DEWALT 20V MAX* 6-1/2 in. Brushless Cordless vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Updated July 2026 — DEWALT 20V MAX* 6-1/2 in. Brushless Cordless wins on speed and power, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on weight and price.
The DEWALT 20V MAX offers superior speed and safety features, while the SKILSAW provides a more affordable option with solid performance. Ultimately, the DEWALT is the better choice for those prioritizing advanced features.
Why DEWALT 20V MAX* 6-1/2 in. Brushless Cordless is better
Speed
DEWALT has a higher RPM at 4,950.
Safety
DEWALT includes an electric brake.
Dust Management
DEWALT features an optional dust chute.
Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better
Price
SKILSAW is $12.70 cheaper.
Weight
SKILSAW is lighter at 14.2 lbs.
Bevel Capacity
SKILSAW has a 51° bevel.
Overall score
Specifications
| Spec | DEWALT 20V MAX* 6-1/2 in. Brushless Cordless | SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm |
|---|---|---|
| Motor Type | Brushless | Dual-Field |
| Max RPM | 4950 | Not specified |
| Max Cut Depth | 2-1/8 in | Not specified |
| Bevel Angle | 50° | 51° |
| Cordless | Yes | No |
Dimension comparison
Overview of DEWALT 20V MAX and SKILSAW SPT77W-01
When comparing the DEWALT 20V MAX 6-1/2 in. Brushless Cordless Circular Saw and the SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm Drive Circular Saw, each offers unique features catering to different user needs. The DEWALT is priced at $193.98, while the SKILSAW comes in slightly cheaper at $181.28, making it about 6.5% less expensive. However, the choice between these two renowned brands involves more than just price; it encompasses features, design, and overall performance.
Power and Performance
The DEWALT offers a powerful brushless motor capable of delivering 4,950 RPM, ensuring fast and efficient cutting across various materials. This saw also features a max depth of cut of 2-1/8 inches at 90°, which is quite impressive for a 6-1/2 inch saw. On the other hand, the SKILSAW boasts a robust 15-amp Dual-Field Motor designed specifically for saws, enhancing cooling and tool longevity. While the DEWALT excels in sheer speed, the SKILSAW's motor is built for durability, making it ideal for extended use in demanding environments.
Design and Build Quality
In terms of design, the DEWALT is lightweight and compact, enhancing maneuverability on the job site. Its built-in rafter hook is a practical feature for convenient storage. Meanwhile, the SKILSAW weighs 14.2 lbs without the blade, cord, and wrench, which contributes to reduced user fatigue. However, its aluminum construction makes it durable and able to withstand tough conditions. Both saws incorporate user-friendly designs, but the DEWALT's compactness may offer an edge in tight spaces.
Cutting Capacity and Versatility
The DEWALT's tool-free depth and bevel adjustments enable quick changes, allowing users to switch between cuts effortlessly. It provides a bevel capacity of up to 50°, offering versatility in cutting angles. Conversely, the SKILSAW features a 51° bevel, allowing it to tackle a wide variety of cuts, which could be beneficial for more complex projects. While both saws are versatile, the SKILSAW's slightly greater bevel capacity may appeal more to users who require varied cutting angles.
Safety Features
Safety is paramount in power tools, and both saws come equipped with essential safety features. The DEWALT includes an electric brake that quickly stops the blade once the trigger is released, minimizing the risk of accidents. The SKILSAW, on the other hand, has an integrated saw hook that ensures safe rafter placement, enhancing job site safety. Both products take safety seriously, but the DEWALT's electric brake system offers an additional layer of protection that may appeal to cautious users.
Dust Management
Effective dust management can significantly improve visibility and cut accuracy. The DEWALT features an optional dust chute compatible with the DEWALT airlock system or standard 35 mm dust extractors, which helps keep the work area clean. The SKILSAW does not explicitly mention dust management features, which may be a consideration for users working in environments where dust control is essential. In this aspect, the DEWALT provides a more comprehensive solution for maintaining a tidy workspace.
Battery and Power Source
The DEWALT is a cordless model, compatible with all DEWALT 20V MAX and FLEXVOLT batteries, offering the convenience of mobility without a power cord. This feature is particularly advantageous for outdoor projects or areas without readily accessible power sources. In contrast, the SKILSAW relies on a traditional power cord, which may limit mobility but ensures consistent power without the worry of battery life. Depending on your work environment, this distinction may significantly impact your choice.
Price Comparison
The DEWALT is priced at $193.98, while the SKILSAW is available for $181.28, making the SKILSAW about $12.70 cheaper. This price difference of approximately 6.5% could be a deciding factor for budget-conscious buyers. However, while the initial cost is lower for the SKILSAW, prospective buyers should consider the long-term value of features and performance against the price.
Which should you buy?
Choosing between the DEWALT 20V MAX and the SKILSAW SPT77W-01 ultimately depends on your specific needs and preferences. If you prioritize mobility, speed, and advanced safety features, the DEWALT may be the better option despite its higher price. Conversely, if you are looking for a more affordable option with a powerful motor and solid cutting capabilities, the SKILSAW could be the right choice. Both saws have their strengths, so carefully evaluating how each aligns with your projects will lead you to the best decision for your tool collection.

