Ultrabook PCs and MacBook Airs are both types of laptops that are known for being thin, lightweight, and portable. While both types of laptops have their own advantages and disadvantages, it is ultimately up to the individual user to decide which type of laptop is best for them.

Some of the advantages of Ultrabook PCs include their affordability, their wide variety of models and features, and their ability to be customized. Some of the disadvantages of Ultrabook PCs include their shorter battery life, their smaller storage capacity, and their lack of a dedicated graphics card.

Some of the advantages of MacBook Airs include their long battery life, their large storage capacity, and their powerful performance. Some of the disadvantages of MacBook Airs include their higher price point, their limited number of models and features, and their lack of upgradability.

In terms of which laptop is better, it really depends on the individual user's needs and preferences. If you are looking for a budget-friendly laptop that is still powerful and portable, then an Ultrabook PC may be a good option for you. If you are looking for a high-performance laptop that has a long battery life and a large storage capacity, then a MacBook Air may be a better choice.