It's misleading because, practically speaking, the type of people who are after the performance you advertise, are running clusters to begin with. So what you are selling is just a simplified stack that lets you not have to manage one more "system". That's fair but you could mention that? Or atleast acknowledge that if you repeat these tests with redis cluster the results will be wildly different and you wont have those crazy looking charts.

For example it's like me claiming that my new python web framework is X faster than Flask because it comes bundles with uwsgi. Yes, technically mine is faster, but its not a fair comparison.