DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch wins on rpm and power, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on price.
The DEWALT Angle Grinder offers superior performance and features compared to the RYOBI PCL445B, making it the better choice for demanding tasks.
Why DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch is better
Higher RPM
DEWALT operates at 12,000 RPM vs RYOBI's 9,000 RPM
Power
DEWALT has a 7 amp motor compared to RYOBI's less powerful motor
User Features
DEWALT includes One-Touch Guard for easy adjustments
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Price
RYOBI is priced at $54.00, cheaper than DEWALT's $69.00
Cordless
RYOBI offers cordless convenience for portability
Weight
RYOBI is lighter due to its cordless design
Overall score
Specifications
| Spec | DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Motor | 7 amp | 18V |
| Max RPM | 12,000 | 9,000 |
| Guard Adjustment | One-Touch | Tool-free |
| Side Handle | 2-position | 3-position |
| Weight | 10 lbs | 8 lbs |
Dimension comparison
Overview of the DEWALT Angle Grinder
The DEWALT Angle Grinder is a powerful tool designed for efficient material removal, featuring a 7 amp motor that operates at up to 12,000 RPM. This grinder’s performance is suitable for both professional and DIY tasks, offering high overload protection and quick operation. The current price for this model is $69.00, with a 90-day average price of $85.54, making it a solid investment for those who frequently engage in grinding tasks.
The DEWALT grinder boasts several user-friendly features, such as the One-Touch Guard that allows for easy adjustments without the need for additional tools. Its ergonomic body design enhances comfort during extended use, while the quick-change wheel release enables effortless wheel swaps. This model is ranked 6,607 in sales, indicating its popularity among users.
Overview of the RYOBI PCL445B Angle Grinder
The RYOBI PCL445B is an 18V cordless angle grinder that emphasizes portability and ease of use. Priced at $54.00, it is about 17% cheaper than the DEWALT model, making it an attractive option for budget-conscious buyers. With a powerful motor that reaches speeds of 9,000 RPM, it is capable of rapid material removal, although it operates at a lower maximum speed compared to the DEWALT grinder.
This model features a three-position side handle that provides enhanced control during operation, along with a die-cast metal gear case for added durability. However, it's worth noting that the battery and charger are sold separately, which can increase the overall investment if you do not already own compatible Ryobi batteries. The RYOBI PCL445B currently holds a sales rank of 18,870.
Performance Comparison
In terms of performance, the DEWALT Angle Grinder outshines the RYOBI PCL445B with its higher RPM capability of 12,000 compared to Ryobi’s 9,000 RPM. This difference translates to faster material removal, making the DEWALT grinder more suitable for heavy-duty tasks. The 7 amp motor of the DEWALT model provides substantial power, which is particularly important for demanding applications.
Conversely, while the RYOBI’s motor is slightly less powerful, it still delivers respectable performance for various grinding tasks. The cordless design enhances mobility, allowing users to work in areas without easy access to power outlets. However, the trade-off is that users must invest in additional batteries and chargers, potentially increasing the overall cost of ownership.
Features and Usability
The DEWALT Angle Grinder incorporates several user-friendly features that enhance usability. Its One-Touch Guard is a standout, allowing for quick adjustments of the guard without the need for tools. This feature, along with the quick-change wheel release, ensures that users can efficiently switch tasks without unnecessary downtime.
On the other hand, the RYOBI PCL445B also offers convenient usability features, such as a spindle lock that simplifies accessory changes. Additionally, its three-position side handle allows for maximum control, catering to various user preferences. However, the need for separate battery purchases could complicate the user experience, especially for those new to the Ryobi ONE+ system.
Design and Build Quality
When it comes to design and build quality, both grinders present strong offerings. The DEWALT model features a slim, ergonomic body design that provides comfort during extended use. Its robust construction is suited for demanding environments, making it a favored choice among professionals.
In contrast, the RYOBI PCL445B's die-cast metal gear case adds to its durability, making it a reliable choice for everyday tasks. Nevertheless, the overall bulkiness of a cordless grinder can pose challenges in terms of maneuverability compared to the more compact design of the DEWALT grinder. Users seeking a lightweight and easily manageable tool might prefer the DEWALT model for its superior ergonomic features.
Price Comparison
The DEWALT Angle Grinder is priced at $69.00, while the RYOBI PCL445B is available for $54.00, making the latter about 17% cheaper. This price difference can be significant for budget-conscious buyers or those who only require a grinder for occasional use. However, potential customers should also consider the long-term investment of each tool, particularly the costs associated with purchasing Ryobi batteries and chargers separately.
While the lower initial cost of the RYOBI model may be appealing, buyers should assess whether the additional investment in batteries will fit their budget and needs. The DEWALT model, while more expensive upfront, offers a complete package with no hidden costs related to power supply.
Customer Feedback and Popularity
The DEWALT Angle Grinder enjoys a better sales ranking at 6,607, indicating a higher level of customer satisfaction and trust in its performance. Users frequently praise its ease of use, durability, and powerful motor, making it a popular choice for both professionals and DIY enthusiasts.
In contrast, the RYOBI PCL445B holds a sales rank of 18,870, suggesting it may not be as widely adopted or favored among users. Although it has positive reviews for its cordless convenience and ease of use, the necessity of purchasing batteries separately could deter some potential buyers, impacting its overall popularity.
Which should you buy?
Choosing between the DEWALT Angle Grinder and the RYOBI PCL445B ultimately depends on your specific needs and preferences. If you require a powerful, high-RPM grinder for heavy-duty tasks, the DEWALT model stands out with its superior performance and user-friendly features. However, if you prioritize cost and the convenience of a cordless tool, the RYOBI PCL445B may be the better option, provided you are prepared to invest in compatible batteries and chargers.
In summary, for those who value raw power and reliability, the DEWALT Angle Grinder is worth the higher price tag. For occasional use and portability, the RYOBI PCL445B offers a budget-friendly alternative, albeit with some additional costs associated with battery purchases.

