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DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only vs SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight

Updated July 2026 — SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight leads on price and motor.

The DEWALT ATOMIC Circular Saw offers better value and efficiency, while the SKILSAW excels in power and versatility.

Why DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only is better

Price

DEWALT is $20 cheaper than SKILSAW

Weight

DEWALT is lighter and more portable

Efficiency

DEWALT cuts more linear feet per charge

Why SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight is better

Power

SKILSAW has a more powerful 15-Amp motor

Bevel Capacity

SKILSAW offers a 53° bevel for versatility

Durability

SKILSAW features rugged magnesium housing

Overall score

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only
85
SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight
78

Specifications

SpecDEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlySKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight
Motor TypeBrushless15-Amp
Cutting Capacity369 ftN/A
Dust ControlYesNo
Electronic BrakeYesNo
Auxiliary HandleYesNo

Dimension comparison

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlySKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight

Overview of the DEWALT ATOMIC 20V MAX* Circular Saw

The DEWALT ATOMIC 20V MAX* Circular Saw is a compact and versatile tool designed for various applications. Priced at $159.00, it is about 11% cheaper than the SKILSAW, making it an appealing option for those seeking value. With a brushless motor, this saw can cut up to 369 linear feet of 3/4 in. OSB using a DCB205 battery (sold separately). Its features cater to both professional and DIY users, ensuring reliability and convenience.

Overview of the SKILSAW SPT77WML-01

The SKILSAW SPT77WML-01 is a powerful 15-Amp worm drive circular saw, retailing at $179.00. Though it is priced higher than the DEWALT, its construction emphasizes durability with magnesium housing, which keeps the motor cooler during heavy use. This saw stands out for its lightweight construction at just 11.5 lbs., allowing for reduced user fatigue. The model is designed for efficient cutting, with a 53° bevel that enables a wider variety of cuts, making it suitable for various job sites.

Cutting Power and Efficiency

In terms of cutting power, the SKILSAW SPT77WML-01 features a robust 15-Amp motor, providing significant ripping capability for lumber. This is particularly beneficial for users who frequently work with thicker or denser materials. Conversely, the DEWALT ATOMIC Circular Saw, equipped with a brushless motor, excels in efficiency, allowing users to cut an impressive 369 linear feet of 3/4 in. OSB. While the DEWALT offers more extended cutting capability with the right battery, the SKILSAW's motor power ensures faster cuts through tougher materials.

Design and Usability

The DEWALT ATOMIC Circular Saw is designed for ease of use, with a removable auxiliary handle that enhances control during operation. It also features a hang hook for convenience and an on-board blade key storage, simplifying the blade change process. Meanwhile, the SKILSAW prioritizes user comfort with its lightweight magnesium construction, which minimizes fatigue during prolonged use. Both saws cater to user needs, but the DEWALT's additional convenience features may appeal more to users who value ease of operation.

Bevel Capacity and Versatility

The SKILSAW SPT77WML-01 offers a bevel capacity of up to 53°, allowing for a broader range of cuts, which is particularly advantageous for complex projects. On the other hand, the DEWALT allows for bevel cuts at 45°, suitable for standard dimensional lumber. While both saws provide essential bevel capabilities, the SKILSAW’s superior angle offers greater versatility for intricate work, making it a better choice for contractors and professionals who often require precise bevel cuts.

Safety Features

Safety is crucial when operating power tools, and both saws incorporate features to ensure user protection. The DEWALT ATOMIC Circular Saw includes an electronic blade brake that stops the blade quickly, enhancing safety and productivity. Additionally, it has an on-board dust port for better dust control, improving visibility during cuts. The SKILSAW features an anti-snag lower guard that ensures smooth operation, especially for small cut-off pieces. Both saws emphasize safety, but the DEWALT's electronic brake may provide an added layer of security for users.

Price Comparison

The DEWALT ATOMIC Circular Saw is currently priced at $159.00, making it about 11% cheaper than the SKILSAW SPT77WML-01, which costs $179.00. This price difference may be a significant factor for budget-conscious users. While both saws offer exceptional performance, the DEWALT's lower price point could attract those who are looking for high-quality tools without overspending. However, the SKILSAW justifies its higher cost with its powerful motor and enhanced cutting capabilities.

Which should you buy?

When deciding between the DEWALT ATOMIC 20V MAX* Circular Saw and the SKILSAW SPT77WML-01, consider your specific needs and budget. If you prioritize portability, efficiency, and a lower price point, the DEWALT is an excellent choice, particularly for lighter tasks and DIY projects. However, if your work involves frequent cutting of heavier materials and requires a broader bevel capacity, the SKILSAW may be worth the additional investment. Ultimately, both saws are reliable, but your choice should align with your cutting requirements and project demands.