If your main concern is efficiency, then go for the laptops which do not weigh more than 2.2 kg. But you may have to negotiate on the display size. The latest laptops are cheap and also offer enhanced specifications.
Hi there, I'm Alisha - a professional blogger. and Alisha is a writer-photographer based in NY. Since graduating from the New York University, she's worked as a photographer and freelance retoucher. In her free time, she enjoys watching TV shows, swimming, and learning German.