BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. vs DEWALT 20V MAX Circular Saw, Cordless Sidewinder
Updated July 2026 — BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. wins on battery, DEWALT 20V MAX Circular Saw, Cordless Sidewinder wins on rpm and weight.
The DEWALT circular saw offers superior power and cutting capacity, making it the better choice for demanding tasks.
Why BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. is better
Price
BLACK+DECKER is $34 cheaper.
Weight
BLACK+DECKER is lighter and more portable.
User-Friendly
Tool-free adjustments make it easier to use.
Why DEWALT 20V MAX Circular Saw, Cordless Sidewinder is better
Power
DEWALT has a 5150 RPM motor for demanding cuts.
Blade Size
DEWALT has a larger 6-1/2 inch blade.
Warranty
DEWALT offers a 3-year limited warranty.
Overall score
Specifications
| Spec | BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. | DEWALT 20V MAX Circular Saw, Cordless Sidewinder |
|---|---|---|
| Power | Adequate | High |
| Speed | 4500 RPM | 5150 RPM |
| Bevel Capacity | 0-90° | 0-50° |
| Tool-Free Change | Yes | Yes |
| Included Battery | Yes | No |
Dimension comparison
Overview of the BLACK+DECKER and DEWALT Circular Saws
The BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Cordless Circular Saw is priced at $95.00, while the DEWALT 20V MAX Circular Saw costs $129.00, making the BLACK+DECKER about 17% cheaper. Both tools are designed for DIY enthusiasts and professionals alike, offering unique features that cater to different cutting needs. The BLACK+DECKER is compact and user-friendly, while the DEWALT delivers higher power and versatility with its larger blade and enhanced motor performance.
Power and Performance
When it comes to power and performance, the DEWALT 20V MAX Circular Saw stands out with its impressive 5,150 RPM motor. This feature enables it to tackle more demanding cuts with ease, making it ideal for heavy-duty jobs. In comparison, the BLACK+DECKER's capabilities are well-suited for everyday DIY tasks, but its lower blade speed and smaller 5-1/2 inch blade may limit its effectiveness for more challenging materials. The DEWALT's 6-1/2 inch blade offers additional cutting depth, allowing for maximum versatility in woodworking applications.
Blade and Cutting Capacity
The DEWALT boasts a 6-1/2 inch 18-tooth carbide-tipped blade, which is capable of cutting through 2 times the material at both 90° and 45° angles. It also has a maximum cut depth of 2-1/8 inches at 90° and 1-5/8 inches at 45°. In contrast, the BLACK+DECKER features a smaller 5-1/2 inch blade, which is more suited for lighter tasks. While it can facilitate angled cuts with bevel detents at 45° and 90°, the overall cutting capacity may not meet the needs of users working with thicker or more robust materials.
Design and Usability
In terms of design and usability, both saws offer user-friendly features, but they cater to different preferences. The BLACK+DECKER emphasizes tool-free adjustments, allowing for quick depth changes and blade swaps without the need for additional tools. This makes it an excellent choice for casual users or those who prioritize convenience. On the other hand, the DEWALT's design includes a high-strength magnesium shoe, providing durability and job site accuracy, which may appeal to professional users who require reliability in demanding environments.
Battery and Charging System
The BLACK+DECKER comes with a 20V MAX POWERCONNECT battery and charger included in the package. This system allows users to interchange the battery with other tools within the POWERCONNECT lineup, enhancing versatility and value. DEWALT, however, sells the battery and charger separately, which may increase the overall cost for users who do not already own compatible batteries. While the BLACK+DECKER's included battery represents a significant value, DEWALT's system may attract users looking for higher performance from their power tools.
Weight and Portability
Portability is an essential factor for users who need to move tools between job sites. The compact design of the BLACK+DECKER makes it lightweight and easy to handle, especially for users who may not require the power of a more robust saw. DEWALT's circular saw, while slightly heavier due to its more durable construction, still maintains a comfortable balance, making it suitable for extended use in various applications. Users should weigh the importance of portability against the need for power and performance when choosing between these two saws.
Warranty and Support
The DEWALT circular saw includes a three-year limited warranty, offering peace of mind for professional users who rely on their tools for everyday work. This warranty reflects DEWALT's confidence in the durability and performance of their products. The BLACK+DECKER does not specify a warranty period in the provided data, which may lead some potential buyers to question the long-term reliability of the tool. A solid warranty can be a significant factor for buyers who want assurance in their investment.
Which should you buy?
Choosing between the BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Cordless Circular Saw and the DEWALT 20V MAX Circular Saw ultimately depends on your specific needs and budget. If you are a casual DIYer looking for an affordable, user-friendly tool for lighter tasks, the BLACK+DECKER at $95.00 is a great choice. However, if you require a more powerful and versatile saw for demanding jobs, the DEWALT at $129.00 offers superior performance and cutting capacity. Consider your typical usage, the importance of portability, and the value of warranty support when making your decision.

