RAM:
You should look for a minimum of 4-5VMs with 16-32GB of RAM. Else, you can opt for a minimum of 8GB of RAM. Moreover, your chosen laptop must run Kali on a VM for enhanced cybersecurity.
CPU:
Always go for a laptop with a six-core or late quad-core. Any quad-core processor can assist in data crunching or password cracking. However, it’s not still necessary to opt for quad-core, and you can go for any other preferred processor.
GPU:
Are you looking for an accelerated brute force password cracking process? You should opt for the latest NVIDIA GPUs. How many VRAM & CUDA cores would be there on your laptop will depend upon your budget.