The price for gaming laptops varies from less than $1,000 to $4,000 or even more in different brands. So the first thing is to find out what is the affordable price for a gaming laptop. Now the minimum price for a gaming laptop is around $650. Some laptops are more expensive than others such as MAC. Generally, the more money you spend, the better sus rog strix scar ii gl704gm performance(or service provided) a gaming laptop will have. Let's say you have a budget of $1,400 for gaming laptop, so you can set the price range for $650 - $1,400.
It is a second important issue for buying a gaming laptop. There are 2D and 3D games. 2D games(like Starcraft, RedAlert2 ...) just needs a fast CPU and some memories to run smoothly and most laptop today will do the job. 3D games(WOW,Crysis,COD ...) require a powerful graphic card (GPU) to handle the complicated real-time calculations in the 3D games. Different graphic cards have different performances in playing different 3D games. There are two major GPU Giants there: Nvidia and ATI. Both of them have a serial models of graphic cards for different gaming requirements. If you are going to maxout all details in the latest FPS games such as Crysis, you have to get a top-level graphic card. If you feel that playing general games smoothly, and playing the latest games in low-medium effects are acceptable, there are also a bunch of medium-level graphic cards available for you to choose. Basically, the more powerful a GPU(graphic processing unit)is, the more money you will spend. By identifying your requirements you will save money. Not everyone need a super gaming machine. Don't use missiles if you just want to catch a bird.