Apple Watch Series 11
Apple Watch Ultra 3

Apple Watch Series 11 Apple Watch Ultra 3

Common Features

  • Both products have an OLED/AMOLED display type.
  • Both products have an always-on display.
  • Both products have a replaceable watch band.
  • Both products have a touch screen.
  • Both products have a sapphire glass display.
  • Both products are not designed for kids.
  • Both products monitor blood oxygenation levels.
  • Both products have a heart rate monitor.
  • Both products have GPS.
  • Both products have an accelerometer.
  • Both products have a temperature sensor.
  • Both products have a compass.
  • Both products have a barometer.
  • Both products have a gyroscope.
  • Both products track sleep.
  • Both products track distance.
  • Both products track steps taken.
  • Both products measure pace.
  • Both products provide sleep reports.
  • Both products detect activities automatically.

Main Differences

  • Apple Watch Series 11 has a screen size of 1.96″ while Apple Watch Ultra 3 has a screen size of 1.98″.
  • Apple Watch Series 11 is water resistant while Apple Watch Ultra 3 is waterproof.
  • Apple Watch Series 11 has an IP68 Ingress Protection rating while Apple Watch Ultra 3 has an IPX6 rating.
  • Apple Watch Series 11 has a waterproof depth rating of 50 m while Apple Watch Ultra 3 has a rating of 100 m.
  • Apple Watch Series 11 has a pixel density of 330 ppi while Apple Watch Ultra 3 has a pixel density of 326 ppi.
  • Apple Watch Series 11 has a resolution of 416 x 496 px while Apple Watch Ultra 3 has a resolution of 422 x 514 px.
  • Apple Watch Series 11 is 9.7 mm thick while Apple Watch Ultra 3 is 12 mm thick.
  • Apple Watch Series 11 weighs 43.1 g while Apple Watch Ultra 3 weighs 61.8 g.
  • Apple Watch Series 11 has a height of 46 mm while Apple Watch Ultra 3 has a height of 49 mm.
  • Apple Watch Series 11 has a width of 39 mm while Apple Watch Ultra 3 has a width of 44 mm.
  • Apple Watch Series 11 has a maximum operating temperature of 35 °C while Apple Watch Ultra 3 has a maximum operating temperature of 55 °C.
  • Apple Watch Series 11 has a lowest potential operating temperature of 0 °C while Apple Watch Ultra 3 has a lowest potential operating temperature of -20 °C.
  • Apple Watch Series 11 tracks calorie intake while Apple Watch Ultra 3 does not.
  • Apple Watch Series 11 is not designed for diving while Apple Watch Ultra 3 is designed for diving.
  • Apple Watch Ultra 3 acquires GPS faster than Apple Watch Series 11.
  • Apple Watch Series 11 has a battery life of 1 day while Apple Watch Ultra 3 has a battery life of 1.75 days.
  • Apple Watch Series 11 takes 1.2 hours to charge while Apple Watch Ultra 3 takes 1.5 hours to charge.
  • Apple Watch Series 11 has a battery life of 38 hours in power save mode while Apple Watch Ultra 3 has a battery life of 72 hours in power save mode.
  • Apple Watch Series 11 is compatible with Mac OS X while Apple Watch Ultra 3 is not.
Specs Comparison
Apple Watch Series 11

Apple Watch Series 11

Apple Watch Ultra 3

Apple Watch Ultra 3

Design:
screen size 1.96" 1.98"
Display type OLED/AMOLED OLED/AMOLED
water resistance Water resistant Waterproof
Ingress Protection (IP) rating IP68 IPX6
waterproof depth rating 50 m 100 m
Always-On Display
pixel density 330 ppi 326 ppi
resolution 416 x 496 px 422 x 514 px
Watch band is replaceable
has branded damage-resistant glass
thickness 9.7 mm 12 mm
weight 43.1 g 61.8 g
height 46 mm 49 mm
width 39 mm 44 mm
maximum operating temperature 35 °C 55 °C
lowest potential operating temperature 0 °C -20 °C
Has a display
has a touch screen
Has sapphire glass display
volume 17.4018 cm³ 25.872 cm³
is designed for kids

The Apple Watch Series 11 and the Apple Watch Ultra 3 both feature OLED/AMOLED displays, though their screen sizes slightly differ. The Series 11 has a 1.96″ display, while the Ultra 3 offers a slightly larger 1.98″ display. Both watches have an Always-On Display, providing users with constant visibility of the screen.

