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Dong Cheng 20V MAX 7-1/4'' Brushless Cordless vs Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -

Updated July 2026 — Dong Cheng 20V MAX 7-1/4'' Brushless Cordless leads on rpm and cut depth.

The Dong Cheng saw offers superior cutting capacity and included battery, while the Milwaukee saw is more durable and slightly cheaper.

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

Cutting Capacity

Larger 7-1/4" blade for deeper cuts

Included Battery

Comes with a 20V 4.0Ah battery

Higher RPM

5000 RPM for faster cutting

Why Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - is better

Durability

Magnesium guards for better protection

Price

Lower price at $94.00

Ergonomics

Soft-grip handle for comfort

Overall score

Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
85
Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -
78

Specifications

SpecDong Cheng 20V MAX 7-1/4'' Brushless CordlessMilwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -
Motor Power850WN/A
Dust ManagementYesNo
ErgonomicsStandardSoft-grip
Build QualityStandardDurable
VersatilityHighMedium

Dimension comparison

Dong Cheng 20V MAX 7-1/4'' Brushless CordlessMilwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -

Price Comparison

The Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit is priced at $96.59, while the Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw is slightly cheaper at $94.00. This means the Milwaukee saw is about 2.7% less expensive than the Dong Cheng model. Despite the small price difference, potential buyers may find the savings on the Milwaukee saw appealing, especially considering that it also boasts a solid sales rank of 17,973, indicating strong market demand.

Motor Power and Performance

When it comes to motor power, the Dong Cheng saw is equipped with an 850W brushless motor that delivers a speed of 5000 RPM. In contrast, the Milwaukee saw features a powerful 3,500 RPM motor that is capable of tackling tough materials like LVL headers. The higher RPM of the Dong Cheng model suggests it is designed for faster cutting, particularly in tougher materials, making it potentially more effective for heavy-duty tasks. However, the Milwaukee saw is still a robust choice for various applications, including plumbing and framing.

Blade Size and Cutting Capacity

The Dong Cheng model features a 7-1/4" blade, which allows for a maximum cutting depth of 65mm at 90 degrees and 45mm at 45 degrees. This size provides enhanced cross-cutting capacity, making it ideal for handling larger materials. The Milwaukee saw, on the other hand, comes with a 6-1/2" blade, which offers precise rip cuts due to its aircraft aluminum shoe. While both saws are effective, the larger blade of the Dong Cheng model may be more advantageous for users needing to cut through thicker materials.

Dust Management Features

Effective dust management is a notable feature of the Dong Cheng saw, which includes an integrated dust port that can connect to wet/dry vacs or sawdust bags. This feature significantly reduces cleanup time and enhances safety by maintaining clear cutting lines. The Milwaukee saw does not explicitly mention any dust management capabilities, which may be a consideration for users who prioritize a cleaner working environment. The enhanced dust collection of the Dong Cheng model may provide added convenience for users engaged in extensive cutting tasks.

Build Quality and Design

The Milwaukee saw is designed with durability in mind, featuring magnesium upper and lower guards to protect the blade from drops and wear. Its ergonomic soft-grip handle ensures user comfort and control during operation. In contrast, the Dong Cheng saw emphasizes its lightweight design, weighing only 3.8kg, which facilitates easier handling during overhead cuts and remote location work. While both saws are designed for durability and usability, the Milwaukee's build quality may offer additional reassurance for users who frequently work in tough conditions.

Versatility in Applications

The Dong Cheng saw is built for trade experts and serious DIYers, making it suitable for a variety of applications such as rough carpentry, custom woodworking, and shed construction. The inclusion of multiple blades (24T and 40T) also enhances its versatility for different cutting tasks. Meanwhile, the Milwaukee saw is ideal for plumbing, electrical work, framing, and finishing tasks, showcasing its adaptability across various job types. Both saws serve diverse applications, but the Dong Cheng model may cater more to those focused on heavy-duty woodworking.

Battery and Cordless Freedom

The Dong Cheng saw includes a 20V 4.0Ah Li-ion battery, promoting true cordless freedom that is essential for on-site use. This battery is interchangeable with other tools from the same brand, enhancing productivity throughout the workday. In contrast, the Milwaukee saw is sold as a bare tool, meaning it does not come with batteries or chargers, which could lead to additional expenses for users who do not already own compatible batteries. The complete package offered by the Dong Cheng model makes it more appealing for those seeking a ready-to-use solution.

Which should you buy?

In conclusion, choosing between the Dong Cheng 20V MAX 7-1/4'' Brushless Circular Saw Kit and the Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw ultimately depends on your specific needs. If you prioritize a larger blade, higher RPM, and included battery and charger, the Dong Cheng saw could be the better option for you, despite its slightly higher price. However, if you seek a robust, durable tool for various applications and are willing to invest in separate batteries, the Milwaukee saw offers excellent performance at a slightly lower price. Each saw has its strengths, making them both worthy contenders in the circular saw market.