Garmin ECHOMAP UHD2 74cv with GT20 Transducer vs Lowrance Active Imaging 3-in-1 Transducer with
Updated August 2026 — Garmin ECHOMAP UHD2 74cv with GT20 Transducer leads on mapping and connectivity.
The Garmin ECHOMAP UHD2 74cv offers a comprehensive all-in-one solution with superior mapping features, while the Lowrance Active Imaging 3-in-1 Transducer excels in advanced sonar technology at a lower price.
Why Garmin ECHOMAP UHD2 74cv with GT20 Transducer is better
Mapping
Garmin includes preloaded mapping software.
Display
Garmin has a built-in 7-inch display.
User Experience
Garmin is easier to use for beginners.
Why Lowrance Active Imaging 3-in-1 Transducer with is better
Price
Lowrance is significantly cheaper.
Sonar Technology
Lowrance offers advanced sonar features.
Versatility
Lowrance supports multiple CHIRP frequencies.
Overall score
Specifications
| Spec | Garmin ECHOMAP UHD2 74cv with GT20 Transducer | Lowrance Active Imaging 3-in-1 Transducer with |
|---|---|---|
| Brand | Garmin | Lowrance |
| Price | $699.99 | $343.00 |
| Display Size | 7 inches | N/A |
| Sonar Types | Traditional, ClearVü | CHIRP, SideScan, DownScan |
| Mapping | Garmin Navionics+ | None |
| Wi-Fi | Yes | No |
Dimension comparison
Overview of the Garmin ECHOMAP UHD2 74cv and Lowrance Active Imaging 3-in-1 Transducer
The Garmin ECHOMAP UHD2 74cv is priced at $699.99, while the Lowrance Active Imaging 3-in-1 Transducer is about 17% cheaper at $343.00. This price difference highlights a significant factor for budget-conscious buyers. Both products cater to anglers seeking advanced sonar technology, but they offer distinct features and capabilities that may appeal to different users.
Design and Display Quality
The Garmin ECHOMAP UHD2 74cv features a 7-inch bright, sunlight-readable screen, ensuring visibility in various lighting conditions. The display is designed for clarity and ease of use, making it ideal for quick navigation and fish spotting. On the other hand, the Lowrance Active Imaging 3-in-1 Transducer does not have its own display; instead, it integrates with compatible Lowrance devices, which means that the quality of the display will depend on the user's existing equipment. This distinction might influence buyers who prioritize an all-in-one solution like the Garmin.
Sonar Technology
The Garmin ECHOMAP UHD2 74cv incorporates traditional sonar and ClearVü™ scanning sonars with the included GT20-TM transducer. This combination allows for a comprehensive underwater view, making it easier to see fish arches and structures. Conversely, the Lowrance Active Imaging 3-in-1 Transducer utilizes CHIRP technology alongside SideScan and DownScan, touted for refined detail and target identification. The latter’s FishReveal feature provides clarity in distinguishing fish from structures, which can enhance fishing success. Therefore, while both products excel in sonar technology, their approaches cater to different preferences and fishing techniques.
Mapping and Navigation Features
The Garmin ECHOMAP UHD2 74cv comes preloaded with Garmin Navionics+ mapping that includes U.S. coastal content, making it highly suitable for coastal fishing. This feature allows anglers to navigate familiar waters effectively. In contrast, the Lowrance Active Imaging 3-in-1 Transducer focuses on sonar capabilities without integrated mapping software. Users must rely on compatible Lowrance displays for navigation. This difference means that those who need detailed maps may prefer the Garmin, while users who already own compatible Lowrance devices might favor the Active Imaging transducer for its advanced sonar features.
Connectivity Options
In terms of connectivity, the Garmin ECHOMAP UHD2 74cv offers built-in Wi-Fi, allowing users to share sonar, waypoints, and routes with other compatible Garmin chartplotters. Additionally, it can pair with the ActiveCaptain app for updates and features like OneChart. The Lowrance Active Imaging 3-in-1 Transducer does not have built-in connectivity features as it is a standalone transducer that relies on compatible displays for data sharing. Consequently, Garmin’s connectivity options make it more appealing for tech-savvy anglers looking for integrated solutions.
Versatility and Compatibility
The Lowrance Active Imaging 3-in-1 Transducer boasts versatility, supporting Medium and High CHIRP frequencies (83/200 kHz) and 455/800 kHz for SideScan and DownScan. This feature allows it to cater to various fishing environments, from shallow rivers to deep lakes. In contrast, the Garmin ECHOMAP UHD2 74cv with its GT20-TM transducer is designed for specific sonar applications but lacks the same range of frequency options. Those who prioritize versatility in different fishing scenarios may find the Lowrance option more advantageous.
User Experience and Setup
User experience can vary significantly between the two products. The Garmin ECHOMAP UHD2 74cv is designed for straightforward navigation with easy-to-use controls, which is beneficial for anglers who may not be tech-savvy. In contrast, the Lowrance Active Imaging 3-in-1 Transducer requires a compatible display for full functionality, which could complicate setup for users who do not already own Lowrance equipment. The simplicity of the Garmin’s all-in-one approach could appeal to a broader audience, especially beginners.
Price Comparison and Value
While the Garmin ECHOMAP UHD2 74cv costs $699.99, the Lowrance Active Imaging 3-in-1 Transducer is offered at $343.00, making it a more budget-friendly option by about $357.00. This significant price difference can sway buyers, especially those who may already have suitable displays and are looking to upgrade their sonar capabilities without investing in a complete system. That said, each product’s value ultimately depends on the user's specific needs and existing equipment.
Which should you buy?
Choosing between the Garmin ECHOMAP UHD2 74cv and the Lowrance Active Imaging 3-in-1 Transducer depends on your specific fishing needs and budget. If you're looking for an all-in-one solution with excellent mapping capabilities and user-friendly controls, the Garmin is the better choice despite its higher price. However, if you prioritize advanced sonar technology and versatility, and you already have a compatible Lowrance display, the Lowrance Active Imaging transducer offers great value at a significantly lower price.

