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BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, vs Greenworks 24V Brushless 4-1/2" Compact Circular

Updated July 2026 — BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, wins on weight and blade size, Greenworks 24V Brushless 4-1/2" Compact Circular wins on speed and battery.

The BLACK+DECKER saw excels in versatility and ease of use, while the Greenworks model offers superior performance and cleanliness. Choose based on your specific needs.

Why BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, is better

Versatility

BLACK+DECKER offers tool-free adjustments.

Blade Size

5-1/2 inch blade for various tasks.

Sales Rank

Higher sales rank indicates popularity.

Why Greenworks 24V Brushless 4-1/2" Compact Circular is better

Motor Efficiency

Brushless motor provides more runtime.

Speed

6500 RPM for quicker cuts.

Cleanliness

Includes vacuum suction tube.

Overall score

BLACK+DECKER 20V 5-1/2" Cordless Circular Saw,
85
Greenworks 24V Brushless 4-1/2" Compact Circular
78

Specifications

SpecBLACK+DECKER 20V 5-1/2" Cordless Circular Saw,Greenworks 24V Brushless 4-1/2" Compact Circular
Motor TypeHigh TorqueBrushless
Max RPMNot Specified6500
Depth AdjustmentTool-FreeManual
Bevel Capacity45° and 90°0-45°
Battery CompatibilityPOWERCONNECT24V System

Dimension comparison

BLACK+DECKER 20V 5-1/2" Cordless Circular Saw,Greenworks 24V Brushless 4-1/2" Compact Circular

Overview of the Products

The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw and the Greenworks 24V Brushless 4-1/2" Compact Circular Saw are both priced at $74.99, but they offer different features that cater to various user needs. While both tools are designed for efficiency and ease of use, their specifications and capabilities can influence your choice significantly.

The BLACK+DECKER model boasts a versatile 5-1/2 inch blade that is ideal for various DIY tasks and offers tool-free adjustments for depth and blade changes. In contrast, the Greenworks circular saw features a high-efficiency brushless motor that can deliver up to 6500 RPM and comes with a vacuum tube for enhanced cleanliness during operation. Each tool is a strong contender in the circular saw market, yet they serve slightly different purposes.

Performance and Power

When it comes to performance, both circular saws demonstrate impressive capabilities, but they cater to different needs. The BLACK+DECKER saw is equipped with a high torque motor and a 5-1/2 inch blade that allows for efficient cutting in various materials. Its ability to handle angled cuts at 45 and 90 degrees adds versatility to its performance.

On the other hand, the Greenworks saw features a brushless motor, which is designed to offer up to 50% more runtime compared to traditional motors. It also reaches a maximum speed of 6500 RPM, making it suitable for quick cuts. While the BLACK+DECKER is focused on versatility in DIY projects, the Greenworks model leans towards performance efficiency.

Design and Ergonomics

Both the BLACK+DECKER and Greenworks circular saws are designed with user comfort in mind. The BLACK+DECKER model has a compact design that enables ease of use and maneuverability, particularly in tight spaces. Its pivoting shoe provides additional control, making it easier to handle during cutting tasks.

In comparison, the Greenworks saw is lightweight and features an LED work light, which is particularly useful for working in dimly lit areas. This design aspect enhances visibility, making it easier to perform precise cuts. While both saws are ergonomic, the inclusion of the LED light in the Greenworks model offers an advantage for users who often work in less-than-ideal lighting conditions.

Features and Functionality

The features of both circular saws set them apart in terms of functionality. The BLACK+DECKER saw includes tool-free depth adjustment and blade changes, which streamline the user experience by eliminating the need for additional tools. This feature is particularly beneficial for those who frequently adjust their tools for different tasks.

Conversely, the Greenworks circular saw's most notable feature is its vacuum suction tube, which allows for a clean working environment by connecting to a vacuum cleaner. This is an essential feature for users who prioritize cleanliness and dust control during their projects. Both saws offer unique features that cater to different preferences, making them versatile tools for various applications.

Battery and Compatibility

Battery compatibility is an essential consideration for cordless tools, and both models provide unique advantages. The BLACK+DECKER saw operates on a 20V MAX* POWERCONNECT battery system, allowing users to interchange batteries across multiple tools within the same system. However, it is important to note that the battery is sold separately.

On the other hand, the Greenworks saw is powered by a 24V lithium-ion battery, which promises 20% more power and 35% more runtime compared to previous generations. This battery delivers fade-free power and can be used across over 100 products within the Greenworks platform. While the BLACK+DECKER offers a compatible battery system, the Greenworks model provides a more powerful battery with longer life.

Price and Value

Both the BLACK+DECKER and Greenworks circular saws are priced at $74.99, making them equally competitive in terms of cost. However, the Greenworks model has an average price of $86.94 over the past 90 days, suggesting that it could offer better value if considering price fluctuations in the market.

The BLACK+DECKER saw, while similarly priced, has a consistent sales rank of 102120, indicating steady demand among buyers. Potential users may find that the pricing aligns well with their budget, but the value derived from each tool may differ based on specific needs and features.

User Ratings and Popularity

User ratings can provide insight into how well each product performs in real-world applications. The BLACK+DECKER saw has a sales rank of 102120, reflecting a solid position in the market. This suggests that it is a popular choice among DIY enthusiasts looking for a reliable circular saw.

In contrast, the Greenworks model has a sales rank of 117683, which shows it is slightly less popular than the BLACK+DECKER option. However, the Greenworks saw's innovative features, like the brushless motor and vacuum attachment, may appeal to users looking for efficiency and cleanliness. While both products have their merits, popularity can influence buyer confidence and perceived value.

Which should you buy?

Choosing between the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw and the Greenworks 24V Brushless 4-1/2" Compact Circular Saw ultimately depends on your specific needs and preferences. If you prioritize versatility and ease of use, the BLACK+DECKER model may be the better fit, especially given its tool-free adjustments and compatibility with other BLACK+DECKER tools. On the other hand, if performance and cleanliness during use are your top concerns, the Greenworks saw, with its brushless motor and vacuum suction capability, might be the superior choice.

Both products are well-priced at $74.99, but the decision should hinge on which features resonate more with your project requirements. Whether you choose BLACK+DECKER for its practical design or Greenworks for its advanced technology, you can count on either tool to deliver reliable performance for your cutting needs.