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Garmin 010-01960-00 GT20-TM Transom Mount Transducer vs Lowrance SplitShot Skimmer Transducer, fits

Updated August 2026 — Garmin 010-01960-00 GT20-TM Transom Mount Transducer wins on image quality and sonar clarity, Lowrance SplitShot Skimmer Transducer, fits wins on setup ease and compatibility.

The Garmin GT20-TM offers advanced sonar features, while the Lowrance SplitShot provides versatility and ease of installation.

Why Garmin 010-01960-00 GT20-TM Transom Mount Transducer is better

Sonar Detail

Garmin provides more precise fish detailing.

Power

Garmin has higher wattage for better performance.

Brand Reputation

Garmin is known for high-quality sonar technology.

Why Lowrance SplitShot Skimmer Transducer, fits is better

Price

Lowrance is slightly cheaper.

Installation

Lowrance offers more mounting options.

Sonar Coverage

Lowrance has a wider sonar cone.

Overall score

Garmin 010-01960-00 GT20-TM Transom Mount Transducer
85
Lowrance SplitShot Skimmer Transducer, fits
80

Specifications

SpecGarmin 010-01960-00 GT20-TM Transom Mount TransducerLowrance SplitShot Skimmer Transducer, fits
Sonar TypeDownvu & CHIRPDownScan & CHIRP
Wattage500WN/A
Mount TypeTransomVersatile
Temperature SensorNoYes
Frequency Range435-840 kHzN/A

Dimension comparison

Garmin 010-01960-00 GT20-TM Transom Mount TransducerLowrance SplitShot Skimmer Transducer, fits

Overview of the Garmin GT20-TM Transom Mount Transducer

The Garmin GT20-TM Transom Mount Transducer is priced at $86.24 and offers advanced sonar technology. It features Downvu sonar at 500 watts with CHIRP frequencies of 435-475 kHz and 800-840 kHz, providing detailed images of underwater structures and fish. The transducer is designed for transom mounting and includes a traditional 500 W option at 77/200 kHz, making it versatile for various fishing conditions. With a sales rank of 21,359, the Garmin transducer is a reliable choice for anglers seeking clarity and precision.

Overview of the Lowrance SplitShot Skimmer Transducer

The Lowrance SplitShot Skimmer Transducer is slightly less expensive at $85.99 and is compatible with Lowrance HOOK² Fish Finders. This transducer offers both DownScan and CHIRP sonar views, delivering enhanced visibility of fish and underwater features. It provides a wider sonar cone, which doubles the coverage compared to traditional transducers, allowing anglers to cover more water effectively. With a lower sales rank of 16,306, the Lowrance transducer is favored by many for its versatility and efficiency in various fishing scenarios.

Sonar Technology Comparison

When it comes to sonar technology, both the Garmin GT20-TM and Lowrance SplitShot offer unique advantages. The Garmin GT20-TM specializes in Downvu sonar and CHIRP frequencies, delivering distinct fish arches for better identification. In contrast, the Lowrance SplitShot provides a combination of DownScan and CHIRP sonar, enhancing the overall sonar view. The difference in sonar capabilities means that users of the Garmin transducer may benefit from more precise fish detailing, while those using the Lowrance may enjoy a broader perspective of underwater environments.

Price Analysis

The Garmin GT20-TM is priced at $86.24, while the Lowrance SplitShot comes in at $85.99, making the Lowrance about 17% cheaper at $85.99. This small price difference may be appealing to budget-conscious anglers looking for effective sonar solutions without compromising quality. However, the slightly higher price of the Garmin transducer may reflect its advanced features and specifications that cater to serious anglers who prioritize precision and detail in their fishing experience.

Installation and Ease of Use

Both transducers are designed for ease of installation, but they differ slightly in their mounting options. The Garmin GT20-TM is specifically a transom mount transducer, which may limit its installation flexibility compared to the Lowrance SplitShot. The SplitShot can be mounted on the transom, inside the hull, on a trolling motor, or through a scupper hole, offering a versatile installation process. This adaptability makes the Lowrance a more user-friendly option for those who may want to experiment with different mounting positions.

Compatibility with Fish Finders

The compatibility of each transducer with fish finders is crucial for functionality. The Garmin GT20-TM is effective for various Garmin fish finder models, while the Lowrance SplitShot is specifically designed to fit Lowrance HOOK² Fish Finders, including 5, 7, 9, and 12 inch models. This targeted compatibility means that users of the Garmin transducer may have to ensure their fish finder is compatible, while the Lowrance offers a direct fit for a range of popular Lowrance models, simplifying the buying decision for those already using these devices.

Features and Performance

In terms of features, the Garmin GT20-TM offers a robust Downvu sonar and traditional sonar capabilities, making it a strong contender for detailed underwater exploration. With its 500 watts of power and two CHIRP frequency ranges, it appeals to anglers who need high-resolution data. On the other hand, the Lowrance SplitShot boasts a wider sonar coverage and includes a built-in temperature sensor for monitoring water conditions, making it a valuable tool for various fishing environments. Each transducer excels in different aspects, catering to the preferences of different anglers.

Which should you buy?

Choosing between the Garmin GT20-TM Transom Mount Transducer and the Lowrance SplitShot Skimmer Transducer ultimately depends on your specific needs as an angler. If you prioritize detailed sonar imaging and advanced features, the Garmin GT20-TM may be worth the slightly higher price. However, if you seek a versatile and cost-effective solution with broader sonar coverage and easier installation options, the Lowrance SplitShot is a compelling choice. Both products offer unique advantages, making either a reliable addition to your fishing gear.