That,s not the case for me, one of my Laptop's (dell 1TB SSD 32GB) is running a 32" 4k, and a 27" 4K. and doing cad work on it.. Of course it has a low end quadro card, JSNS. Many gaming cards word work well, and many are embedded now adays.
2nd lower priced HP also 1tb and 16GB drives 2 27's...