inventor vs solidworks

my company is looking into one of these, probably inventor since we would save a bunch on licenses already having Autocad. is there much difference in
these? I have never really used either one.
Thanks Rob
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.