Greenworks 13 Amp 14-Inch Corded Dethatcher / vs PowerSmart Self Propelled Gas Lawn Mower 21-inch
Updated July 2026 — Greenworks 13 Amp 14-Inch Corded Dethatcher / wins on speed and warranty, PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on power and weight.
The PowerSmart mower offers greater versatility for lawn care, while the Greenworks dethatcher excels in specialized tasks. Choose based on your specific needs.
Why Greenworks 13 Amp 14-Inch Corded Dethatcher / is better
Price
Greenworks dethatcher is $159.90, significantly cheaper than PowerSmart.
Weight
Greenworks is lightweight and easy to maneuver.
Warranty
Greenworks offers a 3-year warranty for added peace of mind.
Why PowerSmart Self Propelled Gas Lawn Mower 21-inch is better
Functionality
PowerSmart mower has 3-in-1 capabilities for mowing.
Engine Power
PowerSmart features a powerful 170cc engine.
Cutting Width
PowerSmart has a wider 21-inch cutting deck.
Overall score
Specifications
| Spec | Greenworks 13 Amp 14-Inch Corded Dethatcher / | PowerSmart Self Propelled Gas Lawn Mower 21-inch |
|---|---|---|
| Type | Dethatcher | Lawn Mower |
| Engine | Electric | Gas |
| Cutting Options | Dethatch/Scrape | Mulch/Bag/Discharge |
| Ease of Use | Lightweight | Self-Propelled |
| RPM | 3200 | N/A |
Dimension comparison
Overview of the Products
The Greenworks 13 Amp 14-Inch Corded Dethatcher / Scarifier is priced at $159.90, while the PowerSmart Self Propelled Gas Lawn Mower is priced at $339.99. This makes the PowerSmart mower approximately 113% more expensive than the Greenworks dethatcher. Both products cater to lawn care but serve very different purposes; one focuses on dethatching while the other is designed for mowing.
Purpose and Functionality
The Greenworks dethatcher is specifically designed to remove thatch and moss from lawns, which is essential for promoting healthy grass growth. It features a 14-inch working path and comes with stainless steel tines for effective debris removal. On the other hand, the PowerSmart lawn mower is meant for cutting grass, equipped with a 21-inch steel deck and a powerful 170cc engine. This mower offers three different functions: mulching, side-discharge, or rear-bagging, providing versatility for various lawn care needs.
Ease of Use
The Greenworks dethatcher is lightweight and features an easy push-button start, making it user-friendly, especially for those who may not be experienced with gardening tools. It also has a quick-release mechanism for switching between dethatching and scarifying attachments. Conversely, the PowerSmart lawn mower is self-propelled, making it easier to navigate across uneven terrain, especially on slopes. The mower also features a foldable design, saving 70% of storage space, which adds to its convenience.
Performance and Efficiency
In terms of performance, the Greenworks dethatcher operates at a no-load speed of 3200 RPM, enabling efficient removal of thatch. With a 3-position tine depth adjustment, it allows users to customize the dethatching process according to their lawn's needs. The PowerSmart mower, with its 170cc 4-cycle OHV engine, delivers improved cutting efficiency and is designed for easy starting. With a cutting height adjustment ranging from 1.5 inches to 3.9 inches, it provides flexibility for different grass types and conditions.
Maintenance and Durability
The Greenworks dethatcher comes with a 3-year warranty, offering peace of mind regarding its durability and maintenance. Its stainless steel tines are built for long-lasting performance, which is crucial for maintaining a healthy lawn. On the other hand, the PowerSmart mower features a rugged all-steel deck, which is designed to withstand regular use. While gas-powered mowers typically require more maintenance compared to corded electric tools, the PowerSmart's engine is equipped with a recoil starter and auto choke for easier maintenance.
Price Comparison
The price difference between these two products is significant; the PowerSmart lawn mower is $180.09 more expensive than the Greenworks dethatcher. At $159.90, the Greenworks dethatcher is about 47% cheaper than its PowerSmart counterpart. This price disparity reflects the different functionalities and target audiences of each product. While the dethatcher is a specialized tool for lawn care, the mower provides broader capabilities for cutting and maintaining grass.
Sales Performance
The Greenworks dethatcher holds a sales rank of 9922, while the PowerSmart lawn mower ranks slightly higher at 9309. This indicates that both products are relatively popular in their respective categories, but the PowerSmart mower may appeal more to those looking for a comprehensive lawn care solution. The higher sales rank of the mower suggests it might be favored for its multiple functions and ease of use on various terrains.
Which should you buy?
Choosing between the Greenworks dethatcher and the PowerSmart lawn mower ultimately depends on your specific lawn care needs. If your primary goal is to maintain a healthy lawn by removing thatch and moss, the Greenworks dethatcher at $159.90 is an excellent choice. However, if you require a versatile solution for mowing and cutting grass, the PowerSmart mower, despite its higher price of $339.99, offers greater functionality with its 3-in-1 options. Consider your lawn care objectives and budget before making a decision.

