The differences between marketing and sales are as follows:
1) Marketing is considered to be a wider term than sales. It includes identifying customers, producing innovative products, branding, advertising, public relations,sales, etc. Thus, sales is just a stage or an activity of marketing.
2) Marketing is the process of creating demand for a product in the market whereas sales is refers to fulfilling these demands.
3) Marketing helps the organization to create a brand image of the product or service in the minds of the people while sales involves the selling of that product or service.
Thanks for your post. Keep updating similar kind of posts in future....