Choosing the right cycling computer can be a challenge, especially with the vast array of options available. This detailed comparison dives into two popular Garmin models: the Edge 520 and the Edge 25. Both devices offer GPS tracking and essential cycling data, but their feature sets and form factors differ significantly. This review will help you decide which device best suits your needs and budget, whether you're a seasoned pro or a casual weekend rider. We'll examine key differences in size, features, performance, and price to help you make an informed decision.This comparison focuses on the core distinctions between the Garmin Edge 520 and the Edge 25. We'll explore the significant size difference, highlighting the Edge 25's compact design versus the Edge 520's larger, feature-rich display. Furthermore, we'll delve into the functional differences, comparing the advanced training metrics and capabilities of the Edge 520 with the streamlined simplicity of the Edge 25. Ultimately, this review aims to provide a clear understanding of each device's strengths and weaknesses to help you determine the ideal cycling computer for your riding style.
Pros And Cons
- Smaller size (60% smaller in height than the Edge 520)
- Thinner
- Easy to attach and detach
- Many functions for many cyclists
- Less expensive than the Edge 520
- More features than the Edge 25
- More efficient
- Includes Strava segments
- More expensive than the Edge 25
Read more: Garmin Edge 530 Review: Best Value GPS Bike Computer?
Size and Design Comparison
The most striking difference between the Garmin Edge 520 and the Edge 25 is their size. The Edge 25 is significantly smaller and more compact, making it ideal for cyclists who prefer a minimalist approach.

The Edge 25 is approximately 60% smaller in height compared to the Edge 520. While the thickness difference is less significant, the Edge 25 is still slightly slimmer, making it more comfortable to wear during rides.

Both devices are waterproof, a key feature for outdoor use in various weather conditions. Despite the size difference, both offer a surprisingly solid build quality.

Features and Functionality
While the Edge 520 boasts a more extensive set of features, including advanced metrics and training capabilities, the Edge 25 offers a surprising number of functions suitable for many cyclists.

The Edge 520 is significantly more expensive than the Edge 25, reflecting its superior processing power and more advanced features. The Edge 520 offers Strava segments and other advanced metrics not found on the Edge 25.

The Edge 25's simplicity makes it a great entry-level device or for those who prefer a streamlined user interface and want a small form factor.

Conclusion and Recommendation
The choice between the Garmin Edge 520 and Edge 25 ultimately depends on individual needs and preferences. The Edge 520 is a powerful device loaded with features for serious cyclists, while the Edge 25 offers a great balance of functionality and simplicity in a compact package.

The Edge 520's higher price point reflects its advanced features like Strava segment support, detailed performance metrics and superior processing power. However, the Edge 25 excels in its compact size and ease of use.

If you're a casual or beginner cyclist seeking a basic yet reliable GPS cycling computer, the Edge 25 is an excellent choice. If you're a serious cyclist needing advanced training metrics and performance analysis, the Edge 520 will be the superior choice despite the higher cost.
