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DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only vs Milwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/

Updated July 2026 — DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only wins on battery, Milwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/ wins on price and cuts per charge.

The DEWALT ATOMIC Circular Saw is a budget-friendly option ideal for general use, while the Milwaukee M18 Fuel offers superior power for demanding tasks.

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

Price

DEWALT is $159.00, cheaper than Milwaukee's $256.99.

Weight

DEWALT is lighter and more portable.

User Control

DEWALT has a removable auxiliary handle for better control.

Why Milwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/ is better

Power

Milwaukee replicates the power of a 15 Amp corded saw.

Blade Size

Milwaukee has a larger 7-1/4 inch blade for greater cutting capacity.

Durability

Milwaukee features a magnesium shoe for maximum durability.

Overall score

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only
75
Milwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/
85

Specifications

SpecDEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlyMilwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/
PowerModerateHigh
DurabilityGoodExcellent
ControlHighMedium
VisibilityStandardEnhanced
Brake TypeElectronicElectric

Dimension comparison

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool OnlyMilwaukee 2732-20 M18 Fuel 18 Volt Lithium-Ion 15 Amp 7-1/

Overview of the DEWALT ATOMIC 20V MAX* Circular Saw

The DEWALT ATOMIC 20V MAX* Circular Saw is priced at $159.00, making it a more budget-friendly option compared to the Milwaukee model. This compact saw is designed for versatility and ease of use, allowing users to tackle various applications with its brushless motor. The saw can cut up to 369 linear feet of 3/4 in. OSB using a DCB205 battery, which is sold separately. Its lightweight design and removable auxiliary handle enhance user control, making it a great tool for both professional contractors and DIY enthusiasts.

Overview of the Milwaukee M18 Fuel Circular Saw

The Milwaukee M18 Fuel Circular Saw comes with a higher price tag of $256.99, which is about 62% more expensive than the DEWALT model. This saw is designed for heavy-duty use, offering the power of a traditional 15 Amp corded saw in a cordless package. It features a durable magnesium shoe and guards, making it suitable for demanding job sites. The saw can deliver up to 750 cuts per charge, which showcases its efficiency and is a significant advantage for users who need a reliable tool for extensive cutting tasks.

Power and Performance Comparison

In terms of power and performance, the Milwaukee M18 Fuel outshines the DEWALT ATOMIC Circular Saw. The Milwaukee model's POWERSTATE Brushless Motor is specifically engineered to replicate the cutting power of a 15 Amp corded saw, making it ideal for professional applications. Meanwhile, the DEWALT model, while effective for general tasks, does not provide the same level of power, given its 4-1/2-inch blade size, compared to the Milwaukee's larger 7-1/4-inch blade. This difference in blade size results in a more significant cutting capacity for the Milwaukee saw, making it a strong contender for those who regularly work with thicker materials.

User-Friendly Features

The DEWALT ATOMIC Circular Saw includes several user-friendly features such as an electronic blade brake for quick stops, a bevel gear for angled cuts, and an on-board dust port for improved visibility. These features enhance safety and efficiency, especially for users who need precision in their cuts. Conversely, the Milwaukee saw offers integrated features like an LED light for enhanced visibility and an electric brake that stops the blade immediately after the trigger is released. Both tools prioritize user safety and ease of use, but the Milwaukee's additional lighting feature can be particularly beneficial in dimly lit work environments.

Portability and Design

When it comes to portability, the DEWALT ATOMIC Circular Saw has the upper hand due to its compact design, which makes it lighter and easier to maneuver. The removable auxiliary handle further aids in control, allowing for a more comfortable grip during extended use. On the other hand, the Milwaukee M18 Fuel, while slightly heavier, is built with durable materials that enhance its longevity on job sites. This saw’s integrated rafter hook also provides convenient storage between cuts, which can be a valuable feature for contractors who frequently move from one location to another.

Battery Compatibility

Battery compatibility is an essential consideration for users looking to maximize their tool investments. The DEWALT ATOMIC Circular Saw is compatible with 20V MAX* batteries, allowing users to interchange batteries among other DEWALT tools. This flexibility is a significant advantage for those already invested in the DEWALT ecosystem. Meanwhile, the Milwaukee M18 Fuel Circular Saw works within the M18 system, which provides compatibility across a wide range of Milwaukee tools. Users should consider their existing battery systems when choosing between these two saws, as this can impact overall tool efficiency and cost-effectiveness.

Price Considerations

Price is a crucial factor in the purchasing decision between these two circular saws. The DEWALT ATOMIC Circular Saw is priced at $159.00, making it a more economical choice for casual users or those on a budget. In contrast, the Milwaukee M18 Fuel Circular Saw, at $256.99, represents a significant investment, approximately 62% higher than the DEWALT model. However, this price difference may be justified for professionals who require the additional power and features that the Milwaukee saw provides. Ultimately, the choice may come down to the user’s specific needs and budget constraints.

Which should you buy?

Deciding between the DEWALT ATOMIC 20V MAX* Circular Saw and the Milwaukee M18 Fuel Circular Saw largely depends on your individual needs and budget. If you're looking for a lightweight, budget-friendly option for general use, the DEWALT model is an excellent choice at $159.00. On the other hand, if you require a powerful saw that can handle demanding tasks and you’re willing to invest about $256.99, the Milwaukee model offers superior performance with its 7-1/4-inch blade and robust features. Ultimately, both tools have their merits; the right choice will depend on whether you prioritize cost or cutting power.