TechPowerUp posted a review on the NVIDIA GeForce GTX 1080 Ti Founders Edition 11 GB
A quote from the article:
Today, NVIDIA released the GTX 1080 Ti, which is the company's fastest graphics card ever. It conclusively beats the much more expensive GTX Titan X in our testing. While the NVIDIA reference cooler looks amazing, its cooling potential could be improved, as our review shows.NVIDIA GeForce GTX 1080 Ti Founders Edition 11 GB Review @ TechPowerUp