The phrase "a key point of differentiation" is correct and usable in written English.
It can be used when discussing what makes a product, service, or idea stand out from others in a competitive context.
Example: "Our innovative technology is a key point of differentiation that sets us apart from our competitors."
Alternatives: "a crucial distinguishing factor" or "a significant differentiating element".
Nordstrom's longstanding reputation -- for service and the personal relationship that its clerks are encouraged to develop with customers -- is a key point of differentiation in the market, he explained.
The OpenStreetMaps data is also a key point of differentiation in his view.
Today, this is has become a key point of differentiation for Duolingo in the increasingly-crowded world of language learning.
We realized we had a key point of differentiation, which has affected how we position ourselves and continue to evolve our product," Scott explained.
In my experience a key point of differentiation that I've found is that merchants are able to sell products through Facebook, Twitter and Pinterest.
Offering real estate services to all of the people who need a roof over their heads can be a key point of differentiation for you as a brokerage owner in your market.
Thus a system's organizing tool is likely to be the key point of differentiation.
Single-person crafters were concerned about the possibility of unfair competition with larger factories, while users questioned whether the change would mean Etsy lost its key point of differentiation.
Dobroski thinks Know Your Worth's use of market trends is its key point of differentiation from competitive products like PayScale.
But the Visor's long-term success depends in part on the one key point of differentiation from its bigger rivals: that expansion slot, called the Springboard.
With Intern Avenue, the key point of differentiation from other market players (which are mainly advertising or agency based talent solutions) is that they are focused on automation and building a predictive profiling mechanism that helps match the most suitable candidates with the right employers.
