The 2025 Apple MacBook Air 13-inch with the M4 chip, 16GB unified memory, and 512GB SSD is a significant upgrade in Apple's ultraportable lineup. It features a 10-core CPU (4 performance cores and 6 efficiency cores), an 8-core GPU, and a 16-core Neural Engine, delivering up to 2x faster performance than the M1 model and up to 23x faster than the fastest Intel-based MacBook Air.