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

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

The DEWALT grinder offers advanced features and performance, while the Makita provides excellent value for budget-conscious users.

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

Power

DEWALT has a brushless motor for better performance.

Features

DEWALT includes variable speed and anti-rotation system.

Durability

DEWALT has advanced protective features for longevity.

Why Makita 9557NB 4-1/2" Angle Grinder is better

Price

Makita is significantly cheaper.

Weight

Makita is lighter and easier to handle.

Included Kit

Makita comes with a complete accessory kit.

Overall score

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

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -Makita 9557NB 4-1/2" Angle Grinder
Motor TypeBrushlessBrushed
RPM900011000
Variable SpeedYesNo
Anti-RotationYesNo
Included AccessoriesTool OnlyComplete Kit

Dimension comparison

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

Overview of the DEWALT and Makita Grinders

When comparing the DEWALT 20V MAX* XR Brushless Cordless Grinder and the Makita 9557NB Angle Grinder, the essential takeaway is that both tools are designed for efficiency but target different user needs and preferences. The DEWALT grinder is a powerful cordless option that retails at $221.71, while the Makita grinder is a more budget-friendly option priced at $84.01. This price difference of about 63% reflects their distinct features and intended uses.

Power and Performance

The DEWALT grinder offers a powerful brushless motor that delivers up to 1,640 MWO and a no-load speed of 9,000 RPM, making it suitable for a variety of tough applications. In contrast, the Makita grinder features a 7.5 AMP motor that produces a higher no-load speed of 11,000 RPM, which allows for quick grinding tasks. While the Makita's RPM is higher, the DEWALT's brushless technology is designed to provide longer tool life and better performance under load. This aspect may appeal more to professionals who often tackle demanding jobs.

Weight and Ergonomics

The DEWALT grinder is a cordless tool, allowing for greater mobility without the constraints of a power cord, which is a significant advantage in various job sites. However, the Makita grinder weighs only 4.5 lbs and has a compact design, making it easier to handle for extended periods. The lightweight nature of the Makita, along with its small barrel grip, enhances user comfort, especially for those who prioritize maneuverability in tight spaces.

User Control Features

For user control, the DEWALT grinder includes variable speed functionality that allows users to adjust the wheel speed based on the application. This feature is particularly useful for optimizing performance across different materials. Additionally, it is equipped with an anti-rotation system that senses excessive motion and shuts the tool down, providing an added layer of safety. The Makita grinder, while lacking variable speed, features an AC/DC switch for flexibility with alternative power sources. This may appeal to users who frequently switch between power types.

Durability and Maintenance

Durability is a critical factor for any power tool. The DEWALT grinder is designed with features that protect it from wear and tear, including a TOOL CONNECT chip for asset management and a wireless tool control system. This ensures that it remains operational in tough conditions. On the other hand, the Makita grinder is built with a protective zig-zag varnish that seals the armature from dust and debris, thereby extending its life. Both tools have their unique protective features, but the DEWALT's advanced technology may offer a more comprehensive solution for long-term use.

Included Accessories

The DEWALT grinder is sold as a tool-only option, which means that users must purchase the battery and charger separately. This could lead to additional costs for those who do not already own compatible DEWALT batteries. Conversely, the Makita grinder comes with a complete kit that includes a grinding wheel, wheel guard, lock nut, side handle, and wrench. This convenience makes the Makita grinder a more attractive option for those looking for an all-in-one solution without needing to invest in extra components.

Sales Ranking and Market Position

In terms of market performance, the DEWALT grinder holds a sales rank of 19,912, indicating a strong position among power tools, whereas the Makita grinder has a sales rank of 74,761. This significant difference in ranking suggests that the DEWALT grinder is a more popular choice among consumers, likely due to its advanced features and brand reputation in the professional market. However, the Makita's lower price point may attract budget-conscious buyers, influencing its sales dynamics differently.

Which should you buy?

Deciding between the DEWALT 20V MAX* XR Brushless Grinder and the Makita 9557NB Angle Grinder ultimately comes down to your specific needs and budget. If you're looking for a powerful, feature-rich tool designed for heavy-duty applications, the DEWALT grinder is worth the investment at $221.71. However, if your needs are more basic or you're looking for a reliable grinder at a significantly lower cost of $84.01, the Makita grinder offers excellent value with its ease of use and included accessories. Each tool has its unique advantages, making it essential to evaluate your own requirements before making a purchase.