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DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only vs Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -

Updated July 2026 — DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only wins on price, Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - wins on rpm.

The DEWALT ATOMIC Circular Saw excels in cutting capacity and safety features, while the Milwaukee offers solid performance at a lower price.

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

Cutting Capacity

Can cut up to 369 linear feet of 3/4 inch OSB

Safety Features

Includes electronic blade brake for quick stops

Brand Reputation

DEWALT is known for high-quality power tools

Why Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - is better

Price

Costs $94.00, significantly cheaper than DEWALT

RPM

Delivers 3,500 RPM for quick cuts

Weight

Lighter design for easier handling

Overall score

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only
85
Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -
75

Specifications

SpecDEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlyMilwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -
Motor TypeBrushlessLithium-Ion
Max Cut Depth1-1/2 in2-1/2 in
Bevel Capacity45 degrees45 degrees
Auxiliary HandleYesNo
Dust PortYesNo

Dimension comparison

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlyMilwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -

Overview of the DEWALT ATOMIC 20V MAX* Circular Saw

The DEWALT ATOMIC 20V MAX* Circular Saw is a compact and powerful tool designed for various cutting applications. Priced at $159.00, it offers a brushless motor that can cut up to 369 linear feet of 3/4 inch OSB when paired with a DCB205 battery. This capability makes it a strong contender for those who need efficiency and reliability in demanding projects. With a sales rank of 14,687, it has carved a niche among users looking for quality in the compact circular saw market.

Overview of the M18 Cordless Lithium-Ion 6-1/2" Circular Saw

The M18 Cordless Lithium-Ion 6-1/2" Circular Saw from Milwaukee is a robust tool priced at $94.00. It features a powerful motor that delivers 3,500 RPM, enabling quick cuts through tough materials. Its design includes magnesium guards for durability and an ergonomic grip for comfortable handling. With a sales rank of 17,973, this saw is appealing to DIY enthusiasts and professionals alike, particularly for its versatile applications in plumbing, electrical, and carpentry tasks.

Power and Performance

When it comes to power, the DEWALT ATOMIC Circular Saw, with its brushless motor, excels in providing efficient cuts across various materials. It can handle up to 369 linear feet of 3/4 inch OSB, making it suitable for extensive projects. In comparison, the Milwaukee M18 Circular Saw delivers a robust 3,500 RPM, allowing for quick cuts in tough materials like LVL headers. While the DEWALT focuses on linear cutting capability, the Milwaukee emphasizes its speed and efficiency in demanding applications. Users seeking high RPM and quick performance may lean towards the Milwaukee option.

Design and Durability

The DEWALT ATOMIC Circular Saw is designed with user convenience in mind. It features a removable auxiliary handle for increased control and a hang hook for easy storage. Additionally, the electronic blade brake enhances safety by stopping the blade quickly. In contrast, the Milwaukee Circular Saw boasts a magnesium upper and lower guard, providing superior durability and blade protection. Its ergonomic soft-grip handle ensures comfort during prolonged use. For those prioritizing durability and a comfortable grip, the Milwaukee may offer a slight edge.

Cutting Capacity and Versatility

The DEWALT saw has a bevel gear design that allows users to make 90-degree cuts on 2X material and 45-degree cuts on 1X material, offering versatility for various applications. The ability to perform these angled cuts is essential for carpentry tasks. The Milwaukee saw, on the other hand, is designed for diverse applications, including plumbing and electrical work, making it suitable for a range of professional needs. While the DEWALT excels in specific cuts, the Milwaukee’s broader applicability may appeal to users requiring a more versatile tool.

Price Comparison

At $159.00, the DEWALT ATOMIC Circular Saw is about 69% more expensive than the Milwaukee M18 Circular Saw, priced at $94.00. This significant price difference may influence purchasing decisions, especially for budget-conscious users. The Milwaukee saw offers a compelling value proposition with its lower price and solid performance, making it an appealing option for those who do not require the specific capabilities of the DEWALT model.

User Experience and Handling

The DEWALT ATOMIC Circular Saw features an easy-to-use finger trigger, allowing users to choke up on the tool for more precise control. This user-friendly design is further enhanced with on-board blade key storage, making blade changes hassle-free. Conversely, the Milwaukee saw's soft-grip handle ensures comfortable handling, even during extended use. Both saws prioritize user experience, but the DEWALT’s convenience features may be particularly beneficial for those who frequently change blades or require precise cuts.

Which should you buy?

Choosing between the DEWALT ATOMIC 20V MAX* Circular Saw and the M18 Cordless Lithium-Ion 6-1/2" Circular Saw ultimately depends on your specific needs and budget. If you require a saw that excels in cutting capacity and safety features, the DEWALT at $159.00 may be worth the investment. However, for those looking for a more budget-friendly option that still offers solid performance and versatility, the Milwaukee saw at $94.00 is an excellent choice. Consider what features are most important to you, and make a decision based on your project requirements and budget constraints.