DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM wins on durability and power, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on price and versatility.
The DEWALT Angle Grinder is a powerful tool for heavy-duty tasks, while the RYOBI PCL445B offers great value for lighter applications.
Why DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM is better
Power
DEWALT has a 13 Amp motor vs RYOBI's 18V motor.
Durability
DEWALT features sealed bearings for longevity.
Performance
DEWALT is better suited for heavy-duty applications.
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Price
RYOBI is significantly cheaper at $54.00.
Portability
RYOBI is cordless, making it easier to use in various locations.
Weight
RYOBI is lighter and easier to handle for quick tasks.
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Motor | 13 Amp | 18V |
| RPM | 8000 | 9000 |
| Guard | Adjustable | Tool-free |
| Handle | 2-position | 3-position |
| Weight | Heavy | Light |
| Corded/Cordless | Corded | Cordless |
Dimension comparison
Overview of the DEWALT Angle Grinder and RYOBI PCL445B
The DEWALT Angle Grinder is priced at $166.02, while the RYOBI PCL445B is about 67% cheaper at $54.00. This significant price difference reflects distinct features and intended usage for both grinders. The DEWALT model is a corded grinder, offering robust power for heavy-duty tasks, while the RYOBI grinder is a cordless option, ideal for lighter, more portable applications.
Design and Build Quality
The DEWALT Angle Grinder features a robust design that supports extensive usage, with a rear-handle grip for added control and comfort. Its durable construction is complemented by sealed ball and roller bearings that prevent debris from entering, enhancing longevity. Conversely, the RYOBI PCL445B is designed for versatility with a die-cast metal gear case that adds durability. However, it comes as a bare tool, meaning users must purchase batteries and chargers separately, which may affect its overall value.
Power and Performance
In terms of power, the DEWALT Angle Grinder boasts a 13 Amp motor delivering 8,000 RPM, providing substantial torque for grinding and cutting tasks. This high performance makes it suitable for heavy-duty applications. On the other hand, the RYOBI PCL445B features a powerful 18V motor capable of reaching up to 9,000 RPM, making it effective for quick material removal. While the RYOBI offers a slightly higher RPM, the DEWALT’s consistent power from a corded source may appeal to professionals needing uninterrupted performance.
Features and Usability
Both grinders are designed with user-friendly features. The DEWALT includes an adjustable guard that redirects sparks away from the user, enhancing safety during operation. Its spindle-lock button allows for quick wheel changes, which adds to its convenience. The RYOBI PCL445B also emphasizes usability with a tool-free adjustable guard and a spindle lock for easy accessory changes. Additionally, its three-position side handle allows for maximum control, making it user-friendly for various tasks.
Intended Use and Application
The DEWALT Angle Grinder is aimed at professionals and serious DIY enthusiasts who require a reliable tool for heavy-duty applications, such as metal grinding and cutting. Its performance and durability make it ideal for continuous use in demanding environments. In contrast, the RYOBI PCL445B is better suited for lighter projects and those who prioritize portability. Its cordless design makes it a convenient option for quick tasks without the hassle of cords, particularly in outdoor or remote locations.
Price and Value
With a price of $166.02, the DEWALT Angle Grinder is positioned as a premium tool, reflecting its heavy-duty capabilities and build quality. The average price over the last 90 days has been around $148.57, indicating a consistent market value. In comparison, the RYOBI PCL445B is priced at $54.00, with an average price of $49.67 over the past 90 days. This makes it about 67% less expensive than the DEWALT, appealing to budget-conscious consumers or those who need a grinder for less intensive tasks.
Sales Rank and Popularity
The DEWALT Angle Grinder has a sales rank of 60,043, suggesting it is well-regarded but may not be the top-selling model in its category. Conversely, the RYOBI PCL445B has a significantly better sales rank of 18,870, indicating a higher popularity among consumers, likely due to its affordability and versatility within the Ryobi ONE+ system.
Which should you buy?
Deciding between the DEWALT Angle Grinder and the RYOBI PCL445B ultimately depends on your specific needs. If you require a powerful, reliable tool for heavy-duty applications, the DEWALT, with its superior motor and durability, justifies the higher price. However, if you're looking for a budget-friendly, portable option for lighter tasks, the RYOBI offers excellent value without compromising on performance. Consider your project requirements and budget to make the best choice.

