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DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM vs Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled

Updated July 2026 — DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM wins on durability and power, Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled wins on portability and price.

The DEWALT Angle Grinder offers superior power and durability, making it the better choice for heavy-duty tasks, while the Ryobi provides portability at a lower price.

Why DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM is better

Power

DEWALT has a stronger 11 Amp motor.

Durability

DEWALT features a Dust Ejection System.

User Features

DEWALT includes a Quick-Change Wheel release.

Why Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled is better

Price

Ryobi is 37% cheaper.

Portability

Ryobi is cordless for easier mobility.

Compatibility

Ryobi works with the ONE+ system.

Overall score

DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM
85
Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled
70

Specifications

SpecDEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPMRyobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled
Motor Power11 AmpNot specified
RPM11,000Not specified
Corded/CordlessCordedCordless
Dust EjectionYesNo
WeightNot specifiedNot specified

Dimension comparison

DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPMRyobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled

Overview of the DEWALT Angle Grinder

The DEWALT Angle Grinder is a corded tool designed for efficient material removal and durability. Priced at $99.00, it features an 11 Amp motor capable of reaching 11,000 RPM, making it a powerful choice for serious users. The grinder also includes a Dust Ejection System that helps maintain the tool's longevity by clearing harmful debris from the air intake vents. With a bestseller rank of 38,136, it is a popular option among DIY enthusiasts and professionals alike.

Overview of the Ryobi Cordless Angle Grinder

The Ryobi 5133001903 R18AG-0 is a cordless angle grinder, making it a convenient choice for those who prefer mobility. At a price of $62.29, it is about 37% cheaper than the DEWALT model. While its features are not as extensively detailed, it is marketed under the ONE+ system, which allows for compatibility with other Ryobi tools. With a bestseller rank of 20,989, it appeals to users looking for versatility in their tool collection.

Power and Performance Comparison

When it comes to power, the DEWALT Angle Grinder significantly outperforms the Ryobi model. The DEWALT's 11 Amp motor delivers a robust performance at 11,000 RPM, making it suitable for heavy-duty tasks. In contrast, the Ryobi grinder's specifications are less defined, focusing more on its cordless capabilities. Users who require high efficiency for demanding jobs may find the DEWALT a more reliable choice due to its superior motor performance.

Portability and Convenience

The Ryobi Cordless Angle Grinder excels in portability, as it eliminates the need for a power outlet. This feature is particularly beneficial for users working in remote locations or on outdoor projects. The DEWALT, being corded, requires proximity to a power source, which may limit its usability in certain situations. For those prioritizing convenience in mobility, the Ryobi model stands out as the clear winner.

Durability Features

The DEWALT Angle Grinder is designed with durability in mind, featuring a Dust Ejection System that actively removes debris from the tool's interior. This system helps extend the grinder's lifespan, making it a dependable choice for long-term use. The Ryobi grinder, while versatile, does not mention specific durability features, which could be a consideration for users who prioritize longevity in their tools. For users who focus on durability, the DEWALT offers a more robust solution.

User Experience and Usability

The DEWALT Angle Grinder comes with several user-friendly features, including a Quick-Change Wheel release that allows for tool-free wheel changes and a One-Touch Guard that enables 360-degree rotation with ease. These features enhance the user experience by providing convenience and safety. The Ryobi Cordless Angle Grinder, while easy to use, lacks these detailed features, making the DEWALT a more user-oriented choice for those who value ease of operation.

Price Comparison

The DEWALT Angle Grinder is priced at $99.00 and offers a range of features that cater to serious users. In contrast, the Ryobi model, at $62.29, is approximately 37% less expensive. This price difference may attract budget-conscious consumers or those who need a grinder for occasional use. However, it is essential to weigh the price against the performance and features offered by each tool, as the DEWALT may justify its higher cost with its superior capabilities.

Which should you buy?

Choosing between the DEWALT Angle Grinder and the Ryobi Cordless Angle Grinder depends on your specific needs. If you require a powerful, durable tool for heavy-duty tasks, the DEWALT, with its superior motor and durability features, is the better choice despite its higher price. On the other hand, if mobility and lower cost are your top priorities, the Ryobi grinder offers a practical solution. Ultimately, your decision should be based on the balance between power, usability, and budget.