Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder wins on rpm and price, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on power and handle.
The Makita 9557PBX1 offers superior power and a complete kit, while the RYOBI PCL445B is a budget-friendly option for casual users.
Why Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder is better
Power
Makita has a 7.5 AMP motor with 11,000 RPM.
Complete Kit
Includes multiple grinding wheels and a carrying case.
Durability
Features labyrinth construction for better protection.
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Price
RYOBI is about 50% cheaper.
Weight
RYOBI is lighter and more portable.
Battery System
Compatible with existing Ryobi ONE+ batteries.
Overall score
Specifications
| Spec | Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Motor Power | 7.5 AMP | 18V |
| Max RPM | 11000 | 9000 |
| Weight | 4.5 lbs | 3.5 lbs |
| Included Wheels | 5 | 0 |
| Durability | High | Medium |
| Price | $109.00 | $54.00 |
Dimension comparison
Price Comparison
The Makita 9557PBX1 costs $109.00, while the RYOBI PCL445B is priced at $54.00, making the RYOBI about 50% cheaper than the Makita. This significant price difference could sway buyers who are budget-conscious or looking for a more accessible option. While the RYOBI is a bare tool that requires additional purchases for batteries and chargers, its lower initial cost makes it an attractive choice for those already invested in the Ryobi ONE+ system. Conversely, the Makita is a complete kit that includes multiple grinding wheels and a carrying case, adding value for those who need a ready-to-use solution.
Power and Performance
The Makita 9557PBX1 features a powerful 7.5 AMP motor that achieves an impressive 11,000 RPM, making it suitable for heavy-duty applications. In comparison, the RYOBI PCL445B has a slightly less powerful motor that delivers up to 9,000 RPM. While both grinders can handle a variety of tasks, the Makita's higher RPM gives it an edge for rapid material removal and efficiency in industrial settings. This difference in performance is crucial for professionals or serious DIY enthusiasts who require robust power for demanding jobs.
Design and Comfort
The design of the Makita 9557PBX1 focuses on user comfort with features like a small diameter barrel grip and an extra-large paddle switch for easy operation. In contrast, the RYOBI PCL445B offers a 3-position side handle for enhanced control. While both tools are designed with user ergonomics in mind, the Makita may provide a more comfortable grip during extended use due to its smaller barrel size. This is especially important for users who might spend long hours grinding or cutting materials.
Durability and Construction
Durability is a key factor when choosing an angle grinder, and both models offer features aimed at longevity. The Makita 9557PBX1 boasts labyrinth construction that seals the motor and bearings from dust and debris, promoting a longer tool life. Additionally, its metal gear housing enhances durability. The RYOBI PCL445B also emphasizes durability with its die-cast metal gear case, which adds strength to the tool. While both grinders are built to last, the Makita's protective features give it a slight advantage for users who require a grinder for heavy or frequent use.
Versatility and Accessories
The Makita 9557PBX1 comes as a complete kit that includes five 4-1/2” grinding wheels and a diamond blade, making it versatile for various applications right out of the box. This all-in-one package is beneficial for those who need immediate functionality without additional purchases. The RYOBI PCL445B, on the other hand, is sold as a bare tool, meaning users need to buy batteries and chargers separately, which may not be ideal for those who need a quick setup. However, for existing Ryobi ONE+ users, the bare tool option allows for compatibility with their existing battery system.
Ease of Use
The Makita 9557PBX1 is designed with ease of use in mind, featuring a lock-on/off function for continuous operation and a tool-less wheel guard adjustment for quick changes. This makes it user-friendly for both novices and experienced users. The RYOBI PCL445B also includes a spindle lock for easy accessory changes, making it convenient for users who frequently switch between tasks. While both models offer ease of use, the additional features of the Makita may provide a more seamless experience for those who prefer a user-centric design in their tools.
Market Position
In terms of market performance, the Makita 9557PBX1 has a sales rank of 31,753, while the RYOBI PCL445B holds a better rank at 18,870. This indicates that the RYOBI is more popular among consumers, possibly due to its lower price point and the appeal of the ONE+ battery system. However, the Makita’s reputation for durability and high performance may attract professionals who are willing to invest in a premium tool for their work. Both tools have their dedicated user bases, but the RYOBI's popularity suggests it may be a more accessible choice for casual users.
Which should you buy?
Choosing between the Makita 9557PBX1 and the RYOBI PCL445B depends largely on your specific needs and budget. If you require a powerful, complete kit for heavy-duty applications and don’t mind spending more, the Makita is an excellent choice. Its high RPM and robust construction are tailored for demanding tasks, making it ideal for professionals. However, if you're looking for a more budget-friendly option that still delivers solid performance, the RYOBI is about 50% cheaper and provides good value, especially for those already within the Ryobi ecosystem. Ultimately, your decision should align with your usage requirements and financial considerations.

