iPad Air vs iPad Air 4th Gen

Measurements for the iPad Air (1st gen) are as follows: 9.4” (H) x 6.6” (W) x 0.29” (D), with the WiFi-only model weighing 1 pound. The WiFi + Cellular iPad Air (1st gen) weighs 1.05 pounds. In comparison, the measurements for the iPad Air (4th gen) are as follows: 9.74” (H) x 7.02” (W) x 0.24” (D), with the WiFi-only model weighing 1 pound. The WiFi + Cellular iPad Air (4th gen) weighs 1.01 pounds. The iPad Air (1st gen) has a 9.7” display size, and the iPad Air (4th gen) has a 10.9” display size.

The iPad Air (1st gen) has a 9.7-inch LED-backlit multi-touch Retina display with IPS technology. Features for the 1st gen iPad Air display include a native resolution of 2048 x 1536 at 264 pixels per inch, an SDR max brightness of 400 nits, and a fingerprint-resistant oleophobic coating. In comparison, the iPad Air (4th gen) has a 10.9-inch LED-backlit multi-touch Retina display with IPS technology. Features for the 4th gen iPad Air display include a native resolution of 2360 x 1640 at 264 pixels per inch, an SDR max brightness of 500 nits, and a fingerprint-resistant oleophobic coating. Additional features for the 4th gen iPad Air display include True Tone, wide color (P3), a fully laminated display, and an anti-reflective coating.

The iPad Air (1st gen) is powered by an 8,820 mAh battery and the iPad Air (4th gen) is powered by a 7,540 mAh battery. The battery capacities of the 1st gen and 4th gen iPad Air allow for up to 10 hours of battery life when on WiFi or up to 9 hours of battery life when on cellular. The iPad Air (1st gen) uses the Lightning connector paired with a Lightning to USB charging cable, and the iPad Air (4th gen) uses the USB-C connector paired with a USB-C charging cable.