vsversusfinder

RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah wins on battery, Sun Joe Corded Electric Dethatcher & Scarifier wins on motor and collection bag.

The RB 9" Small Lawn Mower excels in maneuverability and ease of use for small spaces, while the Sun Joe Dethatcher offers better versatility for lawn health. Choose based on your specific lawn care needs.

Why RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah is better

Weight

RB mower is lighter at 11.5 lbs.

Storage

RB mower saves 70% space when stored.

Cutting Heights

RB mower offers adjustable cutting heights.

Why Sun Joe Corded Electric Dethatcher & Scarifier is better

Power

Sun Joe has a 12-amp motor.

Cutting Width

Sun Joe covers a 12.6-inch path.

Popularity

Sun Joe has a better sales rank.

Overall score

RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
75
Sun Joe Corded Electric Dethatcher & Scarifier
85

Specifications

SpecRB 9" Small Lawn Mower for Small Spaces, 40V 2AhSun Joe Corded Electric Dethatcher & Scarifier
Price$169.99$139.99
Sales Rank209121870
Battery Life2AhN/A
Cutting Height1.2"-2"Adjustable
Motor TypeBrushless12-Amp

Dimension comparison

RB 9" Small Lawn Mower for Small Spaces, 40V 2AhSun Joe Corded Electric Dethatcher & Scarifier

Overview of the Products

When it comes to lawn care, the RB 9" Small Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier each serve distinct purposes. The RB mower is designed for cutting grass in small spaces, while the Sun Joe tool focuses on dethatching and scarifying for lawn health. At a price of $169.99, the RB mower is about 21% more expensive than the Sun Joe, which is priced at $139.99. Understanding the differences between these two products will help you choose the right tool for your lawn care needs.

Design and Portability

The RB 9" Small Lawn Mower is ultra-light and compact, weighing only 5.2 kg (11.5 lbs) without the battery, making it easy to maneuver in tight spaces. This feature is particularly advantageous for small yards where handling a heavier mower could be cumbersome. In contrast, the Sun Joe Dethatcher weighs more due to its heavy-duty design, which includes a 12-amp motor and an 8-gallon collection bag. If portability is a priority for you, the RB mower's design allows for one-hand steering and upright storage, saving up to 70% space when not in use.

Cutting and Performance

The RB mower features a powerful 6000RPM brushless motor, allowing for efficient mulching and suitable for lawns up to 540 sq. ft. It offers three adjustable cutting heights ranging from 1.2" to 2", giving users flexibility in lawn maintenance. On the other hand, the Sun Joe Dethatcher covers a wider 12.6-inch path and utilizes a 12-amp motor for quick lawn care. While the RB mower excels in cutting grass, the Sun Joe focuses on enhancing lawn health through its aeration capabilities, making each tool effective in its designated role.

Ease of Use

User-friendliness is a key aspect of both products. The RB mower's one-hand steering and lightweight design make it accessible for beginners, while its safety features ensure automatic stopping if tilted beyond 20°–70°. Conversely, the Sun Joe Dethatcher offers customizable depth control with five settings, allowing users to adjust the dethatching and scarifying depth based on their lawn’s needs. While the RB mower is straightforward for cutting grass, the Sun Joe provides a more hands-on approach for lawn health, appealing to those who want to engage more deeply in lawn care.

Maintenance and Storage

Both products are designed with user convenience in mind when it comes to maintenance and storage. The RB mower boasts a brushless motor that requires zero maintenance, making it a hassle-free option for busy homeowners. Its detachable aluminum handle and upright storage feature contribute to its space-saving design. The Sun Joe Dethatcher, while not as compact, includes an 8-gallon detachable collection bag that simplifies the cleanup process, allowing for easy disposal of thatch and debris. Each tool minimizes the burden of maintenance in its own way.

Target User

The RB 9" Small Lawn Mower is ideal for individuals with small yards who prioritize ease of use and maneuverability. Its design caters specifically to those who want an effective but lightweight mower for grass cutting. In contrast, the Sun Joe Dethatcher is tailored for gardening enthusiasts who want to improve their lawn's health through dethatching and scarifying. This tool is best suited for users looking to engage in more comprehensive lawn maintenance beyond just mowing.

Price Comparison

At $169.99, the RB mower is positioned at a premium compared to the Sun Joe's price of $139.99. This makes the Sun Joe about 17% cheaper than the RB mower. While the higher price of the RB mower might seem justified due to its specialized features for small spaces, the Sun Joe offers a more versatile lawn care solution at a lower cost. When considering budget, the Sun Joe provides a strong value proposition for those focused on lawn health.

Customer Popularity

In terms of sales rank, the Sun Joe Dethatcher is significantly more popular, holding a bestseller rank of 1,870 compared to the RB mower’s rank of 20,912. This indicates greater consumer interest and acceptance, possibly due to its multifunctionality and effectiveness in lawn care. A higher sales rank often correlates with positive user reviews and satisfaction, making the Sun Joe a compelling choice for prospective buyers.

Which should you buy?

Choosing between the RB 9" Small Lawn Mower and the Sun Joe Corded Electric Dethatcher ultimately depends on your specific lawn care needs. If you prioritize a lightweight, easy-to-use mower for small spaces, the RB mower is an excellent option despite its higher price. However, if your focus is on enhancing lawn health through dethatching and aeration, the Sun Joe offers a more economical and versatile solution. Consider your lawn size, care requirements, and budget to make the best decision for your lawn maintenance strategy.