The MacBook Air 15 Inch M4 is the better choice for productivity and multitasking, with a more powerful CPU and better multitasking capabilities. However, the iPad Pro 13 Inch M4 is more portable and has a more efficient design, making it better for creative tasks and note-taking. According to CNET, the MacBook Air M4 has a battery life of up to 18 hours, while the iPad Pro M4 has a battery lif...