I will nearly always recommend NVIDIA over AMD when it comes to video editing.
I agree with
@rcee I would never recommend a laptop for video editing. The screens are way too small to properly set up video editing software, they have subpar video cards no matter how much you spend, you will need to outfit them with monitors, mice, external storage, etc, and the video cards are not upgradeable so as new GPU features and capabilities are released you are stuck in that moment in time when you bought the laptop.
I don't know what your budget is or how serious you are about getting into video editing or what types of video footage you plan on editing (drone only, mirrorless, cinema, etc) or how important mobility is to you.
If you plan on living out of hotels and travelling the world then obviously a laptop is your only option. But if you are mostly stationary with a few trips here and there a desktop is a far better option. If you are very serious about video production and plan on shooting, editing, and delivering professionally, you will need a desktop and to properly set it up you are looking at easily over $3000.
Your video editor makes a big difference as well, if you plan on using Davinci Resolve then the GPU is more important, if you plan on using PP then the CPU and to a lesser extent the GPU is important, if you plan on using consumer grade software such as Corel VideoStudio or Cyberlink Director then you need to do a lot of research into what your chosen NLE needs to perform acceptably.
Regardless of your future editing plans, I would always pick NVIDIA over AMD for the GPU. So as you can see, only you can answer what exactly you will need. If you decide to go the desktop route,
Puget Systems is an excellent resource for desktop HW build advice. Each time I am planning a new editing workstation, I go there to read up on the latest video editing HW and test results.
If you are very serious about video editing and about to launch a career in it, then I wouldn't buy anything now if you can afford to wait. NVIDIA is about to release their RTX 4xxx series GPUs and I am hoping NVIDIA's latest GPUs will finally be able to GPU accelerate 10bit H.265 4:2:2 footage. That will be a game changer for those of us with the latest mirrorless cameras.