DEWALT Angle Grinder, 4. vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — DEWALT Angle Grinder, 4. leads on rpm and weight.
The DEWALT Angle Grinder offers superior power and features, making it ideal for heavy-duty tasks, while the RYOBI PCL445B is a more affordable and portable option for lighter jobs.
Why DEWALT Angle Grinder, 4. is better
Power
DEWALT has a stronger 11,000 RPM motor.
Durability
DEWALT features a Dust Ejection System.
Ease of Use
DEWALT includes a Quick-Change Wheel Release.
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Price
RYOBI is 43% cheaper.
Portability
RYOBI is cordless.
Weight
RYOBI is lighter and easier to handle.
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 4. | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Motor | 11 Amp | 18V Cordless |
| Speed | 11000 RPM | 9000 RPM |
| Warranty | 3 Years | None |
| Handle | Ergonomic | 3-Position |
| Dust Protection | Yes | No |
Dimension comparison
Overview of the DEWALT Angle Grinder and RYOBI PCL445B
The DEWALT Angle Grinder is priced at $94.00, while the RYOBI PCL445B is about 43% cheaper, priced at $54.00. Both tools cater to different user needs, making them popular choices in the angle grinder market. The DEWALT model boasts a robust 11 amp motor with 11,000 RPM, while the RYOBI features a slightly less powerful 9,000 RPM motor. Each grinder offers unique features that make them suitable for various applications, ensuring that users can find a tool that meets their specific requirements.
Power and Performance
The DEWALT Angle Grinder is equipped with a powerful 11 amp AC/DC motor that delivers 11,000 RPM, providing exceptional power for demanding tasks. In contrast, the RYOBI PCL445B features a slightly less potent motor with a maximum speed of 9,000 RPM. While both grinders are effective for most applications, the DEWALT’s superior power may be preferable for heavy-duty jobs, allowing for faster material removal and better performance on tougher materials. This performance difference is crucial for professionals who rely on high-output tools for their work.
Design and Ergonomics
The DEWALT Angle Grinder stands out with its ergonomic compact design and uniquely small gripping surface, which enhances user comfort during extended use. It also features an over-sized brush design that provides twice the brush life compared to previous models, promoting longevity. The RYOBI PCL445B, while also designed for user comfort, includes a 3-position side handle, allowing for maximum control during operation. Although both tools are designed with user comfort in mind, the DEWALT's features may appeal more to those who prioritize prolonged use without fatigue.
Durability and Build Quality
When it comes to durability, the DEWALT Angle Grinder features a Dust Ejection System that protects the motor from harmful dust and debris, enhancing the tool's lifespan. Additionally, it incorporates a die-cast metal gear case for added durability. The RYOBI PCL445B also boasts a die-cast metal gear case, ensuring it can withstand tough working conditions. However, the DEWALT's dust management system gives it a slight edge in protecting internal components, a critical factor for users working in dusty environments.
Ease of Use
Both the DEWALT Angle Grinder and the RYOBI PCL445B prioritize user-friendly features. The DEWALT model includes a Quick-Change Wheel Release for tool-free wheel removal, making it convenient to switch out accessories quickly. It also has a top-mounted spindle lock button for easy depth adjustments. The RYOBI features a spindle lock for quick accessory changes as well, but it requires additional equipment since the battery and charger are sold separately. For users who want a straightforward, hassle-free experience, the DEWALT may be the better option.
Portability and Power Source
The DEWALT Angle Grinder is a corded tool, which means it provides consistent power without the need for battery changes, making it ideal for heavy-duty use in a fixed location. On the other hand, the RYOBI PCL445B is a cordless model, which enhances portability and makes it suitable for use in various locations without being tethered to a power source. However, this convenience comes at the cost of needing a separate battery and charger, which could add to the overall expense and complexity for some users.
Pricing and Value
At $94.00, the DEWALT Angle Grinder is positioned as a premium tool with advanced features and higher power output. In contrast, the RYOBI PCL445B is priced at $54.00, making it about 43% cheaper. This significant price difference may appeal to budget-conscious consumers or those who do not require the higher performance of the DEWALT. However, it's essential to weigh the cost against the features and durability offered by each model to determine which provides better long-term value for your specific needs.
Which should you buy?
Ultimately, the choice between the DEWALT Angle Grinder and the RYOBI PCL445B depends on your specific needs and budget. If you require a powerful tool with advanced features for heavy-duty tasks, the DEWALT is worth the investment. However, if you prefer a more affordable, portable option for lighter jobs, the RYOBI may be the better fit. Both grinders have their strengths and cater to different user preferences, making either a solid choice depending on the application.

