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DEWALT 7-1/4-Inch Circular Saw, Lightweight, Corded vs Dong Cheng 20V MAX 7-1/4'' Brushless Cordless

Updated July 2026 — DEWALT 7-1/4-Inch Circular Saw, Lightweight, Corded wins on price and power, Dong Cheng 20V MAX 7-1/4'' Brushless Cordless wins on battery.

The DEWALT circular saw offers superior power and cutting capabilities, while the Dong Cheng model excels in portability and value.

Why DEWALT 7-1/4-Inch Circular Saw, Lightweight, Corded is better

Power

DEWALT has a 15 amp motor compared to Dong Cheng's 850W motor.

Cutting Capacity

DEWALT has a bevel capacity of 53 degrees.

Build Quality

DEWALT features a high-grade aluminum base.

Why Dong Cheng 20V MAX 7-1/4'' Brushless Cordless is better

Price

Dong Cheng is priced at $96.59, making it more affordable.

Portability

Dong Cheng is cordless, allowing for greater mobility.

Included Accessories

Dong Cheng comes with two TCT blades and a rip fence guide.

Overall score

DEWALT 7-1/4-Inch Circular Saw, Lightweight, Corded
85
Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
75

Specifications

SpecDEWALT 7-1/4-Inch Circular Saw, Lightweight, CordedDong Cheng 20V MAX 7-1/4'' Brushless Cordless
Motor15 amp850W
SpeedN/A5000 RPM
Dust CollectionIntegrated blowerDust port
Corded/CordlessCordedCordless
Included BladesNone24T & 40T

Dimension comparison

DEWALT 7-1/4-Inch Circular Saw, Lightweight, CordedDong Cheng 20V MAX 7-1/4'' Brushless Cordless

Overview

In this comparison, we will evaluate the DEWALT 7-1/4-Inch Circular Saw and the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit. Both tools cater to carpenters, DIY enthusiasts, and professionals alike, but they offer different features and functionalities. The DEWALT model is corded and priced at $135.00, while the Dong Cheng model is cordless, available for $96.59, making it about 17% cheaper.

Design and Build Quality

The DEWALT 7-1/4-Inch Circular Saw is designed to be lightweight, weighing in at 8.8 lbs, which is one of the lightest in its class. Its construction includes a high-grade aluminum base that ensures durability and accuracy for cuts. In contrast, the Dong Cheng circular saw has a body weight of 3.8 kg (approximately 8.4 lbs), emphasizing its ultralight design and making it easier to handle during prolonged use. Both saws are built for heavy-duty tasks, but the DEWALT's premium materials may offer a slight edge in durability.

Power and Performance

When it comes to power, the DEWALT circular saw is equipped with a robust 15 amp motor that allows it to tackle tough applications effortlessly. The DEWALT saw has a bevel capacity of 53 degrees, providing versatility for various cutting angles. The Dong Cheng model features an 850W brushless motor, which translates to about 1.14 horsepower, enabling it to reach speeds of 5000 RPM. While the DEWALT has a stronger motor, the Dong Cheng's brushless technology enhances efficiency and prolongs battery life, making it suitable for extended use on job sites.

Cutting Capacity

The DEWALT circular saw offers a depth of cut capacity of 2-9/16 inches, making it versatile for a variety of materials. With a bevel capacity of up to 53 degrees, it allows for more complex cuts. On the other hand, the Dong Cheng model can achieve a maximum cutting depth of 65mm (about 2.56 inches) at 90 degrees and 45mm at 45 degrees. While both saws can handle standard lumber cuts, the DEWALT slightly edges out in versatility due to its higher bevel capacity.

Portability and Convenience

The Dong Cheng 20V MAX circular saw stands out for its cordless design, providing true freedom for on-site use, especially in remote locations. It comes with a 4.0Ah lithium-ion battery, ensuring prolonged operation without the hassle of cords. The DEWALT circular saw, being corded, may limit mobility but compensates with consistent power supply. Additionally, the Dong Cheng includes a dust collection adaptor for cleaner workspaces, while the DEWALT features an integrated dust blower, enhancing visibility during cuts.

Safety Features

Safety is paramount in power tools, and both models incorporate features designed to protect the user. The DEWALT circular saw includes an anti-snag ball bearing lower guard that ensures smooth operation and longevity in harsh environments. Meanwhile, the Dong Cheng model features a trigger lock switch to prevent accidental startups, particularly when maneuvering in challenging positions. Each saw offers unique safety features, but the inclusion of a trigger lock on the Dong Cheng model may appeal to users concerned about safety during overhead cuts.

Included Accessories

The DEWALT circular saw comes with onboard blade wrench storage, providing easy access to tools needed for blade changes. In contrast, the Dong Cheng kit includes two TCT blades (24T and 40T), a rip fence guide, and a universal vacuum adapter, making it a comprehensive package for those starting their projects. The added accessories in the Dong Cheng kit enhance its value, particularly for users who need everything in one box to get started.

Price and Value

The DEWALT 7-1/4-Inch Circular Saw is priced at $135.00, while the Dong Cheng model is much more budget-friendly at $96.59. This price difference of about $38.41 makes the Dong Cheng saw an attractive option for those looking to save on upfront costs, especially for DIYers and casual users. However, the DEWALT's higher price may reflect its performance and build quality, making it suitable for more demanding professional applications.

Which should you buy?

Choosing between the DEWALT 7-1/4-Inch Circular Saw and the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit largely depends on your specific needs. If you require a powerful, corded saw with superior cutting capabilities and durability, the DEWALT is the better option. However, if portability, battery operation, and a comprehensive kit are your priorities, the Dong Cheng model offers excellent value at a lower price point. Consider your project requirements and budget before making a decision.