In terms of water resistance, the Series 11 is water-resistant with an IP68 rating and a waterproof depth rating of 50 meters. In contrast, the Ultra 3 is rated as waterproof with an IPX6 rating, capable of handling depths up to 100 meters, offering more protection for activities involving water.

As for their physical characteristics, the Apple Watch Series 11 is lighter and thinner, weighing 43.1 g with a thickness of 9.7 mm. The Ultra 3 is noticeably bulkier, weighing 61.8 g and measuring 12 mm in thickness. The Series 11 also has a slightly smaller volume of 17.4 cm³ compared to the Ultra 3's 25.9 cm³. The Series 11’s dimensions are 46 mm in height and 39 mm in width, while the Ultra 3 is 49 mm in height and 44 mm in width. Both watches have a replaceable band, a touch screen, and a sapphire glass display, though neither features branded damage-resistant glass.

Sensors:
Monitors blood oxygenation levels
Has a heart rate monitor
has GPS
has an accelerometer
Has a temperature sensor
has a compass
Has a barometer
has a gyroscope
Has a cadence sensor
Monitors perspiration

Both the Apple Watch Series 11 and the Apple Watch Ultra 3 come equipped with a comprehensive set of sensors aimed at tracking various health and activity metrics. Both watches monitor blood oxygenation levels, include a heart rate monitor, and feature GPS, accelerometer, temperature sensor, compass, barometer, and a gyroscope. Additionally, neither model includes a cadence sensor or the ability to monitor perspiration.

In terms of sensor offerings, there is no difference between the two products, as both feature identical sensors. This includes the heart rate monitor, blood oxygenation sensor, accelerometer, temperature sensor, compass, barometer, and gyroscope, making them comparable in terms of their core sensor capabilities.

Ultimately, both models provide a solid range of sensors suited for health tracking and outdoor activities, with no significant differences between them in this category.

Activity tracking:
Tracks your sleep
Tracks distance
Tracks steps taken
Measures pace
Provides sleep reports
Detects activities automatically
Has a route tracker
Tracks elevation
Has multi-sport mode
Has exercise tagging
Has a stroke counter for swimming
Tracks calorie intake
Designed for diving
Designed for golf

The Apple Watch Series 11 and the Apple Watch Ultra 3 share most of the same activity tracking features, including sleep tracking, distance tracking, step counting, pace measurement, automatic activity detection, route tracking, elevation tracking, multi-sport mode, exercise tagging, and a stroke counter for swimming. Both also provide sleep reports and track calorie intake, though there is a key difference in this area: the Series 11 tracks calorie intake, while the Ultra 3 does not.

Additionally, the Apple Watch Ultra 3 is designed for diving, while the Series 11 does not specifically cater to this activity. Both models, however, are not designed for golf.

In summary, both watches offer extensive activity tracking features, with the Ultra 3 standing out for its diving capability, while the Series 11 has an added feature for tracking calorie intake.

Connectivity:
has a cellular module
Is compatible with iOS
Is compatible with Android
Bluetooth version 5.3 5.3
supports Wi-Fi
Wi-Fi version Wi-Fi 4 (802.11n) Wi-Fi 4 (802.11n)
supports ANT+
SIM cards 1 eSIM 1 eSIM
has NFC
supports Galileo

The Apple Watch Series 11 and the Apple Watch Ultra 3 have nearly identical connectivity features. Both models are equipped with a cellular module, making them capable of independent communication. They are also compatible with iOS, but neither is compatible with Android. Both devices use Bluetooth 5.3 and support Wi-Fi with Wi-Fi 4 (802.11n) standard. Additionally, they both support NFC, and have the same SIM card configuration, with 1 eSIM.

In terms of satellite navigation, both watches support Galileo for precise location tracking. Neither model supports ANT+, which is often used for fitness and sports devices.

Overall, the connectivity specs of both the Series 11 and Ultra 3 are almost identical, with no notable differences between the two models in this category.

Battery:
battery life 1 days 1.75 days
charge time 1.2 hours 1.5 hours
battery life in power save mode 38 hours 72 hours
has wireless charging
has a rechargeable battery
Has a solar power battery
has a removable battery

The Apple Watch Series 11 and the Apple Watch Ultra 3 differ in terms of battery life and charging time. The Series 11 offers 1 day of battery life under normal use, while the Ultra 3 lasts slightly longer at 1.75 days. In power save mode, the Series 11 lasts for 38 hours, whereas the Ultra 3 extends that to 72 hours.

