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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 sales rank and power, FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on price and runtime.

The DEWALT circular saw offers superior power and cutting performance, while the FLEX provides a more budget-friendly option with innovative design.

Why DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. is better

Power

DEWALT has a higher motor output at 1,700 MWO.

Cut Depth

DEWALT can cut deeper at 2-9/16 inches.

Sales Rank

DEWALT ranks significantly higher at 8,511.

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

Price

FLEX is priced at $177.66, making it more affordable.

Runtime

FLEX offers 25% longer runtime with THERMA-TECH.

Design

FLEX features an in-line design for better visibility.

Overall score

DEWALT 20V MAX XR Brushless Cordless 7-1/4 in.
85
FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
75

Specifications

SpecDEWALT 20V MAX XR Brushless Cordless 7-1/4 in.FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
Motor RPM5500N/A
Battery Voltage20V24V
Max Cut Depth2-9/16"2-9/16"
Weight8.8 lbs7.5 lbs
Warranty3 years5 years

Dimension comparison

DEWALT 20V MAX XR Brushless Cordless 7-1/4 in.FLEX 24V Brushless Cordless 6-1/2-Inch In-Line

Price Comparison

The DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw is priced at $249.00, while the FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw is more budget-friendly at $177.66, making it about 29% cheaper. This significant price difference may appeal to those looking for a more cost-effective tool without sacrificing quality. However, the DEWALT offers a powerful motor and additional cutting capacity that might justify its higher price for professionals and serious DIYers.

Cutting Performance

When it comes to cutting performance, the DEWALT circular saw excels with a powerful brushless motor that delivers up to 1,700 MWO and can make up to 368 cuts per charge. It can cut through a maximum depth of 2-9/16 inches at a 90-degree angle and 2 inches at 45 degrees. On the other hand, the FLEX saw features a unique in-line design that allows it to cut 3x lumber in one pass, with a similar maximum cutting depth of 2-9/16 inches. This design provides superior balance and visibility, which can enhance accuracy during cuts. While both saws are capable of handling tough applications, the DEWALT's higher RPM may offer quicker cuts in demanding situations.

Motor Technology

The DEWALT features a robust brushless motor optimized for high performance, delivering up to 5,500 RPM for fast cutting. This motor is designed for prolonged use and efficiency, making it a reliable choice for extensive projects. Conversely, the FLEX saw employs a sensor-free brushless motor that is built to eliminate friction and enhance efficiency. Each tool is engineered for high power, but the DEWALT's established reputation in the market might give it an edge in performance under heavy workloads.

User Experience

User experience is a critical factor in selecting a circular saw. The DEWALT's design includes an electronic brake that stops the blade quickly after the trigger is released, potentially preventing accidents and ensuring precise cuts. Additionally, its top handle position is designed for ease of use, especially on challenging job sites. Meanwhile, the FLEX saw is noted for its in-line design that provides total balance and improved visibility, giving users a clear view on both sides of the blade. This may enhance control and accuracy, making it particularly user-friendly for beginners or those needing precision.

Battery and Charging

The DEWALT circular saw requires a compatible battery and charger sold separately, which is also the case for the FLEX model. However, the FLEX touts its "FLEX Advantage" with 20% more power from its 24V lithium battery and a runtime that is 25% longer due to THERMA-TECH heat management. It also features faster charging capabilities, which could be a deciding factor for users who prioritize quick turnarounds on the job site. The DEWALT, while powerful, does not specify the comparative advantages of its battery technology in terms of runtime or charging speed, making the FLEX more appealing in this aspect.

Versatility

Versatility is another area where both saws shine. The DEWALT can tackle a wide range of materials with a maximum bevel capacity of 57 degrees, including stops at 45 and 22.5 degrees, allowing for various cutting angles. This makes it suitable for different applications, from framing to more intricate woodworking. The FLEX circular saw also boasts impressive versatility, with its ability to cut through 3x lumber in one pass. While both tools offer significant versatility, the DEWALT's bevel capacity may provide an advantage in specialized cuts.

Sales Rank and Market Presence

The DEWALT circular saw holds a sales rank of 8,511, indicating its popularity and acceptance in the market. In contrast, the FLEX saw is ranked 108,816, suggesting it may not have the same level of recognition or sales performance. This difference in sales rank could influence buyer confidence, as the DEWALT is backed by a well-established reputation in the construction and DIY communities. For users who value brand reliability, the DEWALT may be the more attractive option based on its proven track record.

Which should you buy?

Ultimately, the choice between the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw and the FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw depends on individual needs and priorities. If budget is a concern, the FLEX offers a solid performance at about $177.66, making it an excellent choice for those looking for a reliable saw without breaking the bank. However, for users seeking maximum power, cutting performance, and a reputable brand, the DEWALT at $249.00 may be worth the investment. Consider your specific projects and preferences to make the best choice for your tool collection.