What is the difference between brand identity and brand positioning?

Brand identity is the unique set of visual, auditory and other stimuli that express the brand and shapes its image. 

Brand positioning is an activity of creating a brand offer in such a manner that it occupies a distinctive place and value in the target customer’s mind. 

Brand Identity is an image of a product recognized by consumer and Brand positioning is an strategy how you place your product in market.If Brand identity is strong but its positioning is weak so it will start losing the identity of product.