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DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ vs RhovixStar Brushless Angle Grinder Cordless, 3/

Updated July 2026 — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ wins on price and weight, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on rank and speed.

The DEWALT 20V MAX Angle Grinder offers superior safety features and performance, while the RhovixStar provides excellent value and versatility for casual users.

Why DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ is better

Safety Features

DEWALT has a kickback brake system.

Performance

DEWALT has a higher sales rank.

Brand Reputation

DEWALT is a well-known professional brand.

Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better

Price

RhovixStar is significantly cheaper.

Included Accessories

RhovixStar comes with two batteries and a charger.

Versatility

RhovixStar has adjustable speed settings.

Overall score

DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/
85
RhovixStar Brushless Angle Grinder Cordless, 3/
70

Specifications

SpecDEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/RhovixStar Brushless Angle Grinder Cordless, 3/
Motor TypeBrushlessBrushless
Kickback BrakeYesNo
Variable SpeedNoYes
Battery IncludedNoYes
Warranty3 Years1 Year

Dimension comparison

DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/RhovixStar Brushless Angle Grinder Cordless, 3/

Overview of the DEWALT 20V MAX Angle Grinder

The DEWALT 20V MAX Angle Grinder Tool is priced at $249.00, making it a premium option in the cordless angle grinder market. This grinder is designed for both professional and DIY use, featuring a brushless motor that ensures longer motor life and eliminates the need for brush changes. The DEWALT model is well-rated, holding a sales rank of 1826, indicating its popularity among consumers.

The grinder is engineered for safety and efficiency, with a kickback brake that stops the wheel in 2 seconds or less. This feature reduces kickback and enhances user protection during operation. Additionally, the E-Switch Protection prevents accidental restarts, ensuring safety after power outages. Overall, the DEWALT offers a robust performance suited for heavy-duty tasks.

Overview of the RhovixStar Brushless Angle Grinder

The RhovixStar Brushless Angle Grinder is significantly more affordable, priced at just $65.99. This grinder is also designed for versatility, capable of tackling various tasks such as cutting, grinding, and polishing. Although its sales rank of 47285 suggests it is less popular than the DEWALT, it offers features that cater to a broad range of users.

Equipped with a powerful brushless motor, the RhovixStar provides a longer lifespan and reduced energy consumption. It has four adjustable speed settings, reaching up to 9000 RPM, which makes it suitable for different applications. Additionally, this model comes with two batteries and various accessories, enhancing its value for users looking to maximize their investment.

Performance Comparison

When comparing performance, the DEWALT stands out with its superior kickback brake system, which enhances safety during operation. The DEWALT grinder stops the wheel extremely quickly, minimizing the risk of injury. In contrast, while the RhovixStar offers a robust motor and adjustable speed settings, it does not highlight any specific safety features equivalent to the DEWALT’s kickback brake.

The RhovixStar’s variable speed settings make it versatile, allowing users to adjust the RPM according to the task at hand. However, the DEWALT’s overall design focuses more on safety and efficient stopping power, making it ideal for heavy-duty applications. Performance-wise, the DEWALT may be better suited for professionals, while the RhovixStar offers flexibility for casual users.

Battery and Power Supply

The DEWALT angle grinder operates on a 20V battery, but it is sold as a tool only, meaning the battery and charger must be purchased separately. This can increase the overall cost, particularly for users who do not already own DEWALT batteries.

On the other hand, the RhovixStar comes with two 20V 4.0Ah batteries, providing a long runtime and eliminating the need for additional purchases. This bundled offering makes the RhovixStar a more economical choice for users who want a complete package without extra expenses. The ability to operate cordlessly is a significant advantage for both models, but the RhovixStar provides immediate usability right out of the box.

Design and Ergonomics

The DEWALT grinder features an ergonomic design focused on user comfort and control, with a paddle switch that is easy to operate. The kickback brake system adds to the overall user-friendly experience by providing peace of mind during operation.

Conversely, the RhovixStar boasts an adjustable handle, making it suitable for both left-handed and right-handed users. This ergonomic consideration can be crucial for longer projects, as it reduces wrist fatigue. While both grinders are designed for comfort, the design philosophy differs; DEWALT prioritizes safety alongside comfort, whereas RhovixStar emphasizes versatility for different user preferences.

Accessories and Additional Features

The DEWALT grinder primarily focuses on core performance and safety features, with no included accessories since it is sold as a standalone tool. This may be a drawback for some users who prefer a more comprehensive starter kit.

In contrast, the RhovixStar provides an extensive kit that includes two batteries, a fast charger, various wheels, and a wrench. This inclusion of accessories adds significant value, especially for users new to angle grinders. The comprehensive package positions the RhovixStar as an attractive option for those seeking a complete solution without needing to purchase additional components.

Price Comparison

The price difference between the DEWALT and the RhovixStar is substantial, with the DEWALT priced at $249.00 compared to the RhovixStar’s $65.99. This makes the RhovixStar about 73% cheaper than the DEWALT, which may be a significant consideration for budget-conscious consumers or those who require a tool for occasional use rather than professional application.

While the DEWALT model offers advanced features and robust safety mechanisms, the price reflects its premium positioning in the market. The RhovixStar, with its lower price point, provides an accessible entry into the world of cordless angle grinders, especially for those who may not require the heavy-duty capabilities of the DEWALT model.

Which should you buy?

Choosing between the DEWALT 20V MAX Angle Grinder and the RhovixStar Brushless Angle Grinder ultimately depends on your specific needs and budget. If you are a professional or someone who often engages in heavy-duty tasks, the DEWALT may be worth the investment due to its advanced safety features and high performance. However, if you are a casual user or a DIY enthusiast looking for a versatile and economical option, the RhovixStar offers excellent value with its included accessories and lower price.