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Dong Cheng 20V MAX 7-1/4'' Brushless Cordless vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm

Updated July 2026 — Dong Cheng 20V MAX 7-1/4'' Brushless Cordless wins on motor power and cut depth, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on price and bevel angle.

The Dong Cheng 20V MAX offers excellent value with its features and lower price, while the SKILSAW SPT77W-01 is a powerful, traditional option. Ultimately, the choice depends on user needs.

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

Price

Dong Cheng is $96.59, significantly cheaper than SKILSAW's $181.28.

Weight

Dong Cheng weighs 3.8 kg, much lighter than SKILSAW's 14.2 lbs.

Dust Management

Dong Cheng has an integrated dust port for better cleanup.

Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better

Brand Reputation

SKILSAW has a long-standing reputation for durability.

Bevel Capability

SKILSAW offers a 51-degree bevel for more cutting options.

Motor Design

SKILSAW features a Dual-Field motor for enhanced cooling.

Overall score

Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
85
SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
78

Specifications

SpecDong Cheng 20V MAX 7-1/4'' Brushless CordlessSKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Motor TypeBrushlessDual-Field
Included Blades20
Dust PortYesNo
Trigger LockYesNo
Warranty1 Year1 Year

Dimension comparison

Dong Cheng 20V MAX 7-1/4'' Brushless CordlessSKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm

Overview of the Dong Cheng 20V MAX and SKILSAW SPT77W-01

When it comes to circular saws, the Dong Cheng 20V MAX and SKILSAW SPT77W-01 are two strong contenders. The Dong Cheng is priced at $96.59, making it about 47% cheaper than the SKILSAW, which retails for $181.28. This price difference can be significant for both professional tradespeople and DIY enthusiasts looking for value without sacrificing quality.

The Dong Cheng is a 20V cordless model that emphasizes portability and ease of use, while the SKILSAW is a traditional worm drive saw known for its durability and power. Both saws cater to different user preferences and project needs, making a detailed comparison essential.

Power and Performance

The Dong Cheng 20V MAX features an 850W brushless motor that delivers impressive cutting power at 5000 RPM. This high-torque performance allows it to cut through various materials, including hardwood and PVC, efficiently. In contrast, the SKILSAW SPT77W-01 is equipped with a 15-Amp Dual-Field motor specifically designed to enhance cooling and extend the tool’s life. While the SKILSAW is powerful, the Dong Cheng’s brushless technology may offer a longer lifespan and lower maintenance needs.

In terms of weight, the Dong Cheng is relatively lightweight at 3.8 kg (approximately 8.4 lbs), allowing for easy maneuverability, especially during overhead cuts. The SKILSAW, on the other hand, weighs 14.2 lbs without the blade, which could lead to user fatigue during prolonged use. Therefore, if power-to-weight ratio is a significant factor for you, the Dong Cheng may have the edge.

Cutting Depth and Bevel Capability

When it comes to cutting depth, the Dong Cheng boasts a maximum depth of 65mm at 90 degrees and 45mm at 45 degrees. This capability is ideal for tackling 2x4 lumber and baseboard miters, making it versatile for a range of renovation projects. The adjustable bevel capability from 0 to 45 degrees allows for precise cuts, particularly useful in complex framing tasks.

Conversely, the SKILSAW offers a 51-degree bevel capacity, which provides a broader range for angled cuts. This feature might appeal to users who frequently work on projects requiring intricate bevel cuts. However, the depth of cut is not specified, which could limit its versatility compared to the Dong Cheng.

Design and Ergonomics

The Dong Cheng is designed with user comfort in mind, featuring an anti-slip grip and a balanced body, which minimizes fatigue during prolonged use. Its trigger lock switch enhances job site safety by preventing accidental startups, particularly while navigating challenging environments like ladders or rafters.

In contrast, the SKILSAW's lightweight construction also aims to reduce user fatigue. The integrated saw hook allows for safe placement on rafters, a thoughtful addition for construction professionals. Nevertheless, the overall design of the Dong Cheng may provide better handling during extended cutting sessions, making it more comfortable for the user.

Dust Management

Dust management is a critical aspect of using circular saws, and here the Dong Cheng shines with its integrated dust port. This feature connects to wet/dry vacuums or sawdust bags, significantly reducing cleanup time and maintaining clear cutting lines, which is especially beneficial during drywall or subfloor installations.

The SKILSAW lacks a dedicated dust collection system, which could lead to more debris during use. For professionals working in environments where cleanliness is essential, the Dong Cheng’s dust management capabilities could enhance overall work efficiency and safety.

Included Accessories

The Dong Cheng comes as a complete kit, including both a 24T and a 40T carbide blade, a rip fence guide, and a universal vacuum adapter. These accessories make it contractor-ready right out of the box, ideal for those who want to get to work immediately without the need for additional purchases.

On the other hand, the SKILSAW is sold as a standalone unit and does not include any additional accessories. While it is a highly regarded tool in its own right, the lack of included accessories may necessitate extra spending for buyers needing blades or additional equipment.

Sales Rank and Market Position

In terms of market performance, the Dong Cheng has a sales rank of 87,789, while the SKILSAW enjoys a much higher rank of 39,282. This difference suggests that the SKILSAW is more popular among consumers, potentially due to its established reputation and brand recognition. However, it’s essential to consider that the Dong Cheng is priced significantly lower, which may appeal to budget-conscious buyers.

Despite the SKILSAW’s popularity, the Dong Cheng’s competitive pricing and feature-rich offering could attract a different segment of users looking for value and functionality.

Which should you buy?

Choosing between the Dong Cheng 20V MAX and the SKILSAW SPT77W-01 ultimately depends on your specific needs. If you prioritize portability, a lower price point, and integrated dust collection, the Dong Cheng stands out as a compelling option at $96.59. It offers great cutting power, versatility in cutting depth and angles, and a complete kit for immediate use.

However, if you are looking for a robust, traditional saw with a well-established reputation and don’t mind spending more, the SKILSAW, priced at $181.28, may be the better fit. It provides excellent durability and performance, particularly for demanding job site conditions.

In summary, for those who need a reliable, feature-rich cordless saw at a more accessible price, the Dong Cheng is an excellent choice. For users who require a powerful tool with a legacy of performance, the SKILSAW remains a strong contender.