A comparison of the two Garmin running watches: Forerunner 245 and Forerunner 645. Which one will prove to be better?
Garmin
A comparison of the two Garmin running watches: Forerunner 245 and Forerunner 645. Which one will prove to be better?
Garmin offers a wide range of watches with diverse and advanced functionalities. Athletes frequently opt for these watches due to their impressive capabilities and cutting-edge technologies. Today we’ll take a look at the two models most often chosen by runners: Forerunner 245 and Foreruner 645.
Table of contents:
Choosing the suitable model: what do you need to know about Garmin Forerunner 245 and 645?
Both Garmin models share several common features. However, they also boast a few distinct differences that could impact your choice. Nevertheless, the fundamental purpose of both versions remains the same: they are designed to enhance your workouts and improve your running performance. What features do Garmin Forerunner 245 and Garmin Forerunner 645 models have in common?
- Similar prices
- 1.2" display
- Size (difference of just 1 mm)
- The same 20mm Quick Release strap system - interchangeable and silicone (leather straps are also available)
- Uploading routes — possibility to upload a .GPX file or a route taken in the Garmin Connect app
- Both models are compatible with bike sensors — cadence, speed, lights, and the Varia cycling radar
- Watches are available with either music storage ("Forerunner 245 Music" and "Forerunner 645 Music") or without music storage (Bluetooth headphones required)
Running features common to both watches
- Training load statistics
- Support for Running Dynamics statistics (using Running Dynamics Pod or HRM RUN sensor)
- Garmin Coach — assistance with workout plans
- UltraTrac — is a GPS setting that periodically turns off GPS to save battery power
- VirtualRacer
- Virtual Partner
What advantages does Garmin Forerunner 245 have over Garmin Forerunner 645?
Now that we've explored the shared features of both watches, let's delve into the specific advantages of Forerunner 645. The model comes equipped with:
- "Garmin Pay" contactless payment
- A barometric altimeter
- The measurement of the lactate threshold
- More activities such as skiing, SUP, rowing, indoor rowing
The advantages of Forerunner 245, on the other hand, are:
- A newer, more energy-efficient GPS chipset, which means longer battery life in GPS mode, up to 24 hours (up to 10 hours longer than Forerunner 645)
- A newer heart rate sensor with a pulse oximeter measuring blood oxygenation
- Body Battery — a feature that monitors your energy resources
- The measurement of heart rate underwater
Comparing the functionality of Forerunner 645 and Forerunner 245 — which one to choose?
Since the models share a similar size, they both sit on the wrist incredibly well. However, when it comes to functionality, there are a few differences to consider. If you would like to make payments with your watch or need a barometric altimeter, then Forerunner 645 would be the ideal choice. If, however, you're interested in extended GPS battery life, the capability to track your heart rate underwater, or a more recent heart rate sensor that measures your blood oxygenation, then Forerunner 245 should be a better choice.
