Garmin Forerunner 45 vs. Garmin Forerunner 935

Forerunner 45
Forerunner 935
 GarminForerunner 45Buy NowGarminForerunner 935Buy Now

Basic Info

Suggested Price$199$500

Activity & Fitness

Cycling (Bicycling)


Duration7 daysUp to 2 weeks


Windows Phone




Resolution208 x 208240 x 240
Size1.04 inches1.2 inches


Audio Speaker


Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM




Operating SystemBuilt-in

Comparing Forerunner 935 and Forerunner 45

Garmin Forerunner 45 and Garmin Forerunner 935 are two popular smartwatches designed to cater to fitness enthusiasts and athletes. Choosing the right smartwatch is crucial for individuals who want to track their physical activities efficiently and accurately. In this article, we will discuss the Garmin brand, known for its top-quality GPS technology, and its long-standing reputation for producing reliable fitness wearables.

Ultimately, this in-depth comparison aims to provide valuable insights to determine which Garmin Forerunner model fits your needs and preferences. We will explore various aspects of the two devices, such as design and build, features and functionality, user interface and experience, as well as price and value. Detailed information will help you make an informed decision when choosing between the Garmin Forerunner 45 and Garmin Forerunner 935.

Design and Build

Garmin Forerunner 45

The Garmin Forerunner 45 comes with a sleek design and durable materials, featuring a 1.04-inch color LCD display with a 208 x 208 resolution. It weighs 36 grams and has a 5 ATM water resistance rating, making it suitable for activities involving water exposure, such as swimming.

Garmin Forerunner 935

On the other hand, the Garmin Forerunner 935 sports a larger 1.2-inch color LCD display with a 240 x 240 resolution. Despite its larger size, it only weighs 49 grams, making it relatively lightweight. Similar to the Forerunner 45, the Forerunner 935 is rated at 5 ATM for water resistance.

Comparison of design and build quality

Both smartwatches offer durable build quality and sleek designs, with the primary differences being their display sizes and resolutions. The Forerunner 45 is lighter and more compact, while the Forerunner 935 features a slightly larger screen, catering to those who prefer a bigger display.

Features and Functionality

Garmin Forerunner 45

Operating on its built-in system, the Garmin Forerunner 45 comes equipped with multiple sensors, including accelerometer and barometer. It boasts a battery life of 7 days under regular use and provides various fitness tracking features like calories, distance, heart rate, sleep, steps, and swimming. The device also has Bluetooth connectivity, GPS, and Wi-Fi capabilities, although it lacks NFC.

Garmin Forerunner 935

The Garmin Forerunner 935 offers a wide array of features as well, including oxygen tracking, which is not available in the Forerunner 45. It operates without a specific operating system but includes similar sensors, like accelerometer and barometer. The Forerunner 935 has an impressive battery life of up to 2 weeks in regular use and is compatible with Android, iOS, and Windows Phones. Additionally, the device comes with Bluetooth, GPS, NFC, and Wi-Fi functionalities.

Comparison of features and performance

Both devices are well-equipped with useful features and functionalities for fitness tracking. The main differences lie in the battery life and compatibility with various operating systems, with the Forerunner 935 outperforming the Forerunner 45 in these aspects. Furthermore, the Forerunner 935 includes oxygen tracking, which may be essential for some users, while the Forerunner 45 does not.

User Interface and User Experience

Garmin Forerunner 45

The Garmin Forerunner 45 offers an intuitive and user-friendly interface with its touch screen LCD display. Compatibility with Android and iOS smartphones allows seamless integration, along with the availability of various apps and customization options. It is worth noting, though, that it is not compatible with Windows Phones or macOS devices.

Garmin Forerunner 935

Similarly, the Forerunner 935 provides a seamless user experience with its touch screen LCD display, offering compatibility with Android, iOS, and Windows Phones. Various apps and customization options are available, enhancing its overall user experience. However, it should be noted that the Forerunner 935 does not support macOS or Windows-compatible devices.

Comparison of user interface and user experience

Both the Garmin Forerunner 45 and Garmin Forerunner 935 offer intuitive and user-friendly touch screen interfaces, ensuring ease of use for their users. The primary difference lies in their compatibility with various operating systems, with the Forerunner 935 supporting Windows Phones, while the Forerunner 45 does not.

Price and Value

Garmin Forerunner 45

At a retail price of $199, the Garmin Forerunner 45 offers a great value for its features and functionalities. It is an affordable option for those who want a reliable smartwatch without breaking the bank.

Garmin Forerunner 935

With a price tag of $500, the Garmin Forerunner 935 comes at a higher cost, but it offers a wider range of features and a more extended battery life. Its compatibility with various operating systems also adds value to its price.

Comparison of price and value

While the Garmin Forerunner 45 offers an excellent value for its price, the Garmin Forerunner 935 justifies its higher cost with its advanced features, compatibility, and longer battery life. Users should consider which features are most important to them when deciding between the two models.


Ultimately, the choice between the Garmin Forerunner 45 and Garmin Forerunner 935 depends on individual needs, preferences, and budget. The Forerunner 45 offers a more compact design, affordability, and essential features, while the Forerunner 935 provides a larger screen, longer battery life, and compatibility with multiple operating systems. Assessing your priorities and requirements will help you make the best decision for your fitness tracking needs.

Frequently Asked Questions

Which Garmin Forerunner is best for beginners?

The Garmin Forerunner 45 is a great option for beginners, as it offers essential features at an affordable price, making it an excellent entry-level smartwatch for fitness enthusiasts.

Can I use the Garmin Forerunner 45 or 935 for triathlon training?

Both the Garmin Forerunner 45 and 935 have multisport tracking features, including swimming, which makes them suitable for triathlon training.

Are both Garmin Forerunner 45 and 935 water-resistant?

Yes, both the Forerunner 45 and 935 are water-resistant, with a rating of 5 ATM, meaning they can withstand water exposure during swimming and other water-related activities.

Is there a significant difference in battery life between the Garmin Forerunner 45 and 935?

Yes, the Garmin Forerunner 45 has a battery life of 7 days, while the Forerunner 935 offers up to 2 weeks of battery life under regular use, providing a significant difference in their endurance.

Which Garmin Forerunner model is more suitable for professional athletes?

The Garmin Forerunner 935 caters better to professional athletes with its advanced features, longer battery life, and compatibility with various operating systems, offering flexibility and functionality required for high-level sports training.

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