Apple Watch Ultra 3
Garmin Venu 4

Apple Watch Ultra 3 Garmin Venu 4

Common Features

  • Both products have OLED/AMOLED displays.
  • Both products are waterproof.
  • Both products have always-on displays.
  • Both products have replaceable watch bands.
  • Both products have a thickness of 12 mm.
  • Both products can operate in temperatures up to 55 °C.
  • Both products can operate in temperatures as low as -20 °C.
  • Both products have displays.
  • Both products monitor blood oxygenation levels.
  • Both products have heart rate monitors.
  • Both products have GPS.
  • Both products have accelerometers.
  • Both products have temperature sensors.
  • Both products have compasses.
  • Both products have barometers.
  • Both products have gyroscopes.
  • Both products track sleep.
  • Both products track distance.
  • Both products track steps taken.
  • Both products measure pace.

Main Differences

  • Apple Watch Ultra 3 has a screen size of 1.98″, while Garmin Venu 4 has a screen size of 1.4″.
  • Apple Watch Ultra 3 has an ATM rating of 10 ATM, while Garmin Venu 4 has an ATM rating of 5 ATM.
  • Apple Watch Ultra 3 is waterproof up to 100 m, while Garmin Venu 4 is waterproof up to 50 m.
  • Apple Watch Ultra 3 has a pixel density of 326 ppi, while Garmin Venu 4 has a pixel density of 458 ppi.
  • Apple Watch Ultra 3 has a resolution of 422 x 514 px, while Garmin Venu 4 has a resolution of 454 x 454 px.
  • Apple Watch Ultra 3 does not have branded damage-resistant glass, while Garmin Venu 4 has branded damage-resistant glass.
  • Apple Watch Ultra 3 weighs 61.8 g, while Garmin Venu 4 weighs 38 g.
  • Apple Watch Ultra 3 has a height of 49 mm, while Garmin Venu 4 has a height of 45 mm.
  • Apple Watch Ultra 3 has a width of 44 mm, while Garmin Venu 4 has a width of 45 mm.
  • Apple Watch Ultra 3 has a sapphire glass display, while Garmin Venu 4 does not have a sapphire glass display.
  • Apple Watch Ultra 3 has a volume of 25.872 cm³, while Garmin Venu 4 has a volume of 24.3 cm³.
  • Apple Watch Ultra 3 is designed for diving, while Garmin Venu 4 is not designed for diving.
  • Garmin Venu 4 is designed for golf, while Apple Watch Ultra 3 is not designed for golf.
  • Apple Watch Ultra 3 has a cellular module, while Garmin Venu 4 does not have a cellular module.
  • Apple Watch Ultra 3 is not compatible with Android, while Garmin Venu 4 is compatible with Android.
  • Garmin Venu 4 supports ANT+, while Apple Watch Ultra 3 does not support ANT+.
  • Apple Watch Ultra 3 has a battery life of 1.75 days, while Garmin Venu 4 has a battery life of 12 days.
  • Apple Watch Ultra 3 takes 1.5 hours to charge, while Garmin Venu 4 takes 1 hour to charge.
  • Apple Watch Ultra 3 has wireless charging, while Garmin Venu 4 does not have wireless charging.
  • Apple Watch Ultra 3 has 64GB of internal storage, while Garmin Venu 4 has 8GB of internal storage.
  • Apple Watch Ultra 3 has a built-in camera remote control function, while Garmin Venu 4 does not have this function.
  • Garmin Venu 4 has coaching, while Apple Watch Ultra 3 does not have coaching.
  • Garmin Venu 4 is compatible with Windows, while Apple Watch Ultra 3 is not compatible with Windows.
  • Garmin Venu 4 is compatible with Mac OS X, while Apple Watch Ultra 3 is not compatible with Mac OS X.
Specs Comparison
Apple Watch Ultra 3

Apple Watch Ultra 3

Garmin Venu 4

Garmin Venu 4

Design:
screen size 1.98" 1.4"
Display type OLED/AMOLED OLED/AMOLED
water resistance Waterproof Waterproof
ATM rating 10 ATM 5 ATM
waterproof depth rating 100 m 50 m
Always-On Display
pixel density 326 ppi 458 ppi
resolution 422 x 514 px 454 x 454 px
Watch band is replaceable
has branded damage-resistant glass
thickness 12 mm 12 mm
weight 61.8 g 38 g
height 49 mm 45 mm
width 44 mm 45 mm
maximum operating temperature 55 °C 55 °C
lowest potential operating temperature -20 °C -20 °C
Has a display
has a touch screen
Has sapphire glass display
volume 25.872 cm³ 24.3 cm³
is designed for kids

