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Greenworks 80V 21” Brushless Cordless Electric vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — Greenworks 80V 21” Brushless Cordless Electric wins on battery and versatility, Sun Joe Corded Electric Dethatcher & Scarifier wins on value.

The Greenworks 80V 21” Brushless offers a comprehensive lawn care solution, while the Sun Joe excels in specialized dethatching at a lower price.

Why Greenworks 80V 21” Brushless Cordless Electric is better

Versatility

3-in-1 functionality for mowing, blowing, and trimming

Power

80V brushless motor for efficient operation

Battery Life

Includes two 2.0Ah batteries for cordless convenience

Why Sun Joe Corded Electric Dethatcher & Scarifier is better

Price

Significantly cheaper at $139.99

Specialization

Focused on dethatching and scarifying

Compact Design

Lightweight and easy to maneuver

Overall score

Greenworks 80V 21” Brushless Cordless Electric
85
Sun Joe Corded Electric Dethatcher & Scarifier
72

Specifications

SpecGreenworks 80V 21” Brushless Cordless ElectricSun Joe Corded Electric Dethatcher & Scarifier
Motor Power80V12 Amp
Cutting Width21 inches12.6 inches
WeightUnknownUnknown
Battery IncludedYesNo
Collection BagNo8 Gallon

Dimension comparison

Greenworks 80V 21” Brushless Cordless ElectricSun Joe Corded Electric Dethatcher & Scarifier

Overview of the Products

When it comes to lawn care, both the Greenworks 80V 21” Brushless and the Sun Joe Corded Electric Dethatcher & Scarifier offer unique features tailored to different needs. The Greenworks model is a comprehensive lawn mower kit, while the Sun Joe serves as a specialized tool for dethatching and scarifying.

The Greenworks 80V 21” Brushless is priced at $499.99, making it a premium option that includes multiple tools in one bundle. On the contrary, the Sun Joe is significantly cheaper at $139.99, catering to those looking for targeted lawn maintenance.

Performance Comparison

In terms of performance, the Greenworks model boasts a powerful 80V brushless motor, ensuring efficient operation for various yard maintenance tasks. This high voltage power allows it to handle even larger lawns with ease.

The Sun Joe, equipped with a 12-amp motor, focuses on dethatching and scarifying, covering a 12.6-inch path. While it may not offer the same overall power as the Greenworks, it excels in its specialized function, making lawn care faster and more effective.

Versatility and Functionality

The Greenworks tool is a 3-in-1 system that offers mulching, rear bagging, and side discharge capabilities, making it incredibly versatile for different lawn care tasks. This adaptability allows users to choose the method that best fits their lawn maintenance strategy.

In contrast, the Sun Joe is primarily a dethatcher and scarifier, designed specifically for improving lawn health. Its customizable depth control with five height settings allows users to adjust how deeply they treat the lawn, which is excellent for targeted care but lacks the multifunctionality of the Greenworks mower.

Ease of Use

The Greenworks model prioritizes user comfort with features such as a 7-position height adjustment and LED lights for low-light conditions. The hand-push design also makes it straightforward to navigate around the yard.

On the other hand, the Sun Joe is designed for easy cleanup with its 8-gallon detachable collection bag, which simplifies the disposal of thatch and debris. However, the corded design may limit mobility compared to the cordless Greenworks, which allows for more freedom of movement during operation.

Battery Life and Power Source

The Greenworks 80V mower comes with two 2.0Ah batteries and a rapid 4A charger, ensuring minimal downtime during lawn care. This cordless operation provides the convenience of working without the constraints of a power cord.

In contrast, the Sun Joe is a corded model, meaning it relies on a continuous power supply. While this ensures consistent performance during use, it may restrict the area of operation, particularly in larger yards. Users must consider the trade-off between convenience and mobility when choosing between these two models.

Price and Value

The Greenworks 80V 21” Brushless is priced at $499.99, which is about 257% more than the Sun Joe’s retail price of $139.99. While the higher price may seem steep, it reflects the comprehensive nature of the Greenworks kit, which includes multiple tools and enhanced features.

The Sun Joe offers great value for those focused solely on dethatching and aerating their lawns. At under $140, it provides a specialized solution for lawn care at a fraction of the price of the Greenworks model. However, it lacks the multifaceted functionality that may justify the investment in a more expensive option.

Customer Reception

The Greenworks model has a sales rank of 16,803, indicating a moderate level of popularity among consumers. Its comprehensive package appeals to homeowners looking for a complete lawn care solution.

Conversely, the Sun Joe has a much higher bestseller rank of 1,870, suggesting that it is a well-received product in its category. Its affordability and effectiveness in dethatching and scarifying have made it a go-to choice for many gardeners, showcasing its popularity in the market.

Which should you buy?

Choosing between the Greenworks 80V 21” Brushless and the Sun Joe Corded Electric Dethatcher ultimately depends on your specific lawn care needs. If you are looking for a versatile lawn care solution that includes mowing, blowing, and trimming capabilities, the Greenworks model is a strong choice despite its higher price tag.

However, if your primary concern is dethatching and aerating your lawn efficiently without breaking the bank, the Sun Joe stands out as an excellent option. Its affordability and specialized features make it a compelling choice for those focused on enhancing lawn health.