2025 Ultrabook Showdown: MacBook Air M4 vs Dell XPS 13 vs Asus Zenbook S 14
The MacBook Air M4 measures 1.13 cm thick, weighs 2.7 lbs, is fanless, uses 100% recycled aluminum, and adds Sky Blue as a new color option. The Dell XPS 13 (9345) features an all-aluminum unibody with InfinityEdge bezels, two USB-C (Thunderbolt 4) ports, and a capacitive, tactile-free function key row. The Asus Zenbook S 14 (UX5406) is about 0.50 inches thick, weighs 2.65–2.7 lbs, passes MIL-STD-810H, and features a plasma-ceramic lid called ceraluminum with two finish options. The MacBook Air M4 uses a 13.6-inch Liquid Retina LCD with 2560×1664 resolution, 60 Hz, up to 500 nits brightness, True Tone, and