DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. vs FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
Updated July 2026 — DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. wins on safety and power, FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on price and runtime.
The DEWALT 20V MAX XR offers superior power and safety features, while the FLEX 24V provides excellent runtime and innovative design at a lower price.
Why DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. is better
Power
DEWALT has a motor delivering 1,700 MWO.
Safety
DEWALT includes an electric brake.
Versatility
DEWALT has a higher bevel capacity.
Why FLEX 24V Brushless Cordless 6-1/2-Inch In-Line is better
Price
FLEX is 52% cheaper.
Runtime
FLEX can make 430 cuts in 2x4 lumber.
Design
FLEX offers superior visibility with in-line design.
Overall score
Specifications
| Spec | DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. | FLEX 24V Brushless Cordless 6-1/2-Inch In-Line |
|---|---|---|
| Max RPM | 5500 | N/A |
| Cut Depth | 2-9/16" | 2-9/16" |
| Battery Included | Yes | No |
| Weight | 10.5 lbs | N/A |
| Warranty | 3 years | 5 years |
Dimension comparison
Overview of DEWALT 20V MAX XR and FLEX 24V
The DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit is priced at $369.03, while the FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw is significantly cheaper at $177.66, making it about 52% less expensive. This price disparity suggests that potential buyers might be looking at two very different products designed for varying user needs and budgets.
The DEWALT model is built for heavy-duty applications with a powerful brushless motor and features like an electric brake, which enhances safety and precision. In contrast, the FLEX offers a unique in-line design that provides superior balance and visibility, making it easier to handle for precision cuts. Each saw has its strengths, tailored to different types of users and cutting needs.
Power and Performance Comparison
When it comes to power and performance, the DEWALT 20V MAX XR leads with a motor that delivers up to 1,700 maximum watts out (MWO) and reaches speeds of 5,500 RPM. This makes it an ideal choice for cutting through tough materials, as it can handle a maximum depth of cut of 2-9/16 inches at a 90-degree angle.
On the other hand, the FLEX 24V features a sensor-free brushless motor designed for higher efficiency, offering 20% more power due to its 24V lithium battery. While its maximum cutting depth is the same at 2-9/16 inches, the FLEX can make up to 430 cuts in 2x4 lumber with a 5.0Ah battery, showcasing exceptional runtime for extended projects. This performance difference is crucial for users who prioritize speed and efficiency in their work.
Cutting Capacity and Versatility
The DEWALT 20V MAX XR is designed for versatility, allowing users to make fast, accurate cuts in a variety of materials. It boasts a bevel capacity of 57 degrees, with stops at both 45 and 22.5 degrees, making it suitable for complex cuts and angles.
Conversely, the FLEX 24V emphasizes its unique in-line design, which provides better control and visibility during cuts. This feature is particularly beneficial for tasks that require precision, as it allows for clearer sightlines on both sides of the blade. While both saws can cut through 3x lumber in one pass, the DEWALT's additional features may appeal more to those needing versatility in their cutting capabilities.
Battery and Runtime
A key difference in functionality arises from the battery and runtime of each product. The DEWALT 20V MAX XR includes a battery and charger in its kit, which is essential for immediate use. The saw can achieve up to 368 cuts per charge, making it reliable for extensive tasks without frequent interruptions.
In contrast, the FLEX 24V is sold as a tool-only option, meaning that the battery and charger must be purchased separately. However, its advanced battery technology offers a runtime that allows for up to 430 cuts in 2x4 lumber, which is a significant advantage for users who already own FLEX batteries and chargers. This aspect can influence the overall cost-effectiveness in the long run.
Safety Features
Safety is a paramount concern when operating power tools, and both the DEWALT and FLEX saws prioritize user safety through design. The DEWALT 20V MAX XR is equipped with an electric brake that stops the blade immediately after the trigger is released, minimizing the risk of accidental injury during operation.
Meanwhile, while the FLEX 24V does not specifically mention an electric brake, its design provides better balance and control, which can contribute to safer operation. The clear visibility on both sides of the blade enhances user confidence, especially for those who may be less experienced. However, the lack of a dedicated safety feature like an electric brake might be a consideration for some users.
Design and Usability
The DEWALT 20V MAX XR features a top handle position, enhancing ease of use in challenging job site conditions. Its robust build and ergonomic design make it comfortable to hold for extended periods, which is crucial for professionals who spend long hours on the job.
In contrast, the FLEX 24V's in-line design is a game changer for visibility and balance. This innovative approach makes it easier to see the cutting line and improves control during cuts. For users who prioritize precision and visibility, the FLEX may be the more favorable option. Both designs cater to different user preferences, with DEWALT focusing on ergonomics and FLEX emphasizing visibility.
Brand Reputation and Sales Rank
Brand reputation and sales rank can significantly influence purchasing decisions. The DEWALT 20V MAX XR holds a sales rank of 79,912, indicating a strong presence in the market and a track record of reliability. DEWALT is well-known for producing durable and high-performance tools, which adds to its appeal among professionals.
On the other hand, the FLEX 24V has a sales rank of 108,816, reflecting its growing recognition in the industry. While it may not be as established as DEWALT, FLEX is gaining traction for its innovative designs and features. Buyers may consider these ranks when assessing the reliability and performance expectations of each product.
Which should you buy?
Choosing between the DEWALT 20V MAX XR and the FLEX 24V ultimately depends on your specific needs and budget. If you require a powerful, versatile saw with a strong emphasis on safety features and are willing to invest more upfront, the DEWALT is a solid choice. However, if you’re looking for a more budget-friendly option that offers excellent runtime and innovative design, the FLEX presents a compelling alternative. By weighing the features, performance, and pricing of each saw, you can make an informed decision that best suits your cutting needs.

