BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, vs DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only
Updated July 2026 — BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, wins on price and blade size, DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only wins on battery life and cutting depth.
The DEWALT ATOMIC 20V MAX* Circular Saw offers superior performance and features, making it the better choice for professional users, while the BLACK+DECKER is a budget-friendly option for DIY enthusiasts.
Why BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, is better
Price
BLACK+DECKER is significantly cheaper at $74.99.
Ease of Use
Tool-free adjustments make BLACK+DECKER more user-friendly.
Portability
BLACK+DECKER is lighter and more compact.
Why DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only is better
Cutting Performance
DEWALT can cut 2x material at 90 degrees.
Motor Type
DEWALT features a brushless motor for better efficiency.
Safety Features
DEWALT includes an electronic blade brake.
Overall score
Specifications
| Spec | BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, | DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only |
|---|---|---|
| Blade Type | 5-1/2 inch | 4-1/2 inch |
| Sales Rank | 102120 | 14687 |
| Bevel Cuts | 45, 90 degrees | 45 degrees |
| Motor | Brushed | Brushless |
| Battery System | POWERCONNECT | 20V MAX |
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 priced at $74.99, making it an attractive option for DIY enthusiasts and homeowners. This model is designed for versatility, featuring a 5-1/2 inch fast-cutting blade that is ideal for a range of tasks. The saw's compact design facilitates ease of use, allowing for quick adjustments without the need for additional tools. With a sales rank of 102120, it is a solid choice for casual users looking for a reliable circular saw.
Overview of the DEWALT ATOMIC 20V MAX* Circular Saw
The DEWALT ATOMIC 20V MAX* Circular Saw is significantly more expensive, retailing at $159.00. However, it boasts a robust set of features that cater to professional users and those who require higher performance. The saw is equipped with a brushless motor that allows for impressive cutting capacity—up to 369 linear feet of 3/4 inch OSB when paired with the appropriate battery. With a sales rank of 14687, this model is aimed at users who are willing to invest more for advanced functionality.
Cutting Performance
In terms of cutting performance, the DEWALT ATOMIC outshines the BLACK+DECKER model. The DEWALT saw can handle 2x material cuts at 90 degrees and 1x material cuts at 45 degrees, thanks to its bevel gear design. This capability makes it particularly useful for more demanding projects. Meanwhile, the BLACK+DECKER saw features a 5-1/2 inch blade that is versatile for various DIY tasks but does not match the cutting capacity of the DEWALT. This difference in cutting performance may influence your choice depending on the complexity of the projects you intend to tackle.
Ease of Use
Both the BLACK+DECKER and DEWALT models are designed with user-friendly features, but they cater to different needs. The BLACK+DECKER saw offers tool-free depth adjustment and blade changes, making it exceptionally convenient for quick adjustments. On the other hand, the DEWALT saw includes enhancements such as an electronic blade brake for safety and an on-board dust port for improved visibility during cutting. While the BLACK+DECKER excels in simplicity, the DEWALT provides additional features that enhance its usability for more extensive cutting tasks.
Portability and Design
When it comes to portability, the BLACK+DECKER model is slightly more advantageous due to its lightweight and compact design. This characteristic makes it easier to maneuver for small-scale projects or when working in tight spaces. The DEWALT saw, while still portable, is designed to handle more robust applications, which may add some weight. Users should consider the type of tasks they will be performing when evaluating the importance of portability in their selection.
Battery System Compatibility
The BLACK+DECKER 20V saw uses the POWERCONNECT battery system, which allows for interchangeable use across various tools within the system. However, the battery is not included with the purchase, which may add to the overall cost if you don't already own compatible batteries. Conversely, the DEWALT ATOMIC saw is compatible with 20V MAX batteries and is designed to maximize the efficiency of these batteries, ensuring you get longer run times for demanding tasks. Users should factor in battery compatibility when making their decision, as this can significantly affect overall satisfaction and usability.
Price Comparison
The price difference between these two circular saws is substantial, with the BLACK+DECKER model being about 53% cheaper at $74.99 compared to the DEWALT’s $159.00. This price disparity reflects the different target markets of the products, with BLACK+DECKER appealing more to casual users and DIY enthusiasts and DEWALT catering to professionals who require higher performance and reliability. When considering your budget, this price difference could be a deciding factor.
Which should you buy?
Ultimately, your choice between the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw and the DEWALT ATOMIC 20V MAX* Circular Saw should depend on your specific needs and intended use. If you're a DIY enthusiast looking for a reliable, budget-friendly option for basic cutting tasks, the BLACK+DECKER model is a great fit. However, if you require a more powerful tool with advanced features for professional applications, the DEWALT ATOMIC is worth the investment. Balancing your budget against your cutting needs will guide you to the right decision.

