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DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs Makita 9557PB 4-1/2" Paddle Switch Angle Grinder

Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on power and control, Makita 9557PB 4-1/2" Paddle Switch Angle Grinder wins on price and weight.

The DEWALT grinder excels in performance and advanced features, while the Makita offers great value at a lower price.

Why DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - is better

Power

DEWALT has a brushless motor delivering 1,640 MWO.

Speed Control

DEWALT features variable speed functionality.

Safety Features

DEWALT includes an anti-rotation system for added safety.

Why Makita 9557PB 4-1/2" Paddle Switch Angle Grinder is better

Price

Makita is significantly cheaper at $99.

Weight

Makita is lighter at 4.5 lbs.

Included Accessories

Makita comes with a complete accessory kit.

Overall score

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -
85
Makita 9557PB 4-1/2" Paddle Switch Angle Grinder
70

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -Makita 9557PB 4-1/2" Paddle Switch Angle Grinder
Motor TypeBrushlessBrushed
Max RPM900011000
WarrantyN/A1 Year
Weight5.6 lbs4.5 lbs
Speed ControlVariableLock-on

Dimension comparison

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -Makita 9557PB 4-1/2" Paddle Switch Angle Grinder

Overview of the DEWALT 20V MAX* XR Brushless Cordless Grinder

The DEWALT 20V MAX* XR Brushless Cordless Grinder is priced at $221.71, offering advanced features suited for professionals. This tool operates with a powerful brushless motor that delivers up to 1,640 MWO and can reach speeds of 9,000 RPM. Designed for versatility, it allows users to adjust wheel speed for optimal performance across various materials. With features like the anti-rotation system, it enhances user control, ensuring safety during operation. The DEWALT grinder is part of a robust line of 20V MAX* power tools, making it an appealing option for heavy-duty applications.

Overview of the Makita 9557PB Angle Grinder

The Makita 9557PB Angle Grinder comes at a significantly lower price of $99.00, making it about 55% cheaper than the DEWALT model. This grinder is powered by a 7.5 AMP motor, achieving a no-load speed of 11,000 RPM, which is ideal for high-output tasks. Its compact design, weighing only 4.5 lbs, ensures comfort during prolonged use. The grinder features labyrinth construction that protects the motor and bearings from contamination, enhancing durability. With a paddle switch for easy operation and a lock-on feature for continuous use, the Makita grinder is a solid choice for both casual and professional users.

Performance Comparison: Power and Speed

When it comes to performance, the DEWALT grinder offers a maximum speed of 9,000 RPM, while the Makita model outpaces it with a no-load speed of 11,000 RPM. This difference in speed can be crucial for tasks requiring quick material removal. However, the DEWALT’s brushless motor provides up to 1,640 MWO, offering more torque for heavy-duty applications compared to the Makita's powerful 7.5 AMP motor. Users may find the DEWALT better suited for tough jobs, especially when dealing with challenging materials that require fine control and consistent power.

Control and User Experience

User experience can greatly influence the choice between these two grinders. The DEWALT grinder features a variable speed functionality, allowing users to adjust the wheel speed according to the material being worked on. This adaptability is essential for achieving the best results. In contrast, the Makita grinder includes a lock-on/off feature, which is beneficial for continuous operation, especially during longer tasks. While both tools offer ergonomic designs, the DEWALT's anti-rotation system enhances safety by shutting down the tool if it senses excessive motion, providing an extra layer of protection for users.

Durability and Longevity

Durability is a key consideration for anyone investing in power tools. The DEWALT grinder is equipped with features designed to extend its life, such as being TOOL CONNECT chip ready, which can aid in asset management. While the Makita grinder also boasts a labyrinth construction that seals out contaminants, ensuring longevity, it lacks some of the advanced protective features found in the DEWALT model. Both tools are built to withstand rigorous use, but the DEWALT may offer a slight edge in terms of long-term reliability due to its innovative design and added safety features.

Included Accessories and Warranty

Both grinders come with essential accessories to enhance their functionality. The Makita 9557PB includes a grinding wheel, wrench, side handle, flange, and wheel guard, making it a complete package for immediate use. The DEWALT grinder is sold as a tool only, meaning users will need to purchase a battery and charger separately, which can add to the total cost. Additionally, Makita offers a 1-year limited warranty, which is standard for power tools, while specifics about the DEWALT warranty are not mentioned. This difference could affect buyer confidence, especially for those concerned about long-term support.

Price Comparison and Value for Money

The price difference between these two grinders is substantial, with the DEWALT priced at $221.71 and the Makita at $99.00, making the Makita about 55% less expensive. This significant gap raises questions about their value propositions. While the DEWALT offers advanced features and higher performance capabilities, the Makita provides excellent power and reliability at a much lower price point. For budget-conscious buyers or those who need a grinder for less demanding tasks, the Makita presents a more attractive option. However, for professionals who require the best in terms of performance and safety features, the DEWALT may justify its higher cost.

Which should you buy?

Choosing between the DEWALT 20V MAX* XR Brushless Cordless Grinder and the Makita 9557PB Angle Grinder ultimately depends on your specific needs and budget. If you require a high-performance tool for demanding applications and value advanced safety features, the DEWALT is worth the investment. However, if you're looking for a reliable grinder for lighter tasks without breaking the bank, the Makita is an excellent choice at a much lower price. Consider your usage frequency and project requirements to make the best decision for your tool collection.