Regarding charge time, the Series 11 takes 1.2 hours to fully charge, while the Ultra 3 requires 1.5 hours. Both watches support wireless charging and have rechargeable batteries, but neither features a solar power battery or a removable battery.

Overall, the Ultra 3 offers a longer battery life both under normal use and in power save mode, but both devices share similar charging capabilities.

Features:
release date September 2025 September 2025
has HRV tracking
measures VO2 max
measures resting heart rate
has fast/slow heart rate notifications
Can be used to answer calls
Locates your phone
Has call control
Has notifications
has irregular heart rate warnings
Has ECG technology
Has silent alarm
Has vibrating alerts
has fall detection
Has a stopwatch
Has smart alarm
has voice commands
internal storage 64GB 64GB
Has a built-in camera remote control function
Acquires GPS faster
warranty period 1 years 1 years
number of microphones 1 1
has a front camera

The Apple Watch Series 11 and the Apple Watch Ultra 3 share many of the same features, including HRV tracking, VO2 max measurement, resting heart rate measurement, and fast/slow heart rate notifications. Both models can be used to answer calls, locate your phone, have call control, and receive notifications. They also include irregular heart rate warnings, ECG technology, silent alarms, vibrating alerts, fall detection, and a stopwatch. Additionally, both watches have voice commands, 64GB of internal storage, and the ability to control a built-in camera remotely.

However, there is one difference between the two: the Ultra 3 acquires GPS faster than the Series 11. Both models have a 1-year warranty period and are equipped with 1 microphone. Neither watch features a front camera or a smart alarm.

Overall, both the Series 11 and Ultra 3 offer a nearly identical set of features, with the Ultra 3's faster GPS acquisition being the only distinguishing factor in this category.

App & Software:
Provides activity reports
Has inactivity alerts
Counts how many calories you've burned
Has goal setting
Has achievements
Free app
Has exercise diary
Ad-free
Has coaching
Has temperature tracking
Has period notifications
Has voice feedback
Has music playback
Exports to email
Predicts ovulation
Predicts start date
Can be personalised
Has barcode scanner on app
Tracks water intake
Has weight tracking

The Apple Watch Series 11 and the Apple Watch Ultra 3 offer identical app and software features. Both models provide activity reports, inactivity alerts, and calorie counting. They also include goal setting, achievements, a free app, an exercise diary, and are ad-free. Neither watch offers coaching features, but both have temperature tracking, period notifications, voice feedback, and music playback capabilities. Additionally, both watches predict ovulation and predict start dates for the menstrual cycle, while allowing for personalization of the app experience.

Neither watch includes a barcode scanner on the app or the ability to export data to email. Both models also track water intake and have weight tracking features.

In summary, the Apple Watch Series 11 and Ultra 3 share the same set of app and software features, with no differences between the two models in this category.

Miscellaneous:
has a battery level indicator
has crash detection
has aptX
Has auto pause
Has passcode
Compatible with smart scales
Compatible with external heart rate monitors
Is compatible with Windows
has an external memory slot
Is compatible with Mac OS X
has a socket for a 3.5 mm audio jack

The Apple Watch Series 11 and the Apple Watch Ultra 3 share several common features in the miscellaneous category. Both models include a battery level indicator, crash detection, aptX support (which is absent in both), auto pause functionality, and a passcode option for security. Additionally, both watches are compatible with smart scales and external heart rate monitors.

One key difference is in their compatibility with Mac OS X. The Series 11 is compatible with Mac OS X, while the Ultra 3 is not. Both watches are not compatible with Windows, do not have an external memory slot, and lack a socket for a 3.5 mm audio jack.

Overall, the Apple Watch Series 11 and Ultra 3 are very similar in this category, with the only distinction being the Series 11's compatibility with Mac OS X.

Comparison Summary

This is a specification comparison between Apple Watch Series 11 and Apple Watch Ultra 3. Both models have an OLED/AMOLED display, support an always-on display, and feature sapphire glass displays. They also share key sensors like a heart rate monitor and GPS. However, the Apple Watch Series 11 has a smaller screen size of 1.96″ compared to 1.98″ on the Apple Watch Ultra 3. The Series 11 is water resistant with an IP68 rating, while the Ultra 3 is waterproof with an IPX6 rating and a deeper waterproof depth of 100 m. The Series 11 offers 1-day battery life, whereas the Ultra 3 lasts 1.75 days, and the Series 11 charges faster at 1.2 hours. Additionally, the Apple Watch Ultra 3 is designed for diving, while the Series 11 is not.