BDJHMP Corded Mini Circular Saw, 400W 110V 3400RPM vs Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
Updated July 2026 — BDJHMP Corded Mini Circular Saw, 400W 110V 3400RPM wins on price, Dong Cheng 20V MAX 7-1/4'' Brushless Cordless wins on cut depth and power.
The Dong Cheng circular saw offers superior power and versatility, making it the better choice for demanding tasks.
Why BDJHMP Corded Mini Circular Saw, 400W 110V 3400RPM is better
Affordability
Corded Mini Circular Saw is priced at $49.99.
Compact Size
Ideal for tight spaces and light-duty tasks.
Simplicity
User-friendly design for casual users.
Why Dong Cheng 20V MAX 7-1/4'' Brushless Cordless is better
Power
850W motor compared to 400W.
Cutting Depth
65mm depth at 90 degrees vs. ½ inch.
Cordless Convenience
True portability with a 20V battery.
Overall score
Specifications
| Spec | BDJHMP Corded Mini Circular Saw, 400W 110V 3400RPM | Dong Cheng 20V MAX 7-1/4'' Brushless Cordless |
|---|---|---|
| Motor Power | 400W | 850W |
| Max RPM | 3400 | 5000 |
| Battery | N/A | 20V |
| Cutting Depth | ½ inch | 65mm |
| Weight | Lightweight | 3.8kg |
Dimension comparison
Overview of the Products
The Corded Mini Circular Saw is priced at $49.99, making it significantly more affordable than the Dong Cheng 20V MAX Brushless Cordless Circular Saw Kit, which costs $96.59. Despite the price difference, each saw offers unique features that cater to different user needs.
The Corded Mini Circular Saw is designed for compact, multifunctional use with a 400W motor, while the Dong Cheng model is a more powerful 850W brushless saw, emphasizing cordless convenience and robust cutting capabilities. The choice between these tools ultimately depends on the user’s requirements for power, portability, and specific cutting tasks.
Power and Performance
In terms of power and performance, the Dong Cheng circular saw excels with its 850W brushless motor compared to the 400W motor of the Corded Mini Circular Saw. This higher wattage allows for faster cutting speeds, with the Dong Cheng reaching 5000 RPM, compared to the 3400 RPM of its counterpart.
The increased power of the Dong Cheng model makes it suitable for tougher materials like hardwood and decking boards, which may prove challenging for the lower-powered mini saw. Therefore, if users prioritize cutting speed and performance for heavy-duty tasks, the Dong Cheng saw is a preferable choice.
Cutting Depth and Blade Size
The cutting depth capabilities of these two saws illustrate their different applications. The Dong Cheng circular saw boasts impressive cutting depths of 65mm at 90 degrees and 45mm at 45 degrees, allowing it to handle larger lumber and thicker materials effectively.
On the other hand, the Corded Mini Circular Saw has a maximum cutting depth of just ½ inch, limiting its use to thinner materials like drywall and PVC. Therefore, users looking to tackle larger renovation projects or woodworking tasks will benefit more from the Dong Cheng's capabilities.
Mobility and Convenience
The Corded Mini Circular Saw is compact and lightweight, making it ideal for tight spaces and detailed cutting work. However, its corded design may restrict mobility, particularly for jobs that require movement around large areas or remote locations.
In contrast, the Dong Cheng circular saw is cordless and features a lightweight design at just 3.8kg, allowing for true portability. With a 20V battery, it offers freedom for overhead cutting and work in various locations without the hassle of cords. For users who value mobility and convenience, the Dong Cheng model is clearly the superior option.
Safety Features
Safety is a crucial aspect of any power tool, and both saws come equipped with features designed to protect users during operation. The Corded Mini Circular Saw includes a protective cover and requires users to press a dual switch for operation, ensuring enhanced safety during use.
Meanwhile, the Dong Cheng circular saw features a trigger lock switch to prevent accidental startups, which is particularly useful when navigating tricky job site conditions. This focus on safety makes both tools reliable options, but the specific features cater to different user preferences for safety mechanisms.
Dust Collection
Effective dust collection is essential for maintaining a clean workspace and improving visibility during cutting tasks. The Corded Mini Circular Saw includes a dust-poof system with a 1.68m dust extraction hose, which helps manage debris from cutting operations.
The Dong Cheng model also prioritizes cleanliness with an integrated dust port that connects to vacuums or sawdust bags, minimizing cleanup time during projects. While both tools address dust collection, the Dong Cheng's design may provide a more efficient solution for larger cutting jobs due to its compatibility with standard vacuum systems.
Target Audience
The Corded Mini Circular Saw is well-suited for DIY enthusiasts and casual users who require a simple, compact tool for light-duty tasks. Its affordability at $49.99 makes it an attractive option for those on a budget or those who only need a saw for occasional use.
Conversely, the Dong Cheng circular saw targets more serious DIYers and professionals who demand higher performance, versatility, and mobility in their tools. At $96.59, it represents a larger investment but offers features that justify the price for users engaged in frequent or demanding cutting tasks.
Which should you buy?
The choice between the Corded Mini Circular Saw and the Dong Cheng 20V MAX Brushless Cordless Circular Saw Kit ultimately depends on the user's specific needs and intended use. If budget and compact size are your top priorities, the Corded Mini Circular Saw is an excellent choice at $49.99. However, for those who require more power, greater cutting depth, and cordless convenience, the Dong Cheng model, priced at $96.59, offers superior performance and versatility. Consider your cutting needs, workspace, and safety preferences when making your decision.