DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM leads on price and weight.
The DEWALT Angle Grinder offers superior performance and durability, making it the better choice for demanding tasks, while the RYOBI PCL445B is a more affordable and portable option for lighter jobs.
Why DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM is better
Higher RPM
DEWALT has 11,000 RPM vs RYOBI's 9,000 RPM
Dust Protection
DEWALT features a Dust Ejection System
Tool-Free Changes
DEWALT has Quick-Change Wheel release
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Lower Price
RYOBI is priced at $54.00
Cordless Design
RYOBI offers greater portability
Lightweight
RYOBI is easier to handle for light tasks
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Power Source | Corded | Cordless |
| Handle Type | Side Handle | 3-Position Handle |
| Guard Type | One-Touch | Adjustable |
| Battery Included | No | No |
| Warranty | 3 Years | 3 Years |
Dimension comparison
Overview of the DEWALT Angle Grinder
The DEWALT Angle Grinder is a corded model that offers robust performance at $99.00. This grinder features an 11 Amp motor capable of up to 11,000 RPM, designed for rapid material removal and increased overload protection. The tool's Dust Ejection System enhances durability by preventing debris from entering the motor, making it a reliable choice for heavy-duty tasks. With a sales rank of 38,136, it's a popular option among users seeking a powerful corded grinder.
Overview of the RYOBI PCL445B ONE+ Angle Grinder
The RYOBI PCL445B ONE+ is a cordless angle grinder priced at $54.00, making it about 45% cheaper than the DEWALT model. This grinder operates on an 18V battery, which is sold separately, and has a maximum speed of 9,000 RPM. It also features a die-cast metal gear case for increased durability and a 3-position side handle for better control. With a sales rank of 18,870, it appeals to those looking for a versatile and portable option.
Performance Comparison
In terms of performance, the DEWALT Angle Grinder outshines the RYOBI model, boasting a higher RPM of 11,000 compared to RYOBI's 9,000. This translates to faster material removal, which is critical for more demanding projects. On the other hand, the RYOBI's cordless design offers flexibility and ease of use in various locations without being tethered to a power outlet, which can be a significant advantage for outdoor tasks or in tight spaces.
Durability Features
Durability is a strong point for both grinders, but they take different approaches. The DEWALT Angle Grinder includes a Dust Ejection System designed to protect the motor from harmful debris, enhancing the tool's lifespan. In contrast, the RYOBI PCL445B features a die-cast metal gear case that offers resilience against wear and tear. While both models are built for longevity, the DEWALT's dust protection may provide an edge in dusty environments.
Ease of Use
When it comes to ease of use, the DEWALT Angle Grinder has a Quick-Change Wheel release that allows for tool-free wheel changes, streamlining the process of switching between accessories. Additionally, its One-Touch Guard enables 360-degree rotation with a single action, making it user-friendly. The RYOBI grinder also emphasizes ease of use with a spindle lock for quick accessory changes and an adjustable guard; however, the lack of a built-in battery may add extra steps for users who need to manage battery charging.
Portability
Portability is a significant factor when comparing these two models. The RYOBI PCL445B's cordless design allows for greater mobility, enabling users to work in areas without power outlets. This makes it ideal for jobs in remote locations or outdoor settings. Conversely, the DEWALT Angle Grinder requires a power source, which may limit its usability in certain environments, though it remains a strong choice for stationary work where power is readily available.
Price Comparison
Price is a crucial aspect of any purchasing decision. The DEWALT Angle Grinder retails for $99.00, while the RYOBI PCL445B is available for $54.00. This makes the RYOBI grinder about 45% cheaper than its DEWALT counterpart. For budget-conscious consumers or those who may not require the higher performance of the DEWALT model, the RYOBI presents a compelling option without sacrificing essential features.
Which should you buy?
Choosing between the DEWALT Angle Grinder and the RYOBI PCL445B ONE+ ultimately depends on your specific needs. If you prioritize high performance and durability in demanding tasks, the DEWALT’s superior RPM and protective features justify its higher price. However, if you seek a cost-effective and portable solution for lighter jobs, the RYOBI grinder is an excellent choice, offering solid performance at a significantly lower price point.

