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Comparison Garmin Forerunner 945 vs Fenix 5 Plus: the differences, which one to choose?

Comparison Garmin Forerunner 945 vs Fenix 5 Plus: the differences, which one to choose?

April 07, 2020

Garmin Forerunner 945 vs Fenix 5 Plus comparison: the main differences
Garmin Forerunner 945 vs Fenix 5 Plus comparison: price and physical characteristics
Autonomy: greater for the Forerunner 945 in GPS mode
The sensors: a new GPS chip and a new optical sensor
Features and metrics: new on the Forerunner 945
Our opinion: Garmin Forerunner 945 or Fenix 5 Plus? Which one to choose ?

After the release in 2017 of the 2 Forerunner 935 and Fenix 5 models, two watches with identical functions but designed for different uses, Garmin released in 2018 the Fenix 5 Plus, even richer in functionality, then, in 2019, the Forerunner 945, replacement for the Forerunner 935, a light running and triathlon watch.

The Forerunner 945 takes over all the functions of the Fenix 5 Plus (including color mapping, music and Garmin Pay contactless payment) and adds some really interesting new features.

Read our detailed review and review of the Forerunner 945
Read our detailed review and our opinion on the Fenix 5 Plus

The Forerunner 945 is a versatile watch but specially designed for triathlon and competition. What are the differences with the Fenix 5 Plus? How to choose between the Forerunner 945 and the Fenix 5 Plus? You will find below a commented comparison of the 2 models and tips for choosing the watch that best meets your objectives.

Buy the Garmin Forerunner 945

PROMO: Enjoy 5% discount additional currently at Lepape with code 5A15!

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Price (from)

Pope

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599 € 529

i-Run

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€ 599 -5% (* 1)

Amazon

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€ 539

Rakuten

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599 € 460

(* 1) Discount of -5% on the forerunner945 with the promo code FORM !

Buy the Garmin Fenix 5 Plus

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Price (from)

Pope

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799 € 649

i-Run

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799 € 529

Alltricks

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699.99 € 579.99

Amazon

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699 € 569

Go-Sport

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650 € 529

Garmin Forerunner 945 vs Fenix 5 Plus comparison: the main differences

The Forerunner 945 therefore takes all the functions of the Fenix 5 Plus (including mapping, an mp3 player, a payment solution) and even the Fenix 5X Plus (with its oximeter) and adds new relevant functions and metrics , in particular :

A Body Battery energy monitoring
Assessment of acclimatization to heat and altitude
Incident detection and assistance in the event of an incident
Defining a training load target
Training Effect labels (main benefit)
Measuring the respiration rate
Indoor running management
Advanced Vector support
New optical heart rate sensor designed to work underwater
A new less energy-consuming GPS chip
Menstrual cycle monitoring functionality on Garmin Connect : all users will benefit. This feature aims to help women make the link between a cycle phase, physical and emotional state, pain, and general well-being.

The aesthetic aspect, the materials, the weight, the size and the autonomy also distinguish the 2 watches and constitute the essential point for choosing between one model or the other.

Garmin Forerunner 945 vs Fenix 5 Plus comparison: price and physical characteristics

It is on the design, the size and the that is the main difference which makes the difference between the 2 models and which should guide your choice (read below our advice to help you). The Fenix 5 Plus, more chic and more robust than the Forerunner 945, is more designed for outdoor use and to be worn on a daily basis. The light and thin Forerunner 945 is more suited to athletes, especially runners and triathletes. It is ideal for competition or for performance-oriented use.