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DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp

Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on power and durability, DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp wins on price and speed.

The DEWALT 20V MAX* XR Brushless Grinder offers superior performance and features, making it the better choice for demanding tasks, while the DEWALT Angle Grinder Tool is a budget-friendly option for simpler jobs.

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

Power

Brushless motor delivers up to 1,640 MWO.

Versatility

Variable speed functionality for various materials.

Technology

Includes TOOL CONNECT for tracking and management.

Why DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp is better

Price

More affordable at $88.98.

Simplicity

One-Touch Guard for easy adjustments.

Weight

Lightweight design for easier handling.

Overall score

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -
85
DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp
70

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp
Motor TypeBrushless7-Amp
Max RPM900012000
CordlessYesNo
Guard AdjustmentManualOne-Touch
Tool ConnectYesNo

Dimension comparison

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp

Overview of DEWALT Angle Grinders

When comparing the DEWALT 20V MAX* XR Brushless Cordless Grinder and the DEWALT Angle Grinder Tool, the first takeaway is the significant difference in power types and capabilities. The 20V MAX* XR Brushless model is a cordless tool designed for versatility and high-performance tasks, while the 4-1/2-Inch, 7-Amp Angle Grinder is a corded option focused on fast material removal. Both tools are part of the DEWALT brand, known for its reliability and innovation in the power tool sector.

The DEWALT 20V MAX* XR Brushless Cordless Grinder (priced at $221.71) is part of DEWALT's most powerful line and features a brushless motor capable of delivering up to 1,640 MWO and 9,000 RPM, making it suitable for demanding applications. In contrast, the DEWALT Angle Grinder Tool (priced at $88.98) has a 7-amp motor that operates at 12,000 RPM, which is effective for quicker material removal in less demanding tasks.

Power and Performance

The most notable difference between these two grinders lies in their performance capabilities. The DEWALT 20V MAX* XR Brushless Grinder boasts a brushless motor that adapts to various materials, offering variable speed functionality to optimize control and performance, which is particularly beneficial for professionals tackling tough jobs. Its maximum no-load speed of 9,000 RPM allows users to adjust the wheel speed based on specific project needs.

On the other hand, the DEWALT Angle Grinder Tool operates on a 7-amp motor that runs at a maximum speed of 12,000 RPM. While this motor provides faster material removal, it lacks the versatility of the brushless model. The performance differences suggest that if you require a tool for various applications, the 20V MAX* XR Brushless Grinder may be better suited for your needs.

Price Comparison

Cost is a crucial factor when choosing between these two models. The DEWALT 20V MAX* XR Brushless Grinder retails at $221.71, making it about 149% more expensive than the DEWALT Angle Grinder Tool, which is priced at $88.98. This price difference reflects the additional features and cordless functionality of the XR Brushless Grinder, which may justify the investment for professional users who require portability and high performance on the job site.

However, for those working on lighter tasks or who need a reliable tool without the extra bells and whistles, the DEWALT Angle Grinder Tool offers a more budget-friendly option without sacrificing essential performance.

Ease of Use

When it comes to user experience, both grinders have unique features that enhance usability. The DEWALT 20V MAX* XR Brushless Grinder includes an anti-rotation system designed to shut down the tool if excessive rotational motion is detected. This safety feature is particularly advantageous for users who may encounter unpredictable situations during operation.

Conversely, the DEWALT Angle Grinder Tool is designed for simplicity with its One-Touch Guard, allowing for quick adjustments without needing additional tools or complicated mechanisms. This feature can save time and enhance efficiency, particularly for users who frequently change tasks and need to reposition the guard.

Tool Connect and Compatibility

The DEWALT 20V MAX* XR Brushless Grinder is equipped with TOOL CONNECT technology, which enables users to track and manage their tools through a dedicated app. This feature is especially beneficial for professionals managing multiple tools and projects, ensuring they can monitor usage and location efficiently. However, it does require purchasing a TOOL CONNECT chip separately.

In contrast, the DEWALT Angle Grinder Tool does not feature this smart technology. It is a straightforward tool that provides solid performance without the added complexity of connectivity features. This can be appealing to users who prefer traditional tools without the need for smart technology.

Durability and Design

Durability is a key consideration for power tools, and both models exhibit robust designs suitable for heavy-duty use. The DEWALT 20V MAX* XR Brushless Grinder is part of DEWALT's best-performing line, designed to withstand rigorous applications and offer longevity for professional users. Its brushless motor also contributes to increased durability by reducing wear over time.

On the other hand, the DEWALT Angle Grinder Tool features a low-profile, jam-pot gear case that enhances durability and allows the tool to fit into tight spaces. This design is beneficial for users working in confined areas, making the tool versatile for various job types.

Weight and Portability

Weight and portability play critical roles in a tool's usability, particularly for professionals who need to carry their equipment to different job sites. The DEWALT 20V MAX* XR Brushless Grinder, being cordless, offers the advantage of mobility without the constraints of power cords. This makes it a convenient choice for outdoor work or locations without easy access to power outlets.

In contrast, the DEWALT Angle Grinder Tool is corded, which may limit its portability but can provide consistent power for extended use. The weight of the tools can also impact user fatigue during prolonged tasks, and while specific weights aren’t provided, the ergonomic design of both models aims to enhance comfort during operation.

Which should you buy?

Choosing between the DEWALT 20V MAX* XR Brushless Grinder and the DEWALT Angle Grinder Tool ultimately depends on your specific needs and budget. If you value portability, advanced features, and the ability to tackle a wide variety of tasks, the DEWALT 20V MAX* XR Brushless Grinder is the better option, despite its higher price of $221.71. Conversely, if you are looking for a reliable, budget-friendly option primarily for straightforward material removal tasks, the DEWALT Angle Grinder Tool at $88.98 is an excellent choice.