DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only vs Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
Updated July 2026 — DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only wins on price, Dong Cheng 20V MAX 7-1/4'' Brushless Cordless wins on rpm and battery.
The DEWALT ATOMIC 20V MAX* Circular Saw offers superior brand reputation and advanced features, while the Dong Cheng provides excellent value for budget-conscious buyers.
Why DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only is better
Brand Reputation
DEWALT is a well-established brand with a high bestseller rank.
User Features
DEWALT includes a removable auxiliary handle and on-board blade key storage.
Safety Features
DEWALT has an electronic blade brake for quick stops.
Why Dong Cheng 20V MAX 7-1/4'' Brushless Cordless is better
Price
Dong Cheng is significantly cheaper at $96.59.
Cutting Capacity
Dong Cheng has a larger 7-1/4 inch blade for deeper cuts.
Dust Collection
Dong Cheng features an integrated dust port for better cleanup.
Overall score
Specifications
| Spec | DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only | Dong Cheng 20V MAX 7-1/4'' Brushless Cordless |
|---|---|---|
| Motor Power | Brushless | 850W |
| Cut Depth 90° | 1.5 in. | 65mm |
| Cut Depth 45° | 1 in. | 45mm |
| Sales Rank | 14687 | 87789 |
| Dust Port | On-board | Integrated |
Dimension comparison
Price Comparison
The Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit is significantly more affordable than the DEWALT ATOMIC 20V MAX* Circular Saw, priced at $96.59 compared to DEWALT's $159.00. This represents a price difference of about 39%, making the Dong Cheng an attractive option for budget-conscious buyers. While the DEWALT offers advanced features, the cost disparity may sway users who prioritize a lower initial investment. For those seeking a circular saw that delivers solid performance without breaking the bank, the Dong Cheng provides excellent value.
Power and Performance
In terms of power and performance, the Dong Cheng boasts an 850W brushless motor that operates at 5000 RPM, allowing it to cut through various materials, including hardwood and plywood, with ease. In contrast, the DEWALT's brushless motor is designed for cutting 3/4 in. OSB and can achieve up to 369 linear feet on a DCB205 battery. While both saws provide robust cutting capabilities, the higher RPM of the Dong Cheng may offer faster cuts, especially for demanding tasks. Users requiring high-torque performance in a portable format may find the Dong Cheng better suited to their needs.
Cutting Capacity
The cutting capacity of both saws varies significantly, with the Dong Cheng featuring a 7-1/4-inch blade that can achieve a maximum cutting depth of 65mm at 90 degrees and 45mm at 45 degrees. This makes it ideal for framing projects and cutting thicker materials. Conversely, the DEWALT utilizes a smaller 4-1/2-inch blade, which limits its maximum cutting depth but still allows for effective cuts in 2x and 1x materials. Users planning to tackle larger materials or more extensive construction tasks may prefer the Dong Cheng for its superior cutting capacity.
Bevel Capability
Bevel capability is another area where the two models differ. The DEWALT allows users to bevel at 45 degrees, making it suitable for specific applications like cutting 1x dimensional lumber. On the other hand, the Dong Cheng offers a 0-45 degree bevel capability, providing versatility for various angles needed in framing and finish work. This broader range in the Dong Cheng allows for more flexible cutting options, which can be beneficial for users engaged in detailed carpentry or renovation projects.
Dust Collection Features
Effective dust management is crucial for maintaining a clean workspace. The Dong Cheng includes an integrated dust port that connects to wet/dry vacs or sawdust bags, significantly reducing cleanup time and improving visibility during cutting tasks. The DEWALT also features an on-board dust port for dust control, but it may not match the efficiency of the Dong Cheng's dedicated dust collection system. For users working in confined spaces or those who prioritize cleanliness, the Dong Cheng's dust extraction capabilities may provide a notable advantage.
User Convenience
User convenience features are prominent in both models, but they cater to slightly different needs. The DEWALT includes a removable auxiliary handle for enhanced control and a hang hook for easy storage. Additionally, it has on-board blade key storage for hassle-free blade changes. The Dong Cheng, however, offers a trigger lock switch to prevent accidental startups, which is a crucial safety feature for those working in elevated or precarious positions. While both circular saws enhance user experience, the choice may depend on whether convenience during use or safety in operation takes precedence.
Brand Reputation
Brand reputation can often influence purchasing decisions. DEWALT is well-known in the power tool industry, with a bestseller rank of 14687, which reflects its popularity and trust among users. The Dong Cheng, while a solid contender, has a higher sales rank of 87789, indicating it is less established in the market. For users who place a high value on brand reliability and market presence, DEWALT may be the preferred choice, despite the higher price point.
Which should you buy?
Ultimately, the choice between the DEWALT ATOMIC 20V MAX* Circular Saw and the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit hinges on individual needs and priorities. If budget is a primary concern, the Dong Cheng, priced at $96.59, offers remarkable value with its powerful motor, larger cutting capacity, and enhanced dust collection features. However, if brand loyalty and advanced user-friendly features are more important, the DEWALT, priced at $159.00, might be worth the investment. Each product has its strengths, making them suitable for different applications and preferences in the world of circular saws.