DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only vs SKILSAW SPT70WM-01 15 Amp 10-1/4" Magnesium
Updated July 2026 — DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only wins on motor power, SKILSAW SPT70WM-01 15 Amp 10-1/4" Magnesium wins on length and bevel angle.
The DEWALT ATOMIC is ideal for portability and versatility, while the SKILSAW excels in power and heavy-duty performance.
Why DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only is better
Price
DEWALT is significantly cheaper at $159.00.
Portability
DEWALT is cordless, enhancing mobility.
User-Friendly
DEWALT features on-board blade storage for convenience.
Why SKILSAW SPT70WM-01 15 Amp 10-1/4" Magnesium is better
Power
SKILSAW has a 15 Amp motor for heavy-duty tasks.
Cutting Capacity
SKILSAW can cut 4x lumber in one pass.
Build Quality
SKILSAW's magnesium construction ensures durability.
Overall score
Specifications
| Spec | DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only | SKILSAW SPT70WM-01 15 Amp 10-1/4" Magnesium |
|---|---|---|
| Price | $159.00 | $284.80 |
| Sales Rank | 14687 | 44236 |
| Motor Type | Brushless | Dual-Field |
| Cutting Depth | 1-1/2 in. | 4 in. |
| Battery | 20V MAX | Corded |
Dimension comparison
Overview of the DEWALT ATOMIC 20V MAX* Circular Saw and SKILSAW SPT70WM-01
The DEWALT ATOMIC 20V MAX* Circular Saw is priced at $159.00, while the SKILSAW SPT70WM-01 is significantly higher at $284.80, making it about 79% more expensive. Each saw caters to different user needs, with the DEWALT designed for portability and convenience, and the SKILSAW built for heavy-duty applications.
The DEWALT model is a compact, cordless saw that excels in versatility, making it ideal for homeowners and tradespeople who need a lightweight tool for a variety of tasks. In contrast, the SKILSAW is a robust worm drive saw designed for professional contractors who require a powerful tool for cutting larger materials with precision.
Power and Performance
The SKILSAW SPT70WM-01 features a powerful 15 Amp Dual-Field motor that is specially designed for saws, delivering relentless power and durability. This motor ensures that the saw remains cooler during operation, enhancing its longevity and consistent performance.
On the other hand, the DEWALT ATOMIC utilizes a brushless motor that allows users to cut up to 369 linear feet of 3/4 inch OSB with a single battery charge. While the DEWALT offers impressive performance for its size, the SKILSAW’s motor is engineered for demanding tasks, making it more suitable for those who frequently cut through thicker materials.
Design and Build Quality
The DEWALT ATOMIC Circular Saw is compact and lightweight, making it easy to handle and maneuver, especially in tight spaces. Its removable auxiliary handle provides increased control, and a hang hook adds convenience for storage.
Conversely, the SKILSAW SPT70WM-01 is constructed from magnesium, ensuring legendary durability. This makes it a robust choice for heavy-duty applications. Its design focuses on minimizing snagging during cuts, which can enhance the overall user experience when dealing with larger pieces of lumber.
Cutting Capabilities
When it comes to cutting capabilities, the DEWALT ATOMIC can bevel at 45 degrees, allowing users to work with 1x dimensional lumber efficiently. Its bevel gear design enables 90-degree cuts on 2x material, making it versatile for various projects.
The SKILSAW SPT70WM-01 shines in this category, as it is specifically designed for cutting larger materials, like 4x lumber, in a single pass. Its 51-degree bevel capacity offers users the flexibility to perform a wider variety of cuts, catering to more advanced carpentry and construction tasks.
Portability and Convenience
The DEWALT ATOMIC Circular Saw is renowned for its portability, being a cordless tool that allows users to work without being tethered to a power source. This feature is especially beneficial for those working outdoors or in areas without easy access to electricity.
In contrast, the SKILSAW SPT70WM-01 is a corded saw, which may limit mobility on the job site. However, its powerful motor compensates for this by providing consistent performance without the need for battery changes, thus enhancing its utility for long-duration tasks.
User-Friendly Features
The DEWALT ATOMIC includes several user-friendly features such as on-board blade key storage for hassle-free blade changes and an electronic blade brake that stops the blade quickly for added safety. These features make it a great choice for both novice users and experienced craftsmen alike.
The SKILSAW SPT70WM-01 also incorporates user-friendly design elements, such as the anti-snag lower guard, which ensures smooth operation, particularly for small cut-off pieces. Although it lacks some of the convenience features of the DEWALT, its focus on power and efficiency makes it suitable for professional use.
Price Comparison
At $159.00, the DEWALT ATOMIC is about 17% cheaper than the SKILSAW SPT70WM-01, which is priced at $284.80. This significant price difference reflects the target markets of these tools. The DEWALT is aimed at casual users and DIY enthusiasts who require a reliable tool for everyday projects, while the SKILSAW is designed for professionals who need high-performance tools capable of tackling demanding jobs.
Which should you buy?
Ultimately, the choice between the DEWALT ATOMIC 20V MAX* Circular Saw and the SKILSAW SPT70WM-01 comes down to your specific needs. If you require a lightweight, portable, and versatile tool for general home projects, the DEWALT is an excellent option. However, if you are a professional contractor needing a powerful saw for heavy-duty cutting tasks, the SKILSAW is the better investment. Both tools have their strengths, and understanding your requirements will help you make the right choice.