Is there a GPU-hashrate database?
Try this one: http://cryptomining-blog.com/category/mining-hardware/
Though it is not perfect, it covers most of the GPUs.
GPU lister is a search platform for different graphics cards of different credential with their configurations such as Hashrate, Core clock, Memory Clock, Power consumption for specific algorithm and many more specifications.
I request all of you to visit the website and submit your best hashrate for others.
www.gpulister.com/ does not seem to have a DNS record. The site does not exist.