Earthwise LSW70021 21-Inch Width Leaf & Grass Push vs PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
Updated July 2026 — Earthwise LSW70021 21-Inch Width Leaf & Grass Push wins on bag capacity, PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn wins on engine size and weight.
The Earthwise sweeper is ideal for leaf collection, while the PowerSmart mower offers versatile mowing capabilities.
Why Earthwise LSW70021 21-Inch Width Leaf & Grass Push is better
Price
Earthwise is significantly cheaper at $129.99.
Leaf Collection
Designed specifically for collecting leaves.
Simplicity
Easier to maintain with fewer mechanical parts.
Why PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn is better
Versatility
Offers bagging, mulching, and rear discharge.
Power
Equipped with a powerful 170cc engine.
Ease of Use
Self-propelled design reduces physical effort.
Overall score
Specifications
| Spec | Earthwise LSW70021 21-Inch Width Leaf & Grass Push | PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn |
|---|---|---|
| Price | $129.99 | $297.49 |
| Functionality | Sweeping | 3-in-1 |
| Engine Type | Manual | Gas |
| Collection Bag | 2.6 Bushel | 1.4 Bushel |
| Maneuverability | Push | Self-Propelled |
Dimension comparison
Overview of the Products
In this comparison, we will evaluate the Earthwise LSW70021 21-Inch Width Leaf & Grass Push Lawn Sweeper and the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower. The Earthwise sweeper is priced at $129.99, making it about 56% cheaper than the PowerSmart mower, which retails for $297.49. Each product serves different purposes in lawn maintenance, so understanding their features is key to making an informed decision.
Design and Build Quality
The Earthwise sweeper features a robust design tailored for collecting dry leaves and light debris on maintained lawns. Its 21-inch sweeping width, combined with two brushes per section, ensures efficient debris collection. Meanwhile, the PowerSmart mower is built with a durable steel deck and a powerful 170cc OHV engine, allowing it to tackle tougher mowing jobs with ease. While both products are designed for efficiency, the choice between them hinges on whether you prioritize leaf collection or mowing capabilities.
Functionality and Performance
The Earthwise sweeper is specifically designed for dry leaves and grass clippings, making it ideal for maintaining clean lawns after mowing. However, it may require multiple passes for optimal results. On the other hand, the PowerSmart mower offers a versatile 3-in-1 function that includes bagging, mulching, and rear discharge, accommodating various lawn care needs. Its 21-inch cutting width and six cutting height adjustments enable it to efficiently handle different grass lengths, making it suitable for various lawn conditions.
Ease of Use
The Earthwise sweeper is a push model, which means it requires manual effort to operate. While it is straightforward to use, it may not be the best choice for larger lawns due to the physical exertion involved. Conversely, the PowerSmart mower features a self-propelled design with large rear wheels, which enhances maneuverability and makes it easier to navigate slopes and uneven terrain. This feature significantly reduces the effort required during mowing, appealing to users with larger or more challenging yards.
Collection Capacity
The Earthwise sweeper is equipped with a medium-capacity 2.6-bushel collection bag, suitable for moderate debris storage. Users may have to empty the bag multiple times during a single cleanup session, especially in areas with heavy leaf fall. In contrast, the PowerSmart mower has a 1.4-bushel collection bag, which is smaller than the Earthwise's but is designed for quick collection and efficient disposal of grass clippings. This difference in collection capacity reflects the distinct purposes of each product, with the sweeper being more focused on leaf collection.
Maintenance and Care
Maintaining the Earthwise sweeper involves simple adjustments, such as ensuring the brush height is set correctly for optimal performance. It is designed for ease of cleaning and storage but is limited to collecting dry materials and may not perform well in wet conditions. The PowerSmart mower, equipped with a reliable engine, requires regular maintenance typical of gas-powered machines, including oil changes and blade sharpening. While both products require care, the nature of maintenance differs based on their designs and intended uses.
Price Comparison
The Earthwise LSW70021 is priced at $129.99, making it a budget-friendly option for those who primarily need a solution for leaf and light debris cleanup. In contrast, the PowerSmart mower's price of $297.49 reflects its advanced features and capabilities, suitable for comprehensive lawn care. The price difference of about $167.50 indicates that the PowerSmart is a more significant investment, but it also provides more versatility and functionality in return.
Customer Popularity
In terms of market performance, the Earthwise LSW70021 holds a bestseller rank of 6474, while the PowerSmart mower has a slightly lower rank of 7264. This suggests that while both products are popular, the Earthwise sweeper may have a slight edge in customer preference. However, the PowerSmart mower's strong features may appeal to a different segment of users looking for a reliable mower.
Which should you buy?
Choosing between the Earthwise LSW70021 and the PowerSmart mower ultimately depends on your specific lawn care needs. If your primary concern is efficiently collecting leaves and light debris from a maintained lawn, the Earthwise sweeper offers a cost-effective solution at $129.99. However, if you require a versatile mowing solution that can handle various grass types and lengths, the PowerSmart mower at $297.49 provides more functionality with its 3-in-1 capabilities. Consider your lawn size, maintenance preferences, and budget to make the best choice for your yard.