Recommended Specification for Interior Designers
Processor- You don’t need to worry about processors unless you are heavily rendering on the laptop. If you get an Intel Core i5 or i7 from the 8th Generation onward. you will have enough for enjoying designing software like ArchiCAD, Revit, SketchUp, Lumion, 3D Max, and many more.
RAM- You should be at least 8 GB RAM DDR3/DDR4. You might even need 16 GB but that can be adjusted later.
GPU- You should have at least 2 GB VRAM for AutoCAD, Revit.
However 3D max will be buttery smooth with anything equal or above 3 GB or 4 GB VRAM.
Storage- You should go for SSD will load up projects, models, files, and software lightning-fast. It will also boot up your laptop within seconds.
OS- Windows-7/8/10, Mac-X10.10.