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Greenworks 80V 21" Self-Propelled Cordless Lawn vs WORX Nitro 21" Cordless Lawn Mower, Brushless

Updated July 2026 — Greenworks 80V 21" Self-Propelled Cordless Lawn wins on build and power, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on price and battery.

The Greenworks mower offers superior power and features, while the WORX mower provides excellent value and versatility.

Why Greenworks 80V 21" Self-Propelled Cordless Lawn is better

Power

Greenworks has a brushless motor with 30% more torque.

Cutting System

Greenworks features a 4-in-1 cutting system.

Durability

Greenworks has a durable steel deck.

Why WORX Nitro 21" Cordless Lawn Mower, Brushless is better

Price

WORX is $100 cheaper.

Battery

WORX includes two 5.0Ah batteries.

Storage

WORX has a fully collapsible handle.

Overall score

Greenworks 80V 21" Self-Propelled Cordless Lawn
85
WORX Nitro 21" Cordless Lawn Mower, Brushless
75

Specifications

SpecGreenworks 80V 21" Self-Propelled Cordless LawnWORX Nitro 21" Cordless Lawn Mower, Brushless
Motor TypeBrushlessBrushless 2.0
Deck MaterialSteelPolymer
Cutting Width21"21"
RuntimeUp to 30 minUp to 50 min
Height AdjustmentVariable7 Positions

Dimension comparison

Greenworks 80V 21" Self-Propelled Cordless LawnWORX Nitro 21" Cordless Lawn Mower, Brushless

Overview of the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower and WORX Nitro 21" Cordless Lawn Mower

The Greenworks 80V 21" Self-Propelled Cordless Lawn Mower is priced at $479.99, while the WORX Nitro 21" Cordless Lawn Mower is more budget-friendly at $379.99, making it about 17% cheaper. Both mowers are designed for efficiency and ease of use, but they cater to slightly different user needs and preferences, especially regarding power, features, and overall performance.

Power and Efficiency

The Greenworks mower features a powerful brushless motor that provides 30% more torque than standard models, allowing it to tackle thick grass effectively. In contrast, the WORX Nitro's brushless motor 2.0 delivers 40% more power and offers a 10% longer runtime than its predecessors. This means the WORX mower can sustain longer mowing sessions without requiring a recharge. While the Greenworks mower supports a 4-in-1 cutting system, the WORX mower enhances efficiency with its Aerodeck technology, which optimizes cut quality and reduces clumping.

Battery and Runtime

The Greenworks mower comes with a 4.0Ah battery, capable of cutting up to ½ acre on a full charge. The WORX Nitro, however, includes two 20V 5.0Ah batteries that provide a combined runtime ideal for similar-sized lawns. This dual-battery system allows for a maximum no-load runtime of approximately 50 minutes, which is advantageous for larger areas. In this comparison, the WORX Nitro's battery setup offers more flexibility for users who might need extended mowing times.

Cutting Technology

Both mowers excel in cutting technology. The Greenworks mower incorporates a brushless motor that allows for quiet operation and longer lifespan while offering a 4-in-1 system that includes mulching, bagging, side discharge, and turbo leaf pickup. The WORX Nitro features a 3-in-1 functionality that allows for mulching, bagging, and rear side-discharging, making it versatile for various lawn conditions. The patented Intellicut technology on the WORX mower automatically adjusts the cutting speed, which can save battery life and enhance cutting efficiency, particularly in dense grass.

Design and Usability

The Greenworks mower is designed with a durable steel deck that ensures longevity, while the WORX Nitro boasts a high-strength polymer deck that is lightweight but also resistant to impact. The Greenworks mower features rear-wheel drive with variable speed control, providing excellent maneuverability. Meanwhile, the WORX mower allows for quick height adjustments with a single lever, offering seven different height positions from 1.5" to 4". This ease of use makes the WORX mower more adaptable to various lawn types and user preferences, enhancing overall mowing comfort.

Storage and Portability

When it comes to storage and portability, the WORX Nitro has an edge with its fully collapsible handle, allowing for convenient vertical storage. This feature is especially beneficial for those with limited garage space. The Greenworks mower, while also portable, does not emphasize storage convenience as much. A compact design can make a significant difference for users looking to save space, and the WORX Nitro's storage capabilities may appeal more to urban homeowners or those with smaller sheds.

Price and Value

The Greenworks mower is priced at $479.99, while the WORX Nitro is available for $379.99. This price difference of $100 represents about a 21% savings when choosing the WORX model. Both mowers serve their purpose effectively, but the WORX Nitro offers excellent value for users who want robust performance without breaking the bank. Additionally, with WORX’s PowerShare technology, the batteries can be used across over 140 other tools, enhancing the overall value proposition.

Customer Reception and Popularity

In terms of customer reception, the Greenworks mower has a sales rank of 1880, indicating a solid market presence. The WORX Nitro, with a sales rank of 4856, is also appreciated but slightly less popular. This difference in rank may reflect the Greenworks mower's reputation for performance and reliability among users who prioritize power, while the WORX mower appeals to those looking for versatility and budget-friendliness.

Which should you buy?

Choosing between the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower ultimately depends on your specific needs and budget. If you value higher torque, robust power, and are willing to invest a bit more, the Greenworks model may be the ideal choice for you. However, if you're looking for a cost-effective solution that still delivers excellent performance and flexibility, the WORX Nitro stands out as a great option. Consider your lawn size, mowing preferences, and storage needs to make the best decision for your yard care.