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Earthwise LSW70021 21-Inch Width Leaf & Grass Push vs SENIX 144 cc Gas Lawn Mower,

Updated July 2026 — Earthwise LSW70021 21-Inch Width Leaf & Grass Push wins on height and bag capacity, SENIX 144 cc Gas Lawn Mower, wins on weight and cutting width.

The Earthwise LSW70021 is ideal for leaf collection, while the SENIX mower offers more versatility for grass cutting. Choose based on your primary lawn care needs.

Why Earthwise LSW70021 21-Inch Width Leaf & Grass Push is better

Price

Earthwise is significantly cheaper at $129.99.

Simplicity

Earthwise is easier to use for leaf collection.

Weight

Earthwise is lighter and more maneuverable.

Why SENIX 144 cc Gas Lawn Mower, is better

Power

SENIX has a more powerful engine for mowing.

Versatility

SENIX offers mulching and side discharge options.

Cutting Height

SENIX has adjustable cutting heights for various grass types.

Overall score

Earthwise LSW70021 21-Inch Width Leaf & Grass Push
75
SENIX 144 cc Gas Lawn Mower,
85

Specifications

SpecEarthwise LSW70021 21-Inch Width Leaf & Grass PushSENIX 144 cc Gas Lawn Mower,
Engine TypeN/A4-Cycle
Collection BagYesNo
Mowing FunctionSweepingMowing
Adjustable HeightYesYes
Price$129.99$254.99

Dimension comparison

Earthwise LSW70021 21-Inch Width Leaf & Grass PushSENIX 144 cc Gas Lawn Mower,

Overview of the Products

The Earthwise LSW70021 and the SENIX 144 cc Gas Lawn Mower are both lawn care tools designed for different purposes. The Earthwise LSW70021 is a push lawn sweeper priced at $129.99, while the SENIX mower is a gas-powered mower available for $254.99. The significant price difference of about 96% indicates that each product targets distinct user needs and environments.

The Earthwise LSW70021 is specifically designed for collecting dry leaves and light debris from maintained lawns, making it ideal for those looking to tidy up their yards during the fall season. In contrast, the SENIX mower is a versatile 2-in-1 lawn mower that offers both mulching and side discharge capabilities, catering to users who need a reliable solution for cutting grass as well as managing clippings.

Intended Use and Functionality

The primary function of the Earthwise LSW70021 is to sweep up leaves and debris, making it best suited for flat, regularly maintained lawns. Users can expect optimal performance when collecting dry leaves, as the sweeper is designed for gradual collection over multiple passes. This tool is not ideal for heavy debris or wet conditions, which may hinder its effectiveness.

On the other hand, the SENIX mower excels in cutting grass and is equipped with a powerful 144 cc gas engine designed to handle various terrains. With a 21-inch cutting width and a 6-position cutting height adjustment, it offers flexibility for different grass types and mowing preferences. This mower is capable of performing on rugged slopes, making it an excellent option for users with diverse lawn conditions.

Design and Build Quality

The Earthwise LSW70021 features a simple design focused on ease of use, with an adjustable brush height for optimal contact with the lawn surface. Its medium-capacity collection bag holds 2.6 bushels, allowing for moderate debris storage before needing to be emptied. The lightweight nature of the sweeper facilitates easy maneuverability across the lawn.

In contrast, the SENIX mower includes a robust build with larger wheels—8 inches in the front and 11 inches in the rear—to enhance its ability to navigate rough terrains. The design also incorporates a 2-in-1 function for both mulching and side discharge, which adds to its versatility. However, this added complexity may require more maintenance compared to the straightforward design of the Earthwise sweeper.

Performance Comparison

In terms of performance, the Earthwise LSW70021 is effective at collecting dry leaves, but users may find that multiple passes are necessary for thorough cleanup. The performance can vary significantly depending on the lawn conditions, grass height, and type of debris. While it excels in its designated task, it is not suitable for heavy-duty cleaning or wet conditions.

Conversely, the SENIX mower’s 4-cycle engine provides more explosive power, enabling it to tackle larger mowing tasks efficiently. Its 6-position cutting height adjustment allows users to customize their mowing experience according to grass height, ensuring that it can handle a variety of grass types effectively. With a sales rank of 18,401, it may not be as popular as the Earthwise sweeper, which ranks at 6,474, but this could be attributed to the different target markets.

Price and Value

The Earthwise LSW70021 is priced at $129.99, making it a cost-effective solution for homeowners looking to maintain their lawns during leaf season. Its competitive pricing, coupled with its specialized functionality, offers good value for those who primarily need a leaf sweeper.

The SENIX mower is considerably more expensive at $254.99, reflecting its more complex features and broader functionality. This price difference of about 96% indicates that users investing in the SENIX mower are likely seeking a more comprehensive lawn care solution, potentially justifying the higher cost due to its performance and versatility.

Maintenance and Ease of Use

Maintaining the Earthwise LSW70021 is straightforward, as it primarily requires occasional emptying of the collection bag and adjusting the brush height for optimal performance. The simplicity of this tool makes it user-friendly for those who may not have experience with more complex lawn care equipment.

The SENIX mower may involve more maintenance due to its gas engine and additional features. Users will need to ensure proper fuel and oil levels, as well as regular upkeep of the engine and blades. However, the quick installation feature and 2-year warranty provide peace of mind for buyers, making it a relatively low-effort tool for its functionality.

Which should you buy?

Choosing between the Earthwise LSW70021 and the SENIX 144 cc Gas Lawn Mower ultimately depends on your specific lawn care needs. If you are primarily focused on clearing leaves and light debris from a maintained lawn, the Earthwise LSW70021 offers excellent value and ease of use at a price of $129.99. However, if you require a more versatile tool for mowing grass and managing clippings, the SENIX mower, with its robust features and $254.99 price tag, may be the better choice for your lawn care tasks.