DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs DEWALT Angle Grinder, 4.
Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - leads on power and length.
The DEWALT 20V MAX XR Brushless Grinder offers advanced features and versatility, while the DEWALT Angle Grinder is a budget-friendly option with solid performance.
Why DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - is better
Power
Higher torque and variable speed control
Versatility
Compatible with other DEWALT tools
Features
Includes wireless tool control system
Why DEWALT Angle Grinder, 4. is better
Price
Significantly cheaper option
Weight
Lighter and more compact design
Speed
Higher RPM for faster material removal
Overall score
Specifications
| Spec | DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - | DEWALT Angle Grinder, 4. |
|---|---|---|
| Motor Type | Brushless | AC/DC |
| No-Load Speed | 9000 RPM | 11000 RPM |
| Power Rating | 1640 MWO | 11 Amp |
| Paddle Switch | Yes | Yes |
| Dust Protection | Anti-Rotation | Dust Ejection |
Dimension comparison
Overview of the DEWALT Grinders
The DEWALT 20V MAX XR Brushless Cordless Grinder is a powerful cordless option, while the DEWALT Angle Grinder presents a more traditional electric grinder experience. The cordless model retails for $221.71, whereas the electric grinder is priced at $94.00, making it about 57% cheaper than its cordless counterpart. Each grinder is designed for specific user needs and preferences, and understanding their features can help you make an informed decision.
Power and Performance
The DEWALT 20V MAX XR Brushless Grinder delivers a robust performance with a brushless motor that provides up to 1,640 MWO and a no-load speed of 9,000 RPM. This is particularly advantageous for heavy-duty tasks requiring sustained power. In contrast, the DEWALT Angle Grinder features an 11 amp motor that reaches speeds of 11,000 RPM. While both tools are powerful, the electric grinder offers a higher RPM, which can be beneficial for projects demanding faster material removal.
Design and Ergonomics
The design of both grinders caters to user comfort but in different ways. The DEWALT 20V MAX XR Brushless Grinder has a variable speed functionality, allowing for adjustments based on the material being worked on. This feature, combined with its paddle switch, enhances user control. The DEWALT Angle Grinder, on the other hand, boasts an ergonomic compact design with a uniquely small gripping surface for maximum comfort. It also features a paddle switch with a safety lock-off, which helps prevent accidental start-ups, ensuring safer operation.
Versatility and Functionality
Versatility is a strong point for both models. The DEWALT 20V MAX XR Brushless Grinder is part of the 20V MAX line, allowing compatibility with other DEWALT tools, enhancing its functionality across various applications. It also includes a wireless tool control system that can work with compatible DEWALT dust extractors, providing added convenience. The DEWALT Angle Grinder offers a one-touch guard for 360-degree rotation and a quick-change wheel release for easy adjustments, making it practical for different grinding tasks.
Durability and Maintenance
Durability is a crucial aspect for any tool, and both grinders offer features that enhance their longevity. The DEWALT 20V MAX XR Brushless Grinder includes an anti-rotation system that shuts down the tool if excessive rotational motion is detected, which can prevent potential damage during operation. The DEWALT Angle Grinder is equipped with a dust ejection system that prevents damaging dust and debris from entering the tool, contributing to its overall durability. Additionally, it has auto-off brushes that shut the tool down when the brushes need replacing, preventing further damage.
Pricing and Value
When it comes to pricing, the DEWALT 20V MAX XR Brushless Grinder is listed at $221.71, while the DEWALT Angle Grinder is significantly more affordable at $94.00. This price difference of about $127.71 makes the electric model a highly attractive option for those on a budget or for casual users who may not need the advanced features of the cordless grinder. However, for professionals who require the mobility and advanced capabilities of a cordless tool, the investment in the DEWALT 20V MAX XR Grinder may be justified.
Sales Rank and Popularity
In terms of popularity, the DEWALT Angle Grinder has a sales rank of 3,735, indicating strong demand among users. The DEWALT 20V MAX XR Brushless Grinder has a sales rank of 19,912, which is relatively lower. This discrepancy suggests that the electric grinder may be preferred by a larger segment of consumers, especially those who prioritize immediate power and cost-effectiveness over the versatility of a cordless option.
Which should you buy?
Choosing between the DEWALT 20V MAX XR Brushless Grinder and the DEWALT Angle Grinder ultimately depends on your specific needs. If you require a powerful, versatile tool for heavy-duty tasks and don’t mind spending more, the cordless model is a solid choice, providing features that enhance control and efficiency. Conversely, if you're looking for a budget-friendly option with solid performance for general grinding tasks, the electric grinder stands out as a practical selection. Consider your budget, the nature of your projects, and whether you value portability over immediate power when making your decision.

