HotHardware posted a review on the Lenovo ThinkPad X1 Extreme
A quote from the article:
And then Lenovo decided to introduce the new ThinkPad X1 Extreme 15-inch platform. Take the original Lenovo ThinkPad X1 Carbon, stretch its screen real estate to a 15-inch 4K HDR panel (1080p options available as well), drop in a 6-core 8th Gen Intel Core i7 series processor along with discrete NVIDIA GeForce GTX 1050 Ti graphics and 32GB of RAM, and you have the all new ThinkPad X1 mobile workstation-class machine we're looking at here today. Remember that good ol' ThinkPad X1 Carbon workhorse? Yeah, well, the X1 Extreme is built for running with the bulls...Lenovo ThinkPad X1 Extreme Review