Watch Series 7 41mm vs Watch Ultra 49mm

The Apple Watch Ultra arrived with a new case design with a flat sapphire crystal display, an Action Button, improved GPS, and longer battery life, but it also shares some of the same features as the Apple Watch Series 7.

The Apple Watch Series 7 and the Apple Watch Ultra both feature an always-on Retina display, a W3 wireless chip, a U1 ultra-wideband chip, a Digital Crown with haptic feedback, a blood oxygen sensor, an electrical heart sensor, a third-generation optical heart sensor, high and low heart rate notifications, irregular rhythm notification, an ECG app, International emergency calling, Emergency SOS, Fall Detection, WiFi (802.11b/g/n), GPS/GNSS, a compass, an always-on altimeter, 32GB of storage space, and fast charging.

The Apple Watch Series 7 features a max brightness of 1000 nits on the display, an S7 SiP with a 64-bit dual-core processor, water resistance to 50 meters, Bluetooth 5.0, and a built-in speaker and microphone.

The Apple Watch Ultra features a max brightness of 2000 nits on the display, an S8 SiP with a 64-bit dual-core processor, a temperature sensor, crash detection, water-resistance to 100 meters, an IP6X rating for dust-resistance, L1 and L5 GPS, GLONASS, Galileo, QZSS, and BeiDou, a water temperature sensor, a depth gauge, Bluetooth 5.3, and dual speakers with a three-mic array with beamforming.