The Apple Watch Ultra 3 has a 1.98″ OLED/AMOLED display, which is larger than the Garmin Venu 4's 1.4″ OLED/AMOLED screen. Both displays are capable of always-on functionality. In terms of resolution, the Apple Watch Ultra 3 offers 422 x 514 px, while the Garmin Venu 4 provides a slightly higher resolution of 454 x 454 px. The pixel density on the Garmin Venu 4 is also higher at 458 ppi, compared to the Apple Watch Ultra 3's 326 ppi. Both watches feature touchscreens, but only the Apple Watch Ultra 3 has sapphire glass for added protection, while the Garmin Venu 4 lacks this feature.

When it comes to water resistance, the Apple Watch Ultra 3 is rated for 10 ATM (100 meters), offering superior depth resistance compared to the Garmin Venu 4, which has a 5 ATM (50 meters) rating. Both products are waterproof, but the Apple Watch Ultra 3 is designed to handle more extreme conditions. Both watches have replaceable bands, but only the Garmin Venu 4 includes branded damage-resistant glass.

The two devices are quite similar in thickness, both measuring 12 mm. However, the Apple Watch Ultra 3 is slightly heavier at 61.8 g, compared to the Garmin Venu 4's 38 g. In terms of dimensions, the Apple Watch Ultra 3 is larger with a height of 49 mm and a width of 44 mm, while the Garmin Venu 4 is more compact, with a height of 45 mm and a width of 45 mm. Both watches can operate in temperatures as low as -20 °C and as high as 55 °C, so they are similarly durable in terms of temperature extremes. Finally, the Apple Watch Ultra 3 has a larger volume at 25.872 cm³, compared to the Garmin Venu 4's 24.3 cm³.

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

The Apple Watch Ultra 3 and the Garmin Venu 4 share a nearly identical set of sensors. Both products are equipped with blood oxygenation monitors, heart rate monitors, GPS, accelerometers, temperature sensors, compasses, barometers, and gyroscopes. Neither of the two watches includes a cadence sensor or perspiration monitoring capabilities, as both are listed as absent in the specifications.

Since both the Apple Watch Ultra 3 and the Garmin Venu 4 have the same sensors in the same categories, there are no differences between the two in terms of the sensors provided. Each watch offers a comprehensive set of sensors designed for a wide range of fitness and outdoor tracking applications.

Overall, the sensor suite in both watches is identical, so the choice between them would likely depend on other features outside of 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 Ultra 3 and the Garmin Venu 4 offer a similar range of activity tracking features. Both watches can track sleep, distance, steps taken, and pace, and they provide sleep reports. They also support automatic activity detection, route tracking, elevation tracking, multi-sport modes, exercise tagging, and stroke counting for swimming.

However, there are a few differences in the activity tracking features between the two. The Apple Watch Ultra 3 does not track calorie intake, while the Garmin Venu 4 does provide calorie tracking. Additionally, the Apple Watch Ultra 3 is designed for diving, while the Garmin Venu 4 is not. On the other hand, the Garmin Venu 4 is designed for golf, whereas the Apple Watch Ultra 3 does not have this specific functionality.

In summary, the core activity tracking capabilities are the same across both watches, but the Garmin Venu 4 includes calorie tracking and is tailored for golf, while the Apple Watch Ultra 3 has diving functionality and lacks calorie tracking.

Connectivity:
has a cellular module
Is compatible with iOS
Is compatible with Android
supports Wi-Fi
supports ANT+
has NFC
supports Galileo

The Apple Watch Ultra 3 and Garmin Venu 4 differ in some key connectivity features. The Apple Watch Ultra 3 includes a cellular module, allowing it to function independently of a phone for calls and data, while the Garmin Venu 4 lacks this feature. In terms of compatibility, both watches support iOS, but the Apple Watch Ultra 3 is not compatible with Android, whereas the Garmin Venu 4 works with both iOS and Android devices.

Both watches support Wi-Fi and NFC, ensuring quick and convenient wireless connections. The Garmin Venu 4 also supports ANT+, a wireless technology for connecting to compatible fitness devices, which the Apple Watch Ultra 3 does not have. However, both watches support Galileo, the European satellite navigation system, for enhanced location accuracy.

In summary, the Apple Watch Ultra 3 offers cellular connectivity but lacks Android compatibility and ANT+, while the Garmin Venu 4 has broader device compatibility and supports ANT+ but does not have cellular functionality.

