The GT75VR Titan is a gaming powerhouse with dual GTX 1070s, an unlocked i7-7820HK CPU, and a 4K 120 Hz display that MSI says covers 100% of the AdobeRGB spectrum.
https://www.notebookcheck.net/MSI-debuts-monster-GT75VR-Titan-gaming-notebook.224664.0.html
amazing... but I don't think you can carry this around in a backpack easily without breaking your spine.
I think it will weight about 7kg or more.