they can create many different host accounts.
Storage: Unlimited
Bandwitdh: Depending on the Reseller hosting package you want to use.
Reseller Hosting Vs Unlimited Hosting
The above is the basic comparison of the two types of hosting Reseller and Hosting unlimited that you want to introduce to you, if there is a need to use hosting, domain name you can find the big providers like Godaddy, HawkHost, HostGator and many other hosting providers.