Battery:
battery life 1.75 days 12 days
charge time 1.5 hours 1 hours
battery life in power save mode 72 hours 25 hours
has wireless charging
has a rechargeable battery
Has a solar power battery
has a removable battery

The Apple Watch Ultra 3 and Garmin Venu 4 have different battery performance specifications. The Apple Watch Ultra 3 offers a battery life of 1.75 days, which is significantly shorter than the Garmin Venu 4's 12 days of battery life. In power save mode, the Apple Watch Ultra 3 lasts 72 hours, while the Garmin Venu 4 lasts 25 hours.

In terms of charging, the Apple Watch Ultra 3 charges in 1.5 hours, slightly slower than the Garmin Venu 4, which takes just 1 hour to charge. The Apple Watch Ultra 3 supports wireless charging, while the Garmin Venu 4 does not. Both watches have rechargeable batteries, but neither includes a solar power battery or a removable battery.

Overall, the Garmin Venu 4 excels in battery life, offering much longer usage on a single charge, while the Apple Watch Ultra 3 provides faster charging and wireless charging support.

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 8GB
Has a built-in camera remote control function
Acquires GPS faster
warranty period 1 years 1 years
has a front camera

The Apple Watch Ultra 3 and Garmin Venu 4 share several similar features. Both devices offer HRV tracking, VO2 max measurement, resting heart rate measurement, and notifications for fast/slow heart rates. They also both allow users to answer calls, locate their phones, control calls, and receive notifications. Other common features include irregular heart rate warnings, ECG technology, silent alarms, vibrating alerts, fall detection, and a stopwatch. Both watches also support voice commands and have a 1-year warranty period.

There are a few differences between the two. The Apple Watch Ultra 3 includes 64GB of internal storage, while the Garmin Venu 4 offers only 8GB. Additionally, the Apple Watch Ultra 3 has a built-in camera remote control function, which the Garmin Venu 4 lacks. Both watches acquire GPS signals quickly, but the Garmin Venu 4 does not have this feature explicitly highlighted in its specs. Both products also lack a smart alarm and front camera.

In summary, the Apple Watch Ultra 3 stands out with its larger internal storage and camera remote control function, while the Garmin Venu 4 is similar in features but with less internal storage and no camera control functionality.

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
Supports routes
Has voice feedback
Has music playback
Displays fertile window notifications
Includes maps
Predicts ovulation
Predicts start date
Can be personalised
Has barcode scanner on app
Tracks water intake
Has weight tracking

The Apple Watch Ultra 3 and Garmin Venu 4 both offer comprehensive app and software features, with many similarities between them. Both watches provide activity reports, inactivity alerts, calorie tracking, goal setting, achievements, exercise diaries, and ad-free experiences. They also feature temperature tracking, period notifications, route support, voice feedback, music playback, fertile window notifications, maps, ovulation predictions, and start date predictions. Both devices are customizable and track water intake and weight.

The main difference lies in coaching: the Garmin Venu 4 includes coaching, while the Apple Watch Ultra 3 does not. Additionally, both watches do not have a barcode scanner in their apps.

Overall, both devices offer similar core functionalities, with the Garmin Venu 4 being the only one to include coaching capabilities.

Miscellaneous:
has a battery level indicator
has aptX
Has auto pause
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 Ultra 3 and Garmin Venu 4 both feature a battery level indicator, auto pause functionality, and compatibility with smart scales and external heart rate monitors. Neither watch includes an external memory slot, and both lack a 3.5 mm audio jack socket.

One key difference is their compatibility with operating systems: the Apple Watch Ultra 3 is not compatible with Windows or Mac OS X, whereas the Garmin Venu 4 is compatible with both Windows and Mac OS X. Additionally, both devices lack support for aptX, which is a high-quality audio codec.

In summary, the main distinction is the Garmin Venu 4's broader operating system compatibility with both Windows and Mac OS X, compared to the Apple Watch Ultra 3's lack of support for these platforms.

Comparison Summary

This is a specification comparison between the Apple Watch Ultra 3 and Garmin Venu 4. Both models feature an OLED/AMOLED display, are waterproof, and include GPS and accelerometers. The Apple Watch Ultra 3 has a screen size of 1.98″, weighs 61.8 g, and is designed for diving, while the Garmin Venu 4 has a smaller 1.4″ screen, weighs 38 g, and is designed for golf. Additionally, the Apple Watch Ultra 3 offers cellular support, has 64GB of storage, and provides wireless charging, while the Garmin Venu 4 offers significantly longer battery life, supports ANT+, and is compatible with Android devices.