MacBook Air M4 vs MacBook Pro M4

The MacBook Air M4 and MacBook Pro 14" M4 share the same M4 chip and deliver nearly identical single-core performance — the CPU cores are the same silicon. The Pro earns its premium through three meaningful differences: a ProMotion 120 Hz display (vs 60 Hz on the Air), an active cooling fan that sustains peak performance indefinitely under load, and a third Thunderbolt 4 port. In practice, the Air throttles during multi-hour exports or sustained AI inference, while the Pro maintains full speed. The Air is 330g lighter and $600 cheaper, making it the right choice for writers, students, and creators who work in short bursts. The Pro makes sense for anyone running long FFmpeg encodes, training local ML models, or demanding studio-quality colour grading sessions where the fan and extra port justify the cost. Battery capacity is similar — 72.6 Wh (Pro) vs 53.8 Wh (Air 13") — but Apple's efficiency tuning gives both exceptional real-world battery life.