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FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs Greenworks 24V Brushless 4-1/2" Compact Circular

Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on cut depth and power, Greenworks 24V Brushless 4-1/2" Compact Circular wins on price and weight.

The FLEX saw excels in power and cutting capacity, making it ideal for heavy-duty tasks, while the Greenworks saw is a budget-friendly option for lighter jobs.

Why FLEX 24V Brushless Cordless 6-1/2-Inch In-Line is better

Cutting Capacity

FLEX can cut 3x lumber in one pass.

Runtime

FLEX makes up to 430 cuts in 2x4 lumber.

Warranty

FLEX offers a 5-year warranty with registration.

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

Price

Greenworks is significantly cheaper.

Weight

Greenworks is lighter and more portable.

Compact Design

Greenworks fits into tighter spaces.

Overall score

FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
85
Greenworks 24V Brushless 4-1/2" Compact Circular
70

Specifications

SpecFLEX 24V Brushless Cordless 6-1/2-Inch In-LineGreenworks 24V Brushless 4-1/2" Compact Circular
Motor TypeBrushlessBrushless
Max RPM55006500
Cut Depth2-9/16"1.52"
Battery24V24V
LED LightYesYes

Dimension comparison

FLEX 24V Brushless Cordless 6-1/2-Inch In-LineGreenworks 24V Brushless 4-1/2" Compact Circular

Overview of the FLEX 24V Brushless Cordless Saw

The FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw is a powerful tool designed for precision cutting. Priced at $177.66, it boasts a unique in-line design that provides superior balance and visibility. This saw is engineered with a sensor-free brushless motor, enhancing efficiency and reducing friction. The saw is capable of cutting through 3x lumber in a single pass, making it ideal for heavy-duty tasks. With an average price of $188.38 over the last 90 days, it has a reasonable price point for its capabilities.

Overview of the Greenworks 24V Compact Saw

The Greenworks 24V Brushless 4-1/2" Compact Circular Saw stands out for its lightweight and compact design, retailing at only $74.99. Equipped with a brushless motor, this saw delivers up to 6,500 RPM, making it efficient for various cutting tasks. The saw also features a vacuum suction tube to keep work areas clean, highlighting its user-friendly design. Over the last 90 days, its average price has been $86.94, making it an attractive option for budget-conscious users.

Performance Comparison

When considering performance, the FLEX saw has a significant edge due to its ability to cut 3x lumber in one pass and a maximum cutting depth of 2-9/16 inches. This feature allows for more substantial cutting tasks without needing multiple passes, which can save time and increase productivity. In contrast, the Greenworks saw, while efficiently designed, offers a maximum cutting depth of only 1.52 inches at 0º and 1.12 inches at 45º. Thus, for those needing to tackle larger materials, the FLEX saw is a clear winner.

Runtime and Efficiency

In terms of runtime, the FLEX saw claims to make up to 430 cuts in 2x4 lumber with a 5.0Ah battery, showcasing its efficiency in extended use. The Greenworks saw, equipped with a 24V lithium-ion battery, offers 20% more power and 35% more runtime compared to its predecessors. However, the exact number of cuts it can achieve isn't specified. While both tools provide efficient cutting capabilities, the FLEX's detailed runtime metrics give it an advantage for users who need consistent performance over prolonged periods.

Design and Usability

The FLEX saw features a unique in-line design that enhances balance and visibility, making it easier to control during cuts. Its built-in LED illuminates the workspace, ensuring precision and accuracy. On the other hand, the Greenworks saw is designed for compactness and ease of use, weighing less and fitting into tighter spaces. Both saws cater to different user needs; the FLEX is ideal for those prioritizing visibility and control, while the Greenworks excels in portability.

Warranty and Support

FLEX offers a 5-year limited warranty when the tool is registered within 30 days of purchase, providing peace of mind for buyers. Without registration, the warranty drops to 3 years. In comparison, Greenworks provides a 3-year tool and battery warranty, which is standard for tools in this category. The longer warranty period from FLEX may appeal to users looking for long-term reliability and support.

Price Analysis

The price difference between the two saws is quite pronounced, with the FLEX saw costing $177.66, making it about 137% more expensive than the Greenworks saw, priced at $74.99. While the FLEX saw offers more advanced features and capabilities, the Greenworks saw provides a budget-friendly option without sacrificing essential performance. This significant price gap may influence buyers depending on their budget and specific cutting needs.

Which should you buy?

Choosing between the FLEX 24V Brushless Cordless Saw and the Greenworks 24V Compact Saw ultimately depends on your specific needs and budget. If you require a powerful tool that can handle larger cutting tasks with efficiency, the FLEX saw is a better fit, despite its higher price point. However, if portability and affordability are your primary concerns, the Greenworks saw offers excellent value and performance for lighter tasks. Your decision should align with the type of projects you plan to undertake and the features that matter most to you.