Weight and Size
These both go hand in hand, weight is proportional the size usually. If you need a Gaming pc that will be a desktop replacement and not moved around much then the weight and size of it won’t effect you too much. A large Gaming pc is nice to have as it offers more power to do what you need to do, along with the ability to be portable if need be. Desktop replacement Gaming pc are nice, but not something you’ll want to lug back and forth everyday to work and back.
Battery life is…