vsversusfinder

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

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

The ALLOYMAN offers superior speed and compactness, while the Dong Cheng excels in cutting depth and versatility.

Why ALLOYMAN 20V Cordless Mini Circular Saw, Brushless is better

Higher RPM

ALLOYMAN operates at 18,000 RPM compared to Dong Cheng's 5,000 RPM.

Compact Size

ALLOYMAN's 3-inch blade allows for easier handling in tight spaces.

Price

ALLOYMAN is priced lower at $79.99.

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

Larger Blade

Dong Cheng features a 7-1/4 inch blade for deeper cuts.

Dust Extraction

Dong Cheng includes a dust collection adaptor for cleaner work.

Versatile Kit

Dong Cheng comes with two carbide blades for different cutting tasks.

Overall score

ALLOYMAN 20V Cordless Mini Circular Saw, Brushless
85
Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
88

Specifications

SpecALLOYMAN 20V Cordless Mini Circular Saw, BrushlessDong Cheng 20V MAX 7-1/4'' Brushless Cordless
Motor TypeBrushlessBrushless
Max RPM18,0005,000
Cutting Depth0.83 in2.56 in
Included Blades32
Dust CollectionNoYes

Dimension comparison

ALLOYMAN 20V Cordless Mini Circular Saw, BrushlessDong Cheng 20V MAX 7-1/4'' Brushless Cordless

Overview of the ALLOYMAN 20V Cordless Mini Circular Saw

The ALLOYMAN 20V Cordless Mini Circular Saw is an efficient cutting tool designed for versatility and ease of use. Priced at $79.99, it features a brushless motor that operates at a remarkable 18,000 RPM, allowing it to cut through various materials like wood, metal, and PVC with speed and precision. This compact saw is engineered for both safety and control, with an adjustable depth system that ensures accurate cuts up to 0.83 inches. The inclusion of three specialized blades tailored for different materials enhances its utility, making it suitable for a range of applications from HVAC installations to automotive repairs.

Overview of the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit

The Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit retails for $96.59 and is engineered for heavy-duty performance. With an 850W brushless motor that delivers 5,000 RPM, this saw can efficiently tackle hardwood, plywood, and other materials. It boasts a maximum cutting depth of 65mm at 90 degrees, ideal for typical framing tasks. The kit comes with two high-quality carbide blades, ensuring that users have the right tools for both ripping and fine finish cuts. The dust extraction feature adds to its practicality, keeping the workspace clean and safe during use.

Performance Comparison

In terms of performance, the ALLOYMAN saw offers a higher RPM of 18,000, which contributes to faster and cleaner cuts compared to the Dong Cheng's 5,000 RPM. This makes the ALLOYMAN more suitable for tasks that require quick, precise cutting across various materials. However, the Dong Cheng compensates with a larger blade size of 7-1/4 inches, which allows for deeper cuts, particularly in lumber. While the ALLOYMAN excels in speed, the Dong Cheng's cutting depth may be more beneficial for construction tasks requiring substantial material removal.

Safety Features

Safety is paramount in tool design, and both saws integrate features that enhance user protection. The ALLOYMAN includes a forward and reverse cutting direction, which helps reduce kickback and improve handling in tight spaces. Its fully adjustable safety guard also provides protection from sparks and debris. On the other hand, the Dong Cheng incorporates a trigger lock switch that prevents accidental startups, a critical feature for users working in precarious positions. Both tools offer ergonomic designs to reduce fatigue, but the ALLOYMAN has a slight edge with its tailored features for safer operation in various environments.

Portability and Ease of Use

When it comes to portability, the ALLOYMAN's compact design allows it to fit into tighter spaces, making it particularly effective for overhead work or in confined areas where larger saws cannot operate. Weighing in as a lightweight option, it promotes ease of handling. In contrast, the Dong Cheng, while still portable, is bulkier due to its larger blade size. This saw is designed for more substantial projects and may require more effort to maneuver in tight spaces, although its lightweight body does help mitigate this concern.

Battery and Runtime

Both saws come with a 4.0Ah battery and charger, ensuring that users have sufficient power for extended tasks. The ALLOYMAN’s design allows for a quicker recharge time due to its efficient brushless motor, which can lead to more uptime during projects. The Dong Cheng, with its battery interchangeable with other tools in the brand's lineup, provides flexibility for users who may own multiple Dong Cheng products, enhancing overall productivity on the job site. Although both options offer similar battery capacities, the ALLOYMAN's focus on rapid charge and use makes it a competitive choice.

Price Comparison

The ALLOYMAN is priced at $79.99, making it about 17% cheaper than the Dong Cheng, which is priced at $96.59. This price difference may appeal to budget-conscious consumers looking to invest in a quality tool without breaking the bank. However, the slightly higher price of the Dong Cheng may reflect its added features, such as the larger blade size and enhanced cutting capabilities. Ultimately, price should be weighed against the specific needs of the user to determine which tool offers the best value.

Which should you buy?

In deciding between the ALLOYMAN 20V Cordless Mini Circular Saw and the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit, consider your specific cutting needs. If you prioritize speed and compact design for quick tasks, the ALLOYMAN is a strong contender. However, for those requiring deeper cuts and a versatile cutting capability, the Dong Cheng may be the better choice despite its higher price. Ultimately, both products bring unique strengths, making them suitable for different types of users and projects.