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Greenworks 40V 16" Cordless Lawn Mower vs Sun Joe 15-Inch Electric Powered Lawn Dethatcher

Updated July 2026 — Greenworks 40V 16" Cordless Lawn Mower wins on runtime and power, Sun Joe 15-Inch Electric Powered Lawn Dethatcher wins on collection bag and weight.

The Greenworks mower offers superior cordless convenience and compatibility with other tools, making it the better choice for most homeowners. The Sun Joe dethatcher is a solid option for those focused on lawn rejuvenation.

Why Greenworks 40V 16" Cordless Lawn Mower is better

Cordless

Greenworks mower is cordless, providing more freedom of movement.

Weight

Greenworks mower is 35% lighter than comparable models.

Ecosystem

Greenworks mower is compatible with over 75 other tools.

Why Sun Joe 15-Inch Electric Powered Lawn Dethatcher is better

Price

Sun Joe dethatcher is 17% cheaper.

Power

Sun Joe has a powerful 13-amp motor for dethatching.

Depth Control

Sun Joe offers customizable depth control for dethatching.

Overall score

Greenworks 40V 16" Cordless Lawn Mower
85
Sun Joe 15-Inch Electric Powered Lawn Dethatcher
75

Specifications

SpecGreenworks 40V 16" Cordless Lawn MowerSun Joe 15-Inch Electric Powered Lawn Dethatcher
Battery4.0AhN/A
MotorElectric13-Amp
Height Control5 Positions5 Positions
Mowing TypeCordlessCorded
MaintenanceZeroLow

Dimension comparison

Greenworks 40V 16" Cordless Lawn MowerSun Joe 15-Inch Electric Powered Lawn Dethatcher

Overview of the Products

The Greenworks 40V 16" Cordless Lawn Mower and the Sun Joe 15-Inch Electric Powered Lawn Dethatcher are two compelling options for homeowners looking to maintain their lawns effectively. The Greenworks mower is priced at $279.99, while the Sun Joe dethatcher is about 17% cheaper at $169.99. Each product serves a different purpose: one focuses on mowing, while the other specializes in dethatching and aerating the lawn.

Power and Performance

When it comes to performance, the Greenworks mower boasts a robust 40V battery system, offering up to 40 minutes of runtime on a full charge. This makes it suitable for small to medium lawns of up to 1/3 acre. In contrast, the Sun Joe dethatcher features a powerful 13-amp motor designed to effectively remove thatch and aerate the lawn. While both tools are effective, the Greenworks mower provides the convenience of cordless operation, allowing for more freedom of movement across your yard.

Design and Usability

The Greenworks mower is noted for its ultra-lightweight design, which is 35% lighter than comparable models. This design includes ergonomic handles and a push-button start, making it easy for users to maneuver and store. The Sun Joe dethatcher, on the other hand, features four durable wheels that enhance maneuverability, reducing user fatigue during operation. While both designs prioritize user comfort, the Greenworks mower offers a more straightforward setup and operation due to its cordless nature.

Cutting and Dethatching Capabilities

Greenworks’ mower has a 16-inch cutting deck with a smart cut adjustment system, providing five height settings to adapt to various grass types. This flexibility allows users to achieve a clean cut tailored to their lawn’s needs. Conversely, the Sun Joe dethatcher comes with a 5-position depth control feature, enabling users to customize the dethatching and scarifying depth according to their lawn's specific requirements. While the Greenworks product focuses on cutting efficiency, the Sun Joe excels in lawn rejuvenation.

Maintenance and Upkeep

The Greenworks mower offers zero maintenance, eliminating the need for gas, oil, or engine tune-ups. This feature can save users upwards of $200 annually compared to traditional gas mowers. Additionally, the product includes a 3-year warranty for both the tool and the battery, ensuring peace of mind for the buyer. The Sun Joe dethatcher, being an electric tool, also requires minimal maintenance but does not have the same operational cost benefits as a cordless mower.

Ecosystem and Compatibility

A standout feature of the Greenworks mower is its compatibility with over 75 other Greenworks 40V tools, such as trimmers and blowers. This allows users to expand their outdoor toolkit without needing to purchase additional batteries. In contrast, the Sun Joe dethatcher is more specialized, serving primarily as a dethatching tool without a wider ecosystem of compatible products. For users looking to build a versatile toolkit, the Greenworks mower presents a more attractive option.

User Feedback and Popularity

The Greenworks mower has a sales rank of 813, indicating its popularity among consumers in the lawn mower category. This suggests that many users have found it reliable and effective for their lawn care needs. The Sun Joe dethatcher, with a sales rank of 2581, also enjoys a solid level of interest, though it trails behind the Greenworks mower in consumer preference. Higher sales rank may suggest better overall satisfaction and performance in real-world use.

Which should you buy?

Choosing between the Greenworks 40V 16" Cordless Lawn Mower and the Sun Joe 15-Inch Electric Powered Lawn Dethatcher ultimately depends on your specific lawn care needs. If you require an efficient mower that offers cordless convenience, lightweight design, and compatibility with a wide range of tools, the Greenworks mower is the clear choice. However, if your focus is on dethatching and revitalizing your lawn, the Sun Joe dethatcher provides excellent performance at a more budget-friendly price point. Consider your lawn’s requirements and your maintenance preferences to make the best decision for your yard care needs.