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

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

The DEWALT Circular Saw excels in power and cutting depth, while the Dong Cheng offers portability and cost-effectiveness.

Why DEWALT Circular Saw, 7-1/ is better

Power

15 amp motor vs 850W brushless motor

Cutting Depth

2-9/16 inches vs unspecified depth

Bevel Capacity

57 degrees vs 45 degrees

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

Price

$173.97 vs $96.59

Weight

8.8 lbs vs 8.4 lbs

Dust Management

Integrated dust port vs dust blower

Overall score

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

Specifications

SpecDEWALT Circular Saw, 7-1/Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
Motor15 amp850W brushless
Max RPMN/A5000
Electric BrakeYesNo
Dust PortBlowerYes
Warranty3 years1 year

Dimension comparison

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

Overview

The DEWALT Circular Saw and the Dong Cheng 20V MAX Brushless Cordless Circular Saw Kit are two competitive options in the circular saw market, each tailored for different user needs. The DEWALT saw, priced at $173.97, is a corded model designed for power and consistent performance, while the Dong Cheng saw offers cordless convenience at a much lower price of $96.59, making it about 44% cheaper.

Power and Performance

When it comes to power, the DEWALT Circular Saw features a robust 15 amp motor that delivers exceptional cutting performance, making it suitable for tough applications. In contrast, the Dong Cheng saw, equipped with an 850W brushless motor, operates at 5000 RPM, allowing it to handle a variety of materials like hardwood and PVC pipes effectively. Despite being less powerful in terms of amperage, the cordless nature of the Dong Cheng saw offers flexibility on job sites where power outlets may not be readily available.

Weight and Portability

Portability is a significant advantage of the Dong Cheng Circular Saw, weighing only 3.8 kg (approximately 8.4 lbs), making it lighter than the DEWALT saw, which weighs 8.8 lbs. This difference may seem minor, but for users who frequently transport their tools or work in tight spaces, the reduced weight and cordless design of the Dong Cheng saw can greatly enhance usability. The DEWALT saw, while slightly heavier, remains a top choice for users who prioritize consistent power over mobility.

Bevel Capacity

The DEWALT Circular Saw boasts an impressive bevel capacity of up to 57 degrees, allowing for versatile cutting angles with stops at 45 degrees and 22.5 degrees. This feature is particularly beneficial for those who engage in complex woodworking or construction projects. On the other hand, the Dong Cheng saw has a maximum bevel capability of 45 degrees, which may limit its versatility in certain applications. Users needing advanced bevel options may find the DEWALT saw more suited to their needs.

Cutting Depth

For cutting depth, the DEWALT saw can achieve a maximum cut of 2-9/16 inches, offering substantial depth for various materials. The Dong Cheng saw, while it does not specify its maximum cutting depth, provides a 65mm depth at 90 degrees, which is adequate for standard 2x4 lumber. Users requiring deeper cuts for thicker materials may lean towards the DEWALT saw for its superior depth capabilities.

Dust Management

The Dong Cheng Circular Saw has an integrated dust port that connects to wet/dry vacs or sawdust bags, significantly reducing cleanup time and maintaining a clear line of sight during cutting tasks. This feature is particularly advantageous for indoor projects or when working with materials that create substantial debris. The DEWALT saw includes an integrated dust blower to keep the cutting line clear, but it may not provide the same level of dust management as the dedicated port of the Dong Cheng model.

User Safety

Safety features are essential in power tools, and both models have unique offerings. The DEWALT saw includes an electric brake that stops the blade immediately after the trigger is released, enhancing user safety during operation. The Dong Cheng saw, however, features a trigger lock switch that prevents accidental startups, reducing risks when maneuvering on ladders or rafters. Both tools prioritize user safety, but the DEWALT saw's electric brake may provide an added layer of confidence for users in demanding environments.

Price Comparison

Price is a crucial factor in any purchasing decision, and there is a significant difference between the two models. The DEWALT Circular Saw is priced at $173.97, while the Dong Cheng saw is available for $96.59, making it about 44% cheaper. This price difference could be a determining factor for budget-conscious buyers or those seeking reliable performance without breaking the bank. While the DEWALT saw offers more powerful features, the Dong Cheng model presents an attractive value proposition for casual users or DIY enthusiasts.

Which should you buy?

Ultimately, the choice between the DEWALT Circular Saw and the Dong Cheng 20V MAX Brushless Cordless Circular Saw Kit depends on your specific needs. If you prioritize power, depth of cut, and advanced bevel capabilities, the DEWALT saw is a solid investment. However, for those who value portability, cost-effectiveness, and dust management, the Dong Cheng saw stands out as a compelling alternative. Consider your typical projects and work environments to determine which saw aligns best with your requirements.