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DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion

Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on power and features, Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion wins on price and weight.

The DEWALT grinder offers superior power and advanced features, while the Milwaukee grinder is a budget-friendly option with solid performance.

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

Power

DEWALT has a higher motor output at 1,640 MWO.

Features

DEWALT includes variable speed functionality.

Safety

DEWALT features an anti-rotation system.

Why Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion is better

Price

Milwaukee is $77.72 cheaper.

Weight

Milwaukee is lighter and easier to handle.

Compatibility

Milwaukee is compatible with all M18 batteries.

Overall score

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -
85
Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
75

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
Motor TypeBrushlessBrushless
RPM9000Not Specified
ClutchNoYes
Battery20V MAX*M18
WeightNot SpecifiedLightweight

Dimension comparison

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion

Overview of the DEWALT and Milwaukee Angle Grinders

The DEWALT 20V MAX XR Brushless Cordless Grinder is priced at $221.71, while the Milwaukee 2880-20 M18 Fuel Grinder is significantly cheaper at $143.99, making it about 35% less expensive. Both tools are designed for heavy-duty grinding tasks, but they each offer unique features that cater to different user preferences and job requirements.

Power and Performance

The DEWALT grinder boasts a powerful brushless motor that delivers up to 1,640 MWO and can reach speeds of 9,000 RPM. This performance is particularly beneficial for tackling tough jobs. Conversely, the Milwaukee grinder also features a brushless motor but emphasizes its electronic clutch for kickback protection. While exact power metrics for the Milwaukee are not specified, the emphasis on safety features suggests it is designed for user-friendly operation, especially during demanding tasks.

User Control and Comfort

When it comes to user control, the DEWALT grinder offers variable speed functionality, allowing users to adjust the wheel speed to suit different materials and applications. This feature can optimize performance across various tasks. On the other hand, the Milwaukee grinder includes an anti-vibration side handle, which enhances user comfort and safety during extended use. This focus on ergonomics caters to users who may operate the tool for prolonged periods, potentially reducing fatigue.

Safety Features

Safety is a prominent aspect of both grinders. The DEWALT grinder incorporates an anti-rotation system that shuts down the tool if excessive rotational motion is detected. This feature can prevent accidents and ensure safer operation. Meanwhile, the Milwaukee grinder’s electronic clutch is designed to protect against kickback, which may be advantageous for users concerned about sudden tool movements. Both designs reflect a commitment to user safety, but they approach it through different technological solutions.

Compatibility and Connectivity

The DEWALT grinder is part of the 20V MAX* system and is TOOL CONNECT chip ready, allowing for asset management through a dedicated app (chip sold separately). This connectivity feature can be a game-changer for professionals who need to track multiple tools. In contrast, the Milwaukee grinder is compatible with all M18 batteries, enhancing its versatility for users who already own Milwaukee products. This compatibility ensures that users can maximize their investment in battery systems.

Portability and Convenience

Both grinders are designed for portability, but the Milwaukee grinder stands out with its lightweight design and no-lock paddle switch. This feature allows for quick, easy operation without the need for a locking mechanism, promoting convenience. The DEWALT grinder, while slightly heavier, offers robust performance that may justify its weight for users needing high power. The choice between them may depend on whether a user prioritizes ease of use or raw performance.

Price Comparison

The price difference between the two grinders is significant, with the Milwaukee grinder at $143.99 and the DEWALT grinder at $221.71. This makes the Milwaukee grinder about 35% cheaper, which may appeal to budget-conscious buyers or those seeking good value without compromising essential features. Despite its lower price, the Milwaukee grinder does not skimp on quality, as indicated by its bestseller rank of 6,936, showing strong market performance.

Which should you buy?

Ultimately, the decision between the DEWALT 20V MAX XR Brushless Cordless Grinder and the Milwaukee 2880-20 M18 Fuel Grinder depends on your specific needs and preferences. The DEWALT offers superior power and advanced features like variable speed control, making it ideal for professional users who require high performance. However, if you're looking for a more budget-friendly option with solid safety features and good compatibility, the Milwaukee grinder is an excellent choice. Its lower price point and ease of use make it appealing for both DIY enthusiasts and professionals alike.