Extreme Laptop Performance: GeForce GTX 1080 SLI Review
 

According to Nvidia's claims, on a GeForce GTX 1080-powered laptop you can expect 1080-like desktop performance, or thereabouts. To put those claims to the test we received a prototype of Asus' ROG GX800, a gaming laptop beast carrying two GTX 1080 GPUs which will let us test mobile Pascal on both single and dual GPU scenarios.

http://www.techspot.com/review/1231-...-gtx-1080-sli/