I fear that you are going to have to compromise.
Each of the two words you have used adds £250 to the price of a Laptop.
If a decent Laptop costs around £500. Add £250 for each option. Portable and Powerful will cost you about £1000.
Best phone camera 2017
Stunning new film posters by Hattie Stewart, Joe Cruz & more
iPad Pro 10.5in (2017) review
28 astuces pour profiter au mieux de votre iPhone