Makita 9557NB 4-1/2" Angle Grinder vs PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp
Updated July 2026 — Makita 9557NB 4-1/2" Angle Grinder wins on sales rank and rpm, PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp wins on handle positions and weight.
The Makita 9557NB offers superior performance and features, making it the better choice for demanding tasks, while the PORTER-CABLE provides excellent value for budget-conscious buyers.
Why Makita 9557NB 4-1/2" Angle Grinder is better
Higher RPM
Makita has a no-load speed of 11,000 RPM.
Protective features
Makita has a protective zig-zag varnish.
Lightweight
Makita weighs only 4.5 lbs.
Why PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp is better
Lower price
PORTER-CABLE is priced at $68.99.
Durable housing
PORTER-CABLE has a cast metal gearbox.
Adjustable handle
PORTER-CABLE features a three-position side handle.
Overall score
Specifications
| Spec | Makita 9557NB 4-1/2" Angle Grinder | PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp |
|---|---|---|
| Motor | 7.5 AMP | 7.5 AMP |
| No-load Speed | 11,000 RPM | 10,000 RPM |
| Weight | 4.5 lbs | 5.0 lbs |
| Gear Housing | Metal | Cast Metal |
| Spindle Lock | Yes | Yes |
Dimension comparison
Overview of the Makita 9557NB and PORTER-CABLE Angle Grinders
The Makita 9557NB is priced at $84.01, while the PORTER-CABLE Angle Grinder is available for $68.99, making it about 17% cheaper. Both grinders are robust tools designed for professional and DIY tasks alike, featuring powerful motors and user-friendly designs. However, their unique features and specifications set them apart in terms of functionality and ease of use.
Motor Power and Performance
Both angle grinders are equipped with 7.5 AMP motors, but the Makita 9557NB offers higher performance with a no-load speed of 11,000 RPM compared to PORTER-CABLE’s 10,000 RPM. This makes the Makita more suitable for demanding tasks where speed is critical. The powerful motor of the Makita allows it to tackle various jobs efficiently, including grinding and cutting tasks that require a higher output.
Design and Build Quality
The Makita 9557NB features a compact design with a 2-1/2" diameter barrel, weighing only 4.5 lbs. This lightweight construction enhances user comfort during extended use. The PORTER-CABLE grinder, while also durable with its cast metal gear housing, does not provide the same level of ergonomic advantage. The Makita’s design allows for a more controlled and comfortable grip, which can be crucial during long sessions of operation.
Durability and Longevity
When it comes to durability, both grinders are built to last, but with different approaches. The Makita employs a protective zig-zag varnish that seals the armature from dust and debris, promoting longer tool life. In contrast, PORTER-CABLE's cast metal gearbox is designed for enhanced durability on job sites. While both tools are reliable, the protective features of the Makita might give it an edge in terms of longevity, especially in dusty environments.
User Comfort and Control
User comfort and control are vital for effective operation, and both grinders offer unique features to enhance these aspects. The PORTER-CABLE angle grinder comes with a three-position adjustable side handle, providing more versatility in cutting positions. Meanwhile, the Makita features a small circumference barrel grip, which improves handling comfort. Depending on user preference, either design can significantly impact the usability of the tool.
Tool Change Mechanism
Both grinders provide a spindle lock feature, allowing for quick and easy wheel changes. This is particularly beneficial for users who frequently switch between tasks. The Makita grinder's design includes an extra-large paddle switch for ease of use, especially in demanding situations. While both tools facilitate efficient accessory changes, the Makita's intuitive design may appeal more to users who prioritize convenience.
Price Comparison and Value
The Makita 9557NB is priced at $84.01, making it a premium option compared to the PORTER-CABLE grinder at $68.99. This difference of about $15 suggests that the Makita may offer additional value in terms of features and build quality, particularly for users who require a more robust tool for heavy-duty applications. However, for budget-conscious buyers or those needing a reliable tool for lighter tasks, the PORTER-CABLE presents a compelling choice.
Bestseller Rankings
In terms of market performance, the PORTER-CABLE ranks higher with a sales rank of 47,669, compared to the Makita’s rank of 74,761. This indicates a stronger preference among consumers for the PORTER-CABLE grinder, likely due to its competitive pricing and effective performance. However, a lower ranking does not necessarily reflect a lack of quality, as the Makita 9557NB is a well-respected tool in professional circles.
Which should you buy?
Choosing between the Makita 9557NB and the PORTER-CABLE Angle Grinder ultimately hinges on your specific needs and budget. If you prioritize high RPM and advanced protective features, the Makita may justify its higher price. However, if affordability and versatility in handling are more critical, the PORTER-CABLE offers excellent value without compromising performance. Assess your requirements carefully to make the most informed decision.

