BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, vs BLACK+DECKER MATRIX Trim Saw Attachment with 3-3/
Updated July 2026 — BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, wins on versatility and power, BLACK+DECKER MATRIX Trim Saw Attachment with 3-3/ wins on price and weight.
The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw is a more powerful and versatile tool compared to the MATRIX Trim Saw Attachment, making it the better choice for a wider range of tasks.
Why BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, is better
Power
The circular saw has a high torque motor for efficient cutting.
Versatility
The circular saw can handle a variety of materials.
Ease of Use
Tool-free adjustments make the circular saw user-friendly.
Why BLACK+DECKER MATRIX Trim Saw Attachment with 3-3/ is better
Weight
The trim saw attachment is lighter and easier to handle.
Specialization
The trim saw is optimized for precise cutting of thinner materials.
Cost
The trim saw attachment is less expensive.
Overall score
Specifications
| Spec | BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, | BLACK+DECKER MATRIX Trim Saw Attachment with 3-3/ |
|---|---|---|
| Blade Size | 5-1/2 inch | 3-3/8 inch |
| Battery Type | 20V MAX | N/A |
| RPM | 3400 | N/A |
| Tool-Free Change | Yes | Yes |
| Cutting Depth | 1-5/8 inch | N/A |
Dimension comparison
Overview of the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw
The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw is a versatile tool designed for a wide range of DIY tasks, while the BLACK+DECKER MATRIX Trim Saw Attachment offers a lightweight solution for specific cutting needs. Priced at $74.99, the circular saw is about 44% more expensive than the trim saw attachment, which retails for $52.00. This price difference reflects the distinct functionalities and capabilities of each product.
Design and Build Quality
The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw is designed for power and performance, featuring a compact design that enhances user control. Its 5-1/2 inch blade ensures quick cuts, making it ideal for various materials. In contrast, the MATRIX Trim Saw Attachment is lightweight and compact, specifically designed for comfort during use. While the saw offers a robust build for heavier tasks, the trim attachment is tailored for precision cutting, showing the different applications of each tool.
Cutting Performance
The cutting performance of the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw excels in fast-cutting capabilities, suitable for a range of DIY projects. It features a high torque motor, allowing for efficient cuts through tougher materials. Meanwhile, the MATRIX Trim Saw Attachment is optimized for lighter tasks, performing well on plywood and paneling. While the circular saw is a powerhouse, the trim attachment shines in its ability to handle delicate work with finesse.
Ease of Use
When it comes to ease of use, the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw offers tool-free depth adjustment and blade changes, making it user-friendly for those who may not have extensive experience with power tools. This feature allows for quick adjustments without needing extra tools. On the other hand, the MATRIX Trim Saw Attachment also provides user-friendly features, such as a spindle lock button for single-wrench bit changes. While both tools prioritize usability, the circular saw's design caters to a broader range of cutting applications.
Power Source and Compatibility
The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw operates on a 20V MAX* POWERCONNECT battery, which is rechargeable and interchangeable with other tools in the POWERCONNECT system. This compatibility enhances its value for users who own multiple BLACK+DECKER tools. The MATRIX Trim Saw Attachment, however, requires a compatible tool from the Matrix line, such as the BDEDMT or BDCDMT112. This compatibility difference highlights the versatility of the circular saw in a broader tool ecosystem.
Portability
Portability is a significant factor for many users, especially those who need to transport their tools for various projects. The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, being cordless, provides excellent mobility, allowing users to work without being tethered to a power outlet. In contrast, the MATRIX Trim Saw Attachment is designed to be used with a compatible tool and is lighter, making it easy to handle for longer durations. While both tools are portable, the circular saw's cordless design offers greater freedom of movement on job sites.
Pricing Comparison
Pricing is an essential consideration for any buyer. The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw is priced at $74.99, while the MATRIX Trim Saw Attachment is available for $52.00. This means the circular saw is about 44% more expensive than the trim saw attachment. Buyers should weigh the additional capabilities and performance of the circular saw against the more specialized function of the trim attachment when considering their budgets.
Which should you buy?
Choosing between the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw and the MATRIX Trim Saw Attachment depends on your specific needs. If you're looking for a powerful tool that excels in versatility and can handle a variety of DIY tasks, the circular saw is the better option. However, if you prefer a lighter, more specialized tool for precise cutting of thinner materials, the trim saw attachment is a suitable choice. Ultimately, the decision hinges on the type of projects you plan to undertake and the level of performance you require.