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Makita 9557PB 4-1/2" Paddle Switch Angle Grinder vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder

Updated July 2026 — Makita 9557PB 4-1/2" Paddle Switch Angle Grinder wins on price and speed, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on power.

The Makita 9557PB offers superior power and performance, while the RYOBI PCL445B is more budget-friendly and portable.

Why Makita 9557PB 4-1/2" Paddle Switch Angle Grinder is better

Power

Makita has a 7.5 AMP motor with 11,000 RPM.

Durability

Makita's labyrinth construction protects against contamination.

Included Accessories

Makita comes with a grinding wheel and other accessories.

Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better

Price

RYOBI is priced at $54.00.

Portability

RYOBI is a cordless model.

Weight

RYOBI is lighter due to its cordless design.

Overall score

Makita 9557PB 4-1/2" Paddle Switch Angle Grinder
85
RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
75

Specifications

SpecMakita 9557PB 4-1/2" Paddle Switch Angle GrinderRYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Motor Power7.5 AMP18V
No-load Speed11,000 RPM9,000 RPM
Corded/CordlessCordedCordless
Included AccessoriesYesNo
Warranty1 yearNone

Dimension comparison

Makita 9557PB 4-1/2" Paddle Switch Angle GrinderRYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder

Overview of the Makita 9557PB and RYOBI PCL445B

The Makita 9557PB is priced at $99.00, while the RYOBI PCL445B is more budget-friendly at $54.00, making it about 45% cheaper. This significant price difference raises questions about the value and performance of each angle grinder. Both tools are designed for heavy-duty tasks, but they cater to slightly different user needs and preferences, which will be explored in the following sections.

Performance Comparison

The Makita 9557PB features a powerful 7.5 AMP motor that delivers an impressive no-load speed of 11,000 RPM, making it suitable for high-output applications. In contrast, the RYOBI PCL445B has a slightly less robust motor, offering up to 9,000 RPM. For users needing rapid material removal, the Makita appears to have the edge in terms of raw power. However, the RYOBI's performance may suffice for lighter tasks, especially considering it is designed as a cordless tool, allowing for more flexibility and mobility.

Design and Build Quality

When it comes to design, the Makita 9557PB boasts a compact build with a small 2-1/2-inch diameter barrel, weighing only 4.5 lbs. This design enhances user comfort during extended use. Conversely, the RYOBI PCL445B features a die-cast metal gear case, which adds durability but may increase its overall weight. The three-position side handle on the RYOBI allows for better control and adaptability to various cutting or grinding angles, while the paddle switch on the Makita offers easy operation, particularly in continuous use situations.

Convenience Features

In terms of convenience, the Makita 9557PB includes a lock-on/off feature for continuous operation and a spindle lock for easy wheel changes. This makes it user-friendly, especially for those who frequently switch between tasks. The RYOBI PCL445B also incorporates a spindle lock for quick accessory changes, but it lacks a built-in battery and charger, which are sold separately. This requirement could be a drawback for users who do not already own compatible RYOBI batteries, potentially increasing the overall cost of ownership.

Versatility and Applications

The Makita is designed for heavy professional grinding applications, making it ideal for those who require robust performance in demanding environments. The included grinding wheel, wrench, side handle, flange, and wheel guard further enhance its usability right out of the box. On the other hand, the RYOBI PCL445B is part of the ONE+ system, allowing it to be integrated with other RYOBI tools, which can be a significant advantage for users already invested in this ecosystem. However, as a bare tool, it requires additional purchases to reach its full potential.

Portability

Portability is a key advantage of the RYOBI PCL445B, being a cordless model that offers greater freedom of movement without the constraints of a power cord. This can be especially beneficial for outdoor projects or in tight spaces where power outlets are limited. Conversely, the Makita 9557PB, while more powerful, is corded, which can limit its use in certain situations. The choice between these two products may come down to how important portability is for the user’s specific applications.

Customer Reception and Sales Rank

The Makita 9557PB has a sales rank of 43,958, while the RYOBI PCL445B ranks significantly higher at 18,870. This suggests that the RYOBI model may be favored by consumers, likely due to its lower price point and versatility as part of the ONE+ system. However, the Makita's strong performance and durability may appeal to professionals who prioritize power and build quality over price.

Which should you buy?

Ultimately, the decision between the Makita 9557PB and the RYOBI PCL445B will depend on your specific needs and preferences. If you prioritize power and heavy-duty performance, the Makita is an excellent choice, albeit at a higher price of $99.00. However, if you are looking for a more budget-friendly option and value portability, the RYOBI, priced at $54.00, could be more suitable, especially for users already engaged in the RYOBI ONE+ ecosystem. Consider your usage scenarios and existing tools to make the best choice for your angle grinding needs.