Apple Watch Series 10 vs Apple Watch Series 2

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Watch Series 10 compared with Watch Series 2

	AppleWatch Series 10	AppleWatch Series 2
Overview
Released
Released	September 2024	September 2016
Display
Case sizes
Case sizes	42 mm or 46 mm	38 mm or 42 mm
Panel
Panel	LTPO OLED	OLED
Peak brightness
Peak brightness	2,000 nits (better)	1,000 nits
Always-on display
Always-on display	Yes	No
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	Second-generation Retina OLED with Force Touch; 272 x 340 pixels (38mm) or 312 x 390 pixels (42mm); display sleeps between wrist raises (Wareable)
Screen protection
Screen protection	Ion-X front glass (aluminium cases); sapphire front crystal (titanium cases)	Ion-X glass on aluminium; sapphire crystal on stainless steel and ceramic
Health and fitness
ECG
ECG	Yes	No
Blood oxygen
Blood oxygen	Yes	No
Skin temperature
Skin temperature	Yes	No
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	No
Crash detection
Crash detection	Yes	No
GPS
GPS	Single-band	Single-band
Water resistance
Water resistance	50 m	50 m
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	Optical heart-rate sensor, accelerometer, gyroscope and ambient light sensor
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	Heart-rate tracking, Activity rings and Breathe app; activity sharing and wheelchair workouts in watchOS 3
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	GPS and GLONASS for distance, pace and route recording without an iPhone; pool and open-water swimming workouts count laps, average lap pace and stroke type
Safety features
Safety features	Emergency SOS; international emergency calling; Check In; Backtrack; torch; noise monitoring	–
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 18 hours	Up to 18 hours
In low-power mode
In low-power mode	Up to 36 hours	–
Mobile data option
Mobile data option	Yes	No
Works with
Works with	iPhone	iPhone
Chip
Chip	S10	S2
Storage
Storage	64 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	Built-in rechargeable lithium-ion battery
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	Magnetic charging cable and USB power adapter; Edition includes a Magnetic Charging Dock
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	Wi-Fi 802.11b/g/n at 2.4GHz; Bluetooth 4.0; requires iPhone 5 or later with iOS 10 at launch
Design
Weight (lightest version)
Weight (lightest version)	29.3 g	28.2 g (better)
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	Aluminium, stainless steel or white ceramic case; 50 m rating under ISO 22810:2010 for shallow-water swimming, not scuba diving or high-velocity water
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	Aluminium 38mm 38.6 x 33.3 x 11.4 mm, 28.2 g and 42mm 42.5 x 36.4 x 11.4 mm, 34.2 g; steel uses the same dimensions at 41.9 g and 52.4 g; ceramic 38mm 39.2 x 34.0 x 11.8 mm, 39.6 g and 42mm 42.6 x 36.5 x 11.4 mm, 45.6 g; weights exclude bands
Bands
Bands	Fits 130–200 mm wrists (42mm) or 140–245 mm wrists (46mm)	Sport or Woven Nylon for aluminium; Sport, steel or leather for stainless steel; Nike Sport Band for Nike+; Hermès leather plus an additional Sport Band; Sport Band for Edition. Hermès launched 23 September 2016, Nike+ was scheduled for late October
Colours
Colours	Aluminium in Jet Black, Rose Gold and Silver; titanium in Natural, Gold and Slate	Gold, Rose Gold, Silver or Space Grey aluminium; Silver or Space Black stainless steel; White ceramic
In the box
In the box	Apple Watch Series 10, strap, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)	Watch and band, magnetic charging cable and USB power adapter; Edition adds Magnetic Charging Dock; Hermès adds Sport Band