Apple Watch Series 10 vs Apple Watch Ultra

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Watch Series 10 compared with Watch Ultra

	AppleWatch Series 10	AppleWatch Ultra
Overview
Released
Released	September 2024	September 2022
Display
Case sizes
Case sizes	42 mm or 46 mm	49 mm
Panel
Panel	LTPO OLED	LTPO OLED
Peak brightness
Peak brightness	2,000 nits	2,000 nits
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Always-On Retina LTPO3 display with wide-angle OLED, up to 40% brighter when viewed at an angle; 374 x 446 pixels (42mm) or 416 x 496 pixels (46mm) at 326 ppi; 970 or 1,196 sq mm display area; 1 nit minimum brightness	LTPO2 OLED Always-On Retina display; 410 x 502 pixels; 1,185 sq mm display area; Night Mode on the Wayfinder face
Screen protection
Screen protection	Ion-X front glass (aluminium cases); sapphire front crystal (titanium cases)	Flat sapphire front crystal, with the case raised around its edges
Health and fitness
ECG
ECG	Yes	Yes
Blood oxygen
Blood oxygen	Yes	Yes
Skin temperature
Skin temperature	Yes	Yes
Sleep apnoea alerts
Sleep apnoea alerts	Yes	No
High blood pressure alerts
High blood pressure alerts	Yes	No
Body composition
Body composition	No	No
Fall detection
Fall detection	Yes	Yes
Crash detection
Crash detection	Yes	Yes
GPS
GPS	Single-band	Dual-band (L1 and L5)
Water resistance
Water resistance	50 m	100 m (better)
Sensors
Sensors	Electrical heart sensor; third-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer (up to 256 g); high dynamic range gyroscope; ambient light sensor; depth gauge to 6 m; water temperature sensor	Electrical heart sensor (ECG app); blood oxygen sensor; third-generation optical heart sensor; temperature sensing with a two-sensor design; compass; always-on altimeter; high-g accelerometer (up to 256 g-forces); high dynamic range gyroscope; ambient light sensor; water temperature sensor; depth gauge
Health features
Health features	Vitals app (heart rate, respiratory rate, wrist temperature, blood oxygen and sleep duration); irregular rhythm notifications; high and low heart rate notifications; low cardio fitness notifications; sleep stages and sleep score; Cycle Tracking with retrospective ovulation estimates; Medications; Mindfulness with state of mind tracking; Noise	ECG app; Blood Oxygen app; irregular rhythm notifications; temperature sensing for retrospective ovulation estimates in Cycle Tracking
Fitness features
Fitness features	Custom workouts; Training Load; Heart Rate Zones; Race Route; Pacer; stride length, ground contact time and vertical oscillation; automatic track detection; multisport workouts; offline maps with custom route creation; pool and open-water swimming with SWOLF and automatic stroke detection; snorkelling to 6 m with the Depth app; cycling power zones and cadence with Bluetooth accessories; GymKit	Depth app and recreational diving to 40 m with the Oceanic+ app; Backtrack; Compass Waypoints; Action button for workouts, segments and waypoints; GymKit
Safety features
Safety features	Emergency SOS; international emergency calling; Check In; Backtrack; torch; noise monitoring	Emergency SOS; international emergency calling; Fall Detection; Crash Detection; 86 dB emergency siren
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 18 hours	Up to 36 hours
In low-power mode
In low-power mode	Up to 36 hours	–
Mobile data option
Mobile data option	Yes	Yes
Works with
Works with	iPhone	iPhone
Chip
Chip	S10	S8
Storage
Storage	64 GB (better)	32 GB
Battery life detail
Battery life detail	All-day figure tested over 18 hours with 300 time checks, 90 notifications, 15 minutes of app use and a 60-minute workout with music (GPS + Cellular model with 4 hours on LTE); built-in rechargeable lithium-ion battery	Up to 36 hours of normal use; up to 18 hours on LTE
Charging
Charging	Fast charging to 80% in about 30 minutes; 15 minutes for up to 8 hours of normal use; 8 minutes for up to 8 hours of sleep tracking	Apple Watch Magnetic Fast Charger to USB-C Cable
Connectivity
Connectivity	L1 GPS, GNSS, Galileo and BeiDou; 4G LTE and UMTS (GPS + Cellular models); Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband chip; Apple Pay	4G LTE and UMTS; Wi-Fi 802.11b/g/n at 2.4 GHz and 5 GHz; Bluetooth 5.3; W3 wireless chip; U1 chip (Ultra Wideband); L1 and L5 GPS with GLONASS, Galileo, QZSS and BeiDou; Apple Pay
Storage
Storage	–	32GB
Design
Weight (lightest version)
Weight (lightest version)	29.3 g (better)	61.3 g
Software
Software	watchOS	watchOS
Case materials
Case materials	100% recycled aluminium case, or polished grade 5 titanium case (95% recycled titanium); metal and sapphire crystal back; water resistant to 50 m (ISO 22810:2010), for swimming and snorkelling; IP6X dust resistant	Aerospace-grade natural titanium case; ceramic and sapphire crystal back; water resistant to 100 m (ISO 22810); IP6X dust resistant; tested to MIL-STD 810H; on-wrist operating temperature from -20°C to 55°C
Size
Size	42mm is 42 x 36 x 9.7 mm, 30 g (aluminium, GPS), 29.3 g (aluminium, GPS + Cellular) or 34.4 g (titanium); 46mm is 46 x 39 x 9.7 mm, 36.4 g (aluminium, GPS), 35.3 g (aluminium, GPS + Cellular) or 41.7 g (titanium); lightest is the 42mm aluminium GPS + Cellular	49 x 44 x 12 mm; 61.3 g
Bands
Bands	Fits 130–200 mm wrists (42mm) or 140–245 mm wrists (46mm)	Alpine Loop, Trail Loop and Ocean Band
Colours
Colours	Aluminium in Jet Black, Rose Gold and Silver; titanium in Natural, Gold and Slate	Natural titanium
In the box
In the box	Apple Watch Series 10, strap, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)	Apple Watch Ultra, band or loop, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)