DEWALT 20V MAX Circular Saw, Cordless Sidewinder vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Updated July 2026 — DEWALT 20V MAX Circular Saw, Cordless Sidewinder wins on rpm, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on sales rank and price.
The DEWALT 20V MAX Circular Saw offers better portability and value, while the SKILSAW SPT77W-01 excels in power and durability.
Why DEWALT 20V MAX Circular Saw, Cordless Sidewinder is better
Price
DEWALT is $52.28 cheaper than SKILSAW
Portability
DEWALT is cordless and lighter
User Comfort
DEWALT features an optimized grip for better handling
Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better
Power
SKILSAW has a 15-amp motor for heavy-duty tasks
Blade Size
SKILSAW has a larger 7-1/4 inch blade
Durability
SKILSAW is made of aluminum for enhanced resilience
Overall score
Specifications
| Spec | DEWALT 20V MAX Circular Saw, Cordless Sidewinder | SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm |
|---|---|---|
| Motor Type | Brushless | Dual-Field |
| Warranty | 3 Years | Not Specified |
| Grip Type | Rubber Over-Molded | Standard |
| Cut Depth @ 90° | 2-1/8 inches | Not Specified |
| Cut Depth @ 45° | 1-5/8 inches | Not Specified |
Dimension comparison
Overview
When comparing the DEWALT 20V MAX Circular Saw and the SKILSAW SPT77W-01, it’s clear that both tools cater to different user needs and preferences. The DEWALT model, priced at $129.00, is designed for portability and ease of use, while the SKILSAW, costing $181.28, focuses on power and durability. This article explores their features to help you determine which circular saw fits your requirements better.
Power and Performance
The DEWALT 20V MAX Circular Saw features a 5,150 RPM motor, delivering the power necessary for demanding cuts. In contrast, the SKILSAW SPT77W-01 is equipped with a 15-amp Dual-Field motor, designed specifically for saws to enhance cooling and prolong tool life. While both saws boast impressive performance, the DEWALT provides a higher RPM, making it suitable for faster cutting tasks. However, the SKILSAW’s motor is engineered for durability, which may appeal to users who prioritize longevity and sustained performance over speed.
Blade Size and Versatility
In terms of blade size, the DEWALT model has a 6-1/2 inch blade, while the SKILSAW offers a larger 7-1/4 inch blade. This difference gives the SKILSAW an advantage in cutting thicker materials, as its larger blade can handle deeper cuts. The DEWALT saw allows for a bevel capacity of 0-50 degrees, enabling aggressive bevel cuts for various applications. Conversely, the SKILSAW features a 51-degree bevel, granting a slightly greater range for angled cuts. Users who frequently work with thicker materials may find the SKILSAW’s blade size more advantageous, but the DEWALT’s versatility in bevel cuts is noteworthy.
Weight and Portability
The DEWALT 20V MAX is designed with portability in mind, making it a lightweight option for those who need to move their tools frequently. Its cordless design adds to this convenience, as it eliminates the need for power outlets on the job site. The SKILSAW SPT77W-01, while still relatively lightweight at 14.2 lbs without the blade, is not as portable due to its corded nature. Users who prioritize mobility will likely prefer the DEWALT saw, especially for outdoor or remote projects where electrical outlets may not be available.
Durability and Build Quality
When considering build quality, the SKILSAW SPT77W-01 is constructed with aluminum, which enhances its durability and longevity. In comparison, the DEWALT 20V MAX features a high-strength magnesium shoe, offering job site durability while remaining lightweight. Both saws are built to withstand rigorous use, but the SKILSAW's aluminum construction may provide an edge in terms of resilience under heavy-duty conditions. Users who require a robust tool for frequent use in demanding environments might lean towards the SKILSAW.
User Comfort and Ergonomics
The DEWALT 20V MAX prioritizes user comfort with its optimized rubber over-molded grip, which ensures balance and control during operation. This feature is particularly beneficial for prolonged use, reducing user fatigue. On the other hand, the SKILSAW SPT77W-01, while also designed to minimize user fatigue, does not highlight specific ergonomic features as prominently. Therefore, if comfort and ease of handling are essential for you, the DEWALT model may be the better choice.
Warranty and Support
Both the DEWALT 20V MAX and the SKILSAW SPT77W-01 come with warranties, which provide users with peace of mind regarding their purchase. The DEWALT offers a 3-year limited warranty, a standard in the industry that assures buyers of the tool's reliability. The SKILSAW does not specify its warranty in the data provided, which could potentially impact buyer confidence. A clear warranty can be a significant factor in decision-making, particularly for users who plan to invest in a high-end tool.
Price Comparison
The DEWALT 20V MAX is priced at $129.00, making it about 29% cheaper than the SKILSAW SPT77W-01, which retails for $181.28. This price difference may significantly influence your choice, especially if you are on a budget. The DEWALT saw also boasts a better sales rank at 2,199 compared to the SKILSAW’s rank of 39,282, indicating that it is a more popular choice among consumers. If cost-effectiveness is a priority, the DEWALT offers strong value for its features.
Which should you buy?
Choosing between the DEWALT 20V MAX Circular Saw and the SKILSAW SPT77W-01 ultimately depends on your specific needs. If you require a lightweight, portable saw with quick cutting capabilities, the DEWALT is the superior option, especially given its lower price and user-friendly features. However, if you prioritize power and durability for heavy-duty tasks, the SKILSAW’s robust construction and larger blade may make it the better choice for your projects. Consider your typical use cases and preferences to determine which saw aligns best with your woodworking or construction needs.

