One of the best laptop for professionalism and gamers is the Lenovo ThinkPad E450. As it comes with 4 GB Ram and 2.19 GHz processor with window 10 inbuilt fast enough to run multiple tasks. It has a good battery backup and power saver more. Its display quality is very good as you can watch the HD movies on it. Moreover, its functions are easily operated and understandable. I personally recommend this laptop for gamers also, who loves to play high definition games without any interruptions. Hence, its smart laptop for all.