DEWALT 20V MAX Cordless Brushless vs DEWALT 4-1/2-Inch Atomic Circular Saw: Spec Comparison
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The dewalt 20v max cordless brushless vs 4 1 2 inch atomic circular saw comparison highlights two distinct tools. Both are 20V MAX brushless models. They share the same battery platform. The main difference is their function. One is a jig saw for curved cuts. The other is a circular saw for straight cuts. You need to choose based on your cutting needs. This guide compares their specs to help you decide.
Key differences
| Aspect | DEWALT 20V MAX Cordless Brushless Jig Saw | DEWALT 4-1/2-Inch Atomic Circular Saw |
|---|---|---|
| Tool Type | Jig Saw | Circular Saw |
| Blade Diameter | Not listed | 4-1/2 inches |
| Weight | 4.2 pounds | 6.53 pounds |
| Length | 8.25 inches | 17.9 inches |
| Bevel Capacity | 45 degrees | 45 degrees |
Which one should you choose?
Choose DEWALT 20V MAX Cordless Brushless Jig Saw if
- You need to make curved or intricate cuts.
- You prefer a lighter tool for overhead work.
- You require variable speed control for detailed work.
Choose DEWALT 4-1/2-Inch Atomic Circular Saw if
- You need to make straight rip or cross cuts.
- You want to cut 2x material at 90 degrees.
- You value an electronic blade brake for safety.
Verdict: Choose the jig saw if your work involves curves or detailed shaping. Pick the circular saw if you primarily need to make straight cuts in lumber. Both tools offer brushless efficiency on the same 20V MAX platform.
Jig Saw vs Atomic Circular Saw
Tool Function
Product A is a jig saw designed for intricate, curved, and non-linear cuts. It features variable speed control and orbital action to manage cut quality and speed on various materials. Product B is a circular saw built for straight, rip, and cross cuts in lumber and sheet goods. It uses a 4-1/2-inch blade to slice through 2x material at 90 degrees and 1x dimensional lumber at 45 degrees. You choose based on whether you need precision curves or straight structural cuts.
Blade Diameter
Product B specifies a 4-1/2-inch blade diameter, which determines its cutting depth and capacity for standard dimensional lumber. Product A uses T-shank jig saw blades, but the specific diameter is not listed in the provided data. Jig saw blades are typically smaller and thinner than circular saw blades, allowing for tighter curves. The circular saw blade size directly impacts its ability to cut through thicker stock in a single pass compared to the reciprocating motion of the jig saw.
Weight
Product A weighs 4.2 pounds, making it lighter and easier to maneuver for overhead or detailed work. Product B weighs 6.53 pounds, reflecting the additional mass needed for stability during straight, high-torque cuts. The lighter jig saw reduces fatigue during prolonged use on complex shapes. The heavier circular saw provides more momentum for cleaner cuts through dense materials. You will feel the difference in hand fatigue when switching between these two tools.
Dimensions
Product A measures 8.25 inches in length, 6.38 inches in height, and 1.75 inches in width, offering a compact profile for tight spaces. Product B is significantly longer at 17.9 inches, with a width of 5.13 inches and height of 6.69 inches. The circular saw’s length accommodates the larger blade and motor housing required for straight cuts. The jig saw’s compact form factor allows for better control when navigating curves and detailed patterns in smaller workpieces.
Motor Type
Both tools feature brushless motors, which provide efficient performance and longer runtime compared to brushed motors. Product A’s brushless motor delivers efficient performance for longer runtime. Product B’s brushless motor allows for up to 369 linear feet of 3/4-inch OSB cuts with a compatible battery. This shared technology ensures both tools offer durability and consistent power output without the maintenance requirements of carbon brushes.
Choose the right saw for you
Detail woodworkers needing curved cuts
You need the jig saw for intricate work. Its 3,200 blade speed and variable trigger offer precise control. The 4-position orbital action lets you adjust cut quality versus speed. The compact design and all-metal shoe provide stability for detailed projects where a circular saw cannot reach.
Framers cutting straight lumber lines
You require straight cuts in dimensional lumber. The 4-1/2-inch blade and bevel gear allow you to cut 2x material at 90 degrees. The electronic blade brake stops the blade quickly for safety. Its brushless motor delivers long runtime, letting you cut up to 369 linear feet of OSB on one charge.
Users prioritizing portability and weight
You want the lighter tool for overhead or tight spaces. This jig saw weighs 4.2 pounds and measures 8.25 inches long. The circular saw weighs 6.53 pounds and is 17.9 inches long. The smaller footprint of the jig saw makes it easier to maneuver in confined areas without fatigue.
The products compared
DEWALT 20V MAX Cordless Brushless Jig Saw
Best for: precise cordless cutting tasks
- Voltage
- 20V MAX
- Power Source
- Cordless
- Dimensions
- 8.25 × 1.75 × 6.38 inches
- Weight
- 4.2 pounds
View on Amazon: DEWALT 20V MAX Cordless Brushless Jig Saw Affiliate link
This is the DEWALT 20V MAX XR Jig Saw, model DCS334B. It features a brushless motor for efficient performance and longer runtime. The tool weighs 4.2 pounds and measures 8.25 inches in length. It includes a variable speed trigger, an LED light, and a dust blower. You get four-position orbital action and a keyless blade change system. This cordless saw suits users needing precise control in tight spaces.
Pros
- Brushless motor delivers efficient performance
- Variable speed trigger and dial
- 4-position orbital action control
- Integrated LED light illuminates work
- All-metal lever-action blade change
Cons
- Tool only; battery not included
- No battery charger included
- Limited to 20V MAX power
Good fit if
- You need cordless flexibility
- You want precise speed control
- You work in dim lighting
Skip if
- You already have a corded saw
- You need high-amperage power
- You prefer heavy-duty tools
Verdict: DEWALT 20V MAX XR Brushless Jig Saw offers efficient brushless performance and precise control. It fits users who prioritize cordless mobility and detailed cut quality.
DEWALT 4-1/2-Inch Atomic Circular Saw
Best for: Lightweight framing and trim work
- Voltage
- 20V MAX
- Dimensions
- 17.9 × 5.13 × 6.69 inches
- Weight
- 6.53 pounds
View on Amazon: DEWALT 4-1/2-Inch Atomic Circular Saw Affiliate link
The DEWALT ATOMIC 20V MAX Circular Saw (DCS571B) features a brushless motor and a compact 4-1/2-inch blade. It measures 17.9 inches long and weighs 6.53 pounds. The tool includes an electronic blade brake and a removable auxiliary handle. You get a finger trigger for choke-up control. This saw suits users needing a lightweight, cordless option for dimensional lumber and small OSB cuts.
Pros
- Brushless motor for efficient cutting
- Compact 4-1/2-inch blade size
- Lightweight 6.53-pound build
- Electronic blade brake for safety
- Removable auxiliary handle for control
Cons
- Smaller 4-1/2-inch blade limits cut depth
- Battery sold separately
- Tool-only configuration
Good fit if
- You need a lightweight saw for overhead work
- You primarily cut 1x dimensional lumber
- You prefer a compact tool for tight spaces
Skip if
- You require deep cuts through thick material
- You want a complete kit with battery
- You need a full-size 7-1/4-inch blade
Verdict: DEWALT 20V MAX Atomic 4-1/2-Inch Circular Saw fits carpenters who prioritize portability and control over maximum cutting capacity. It is ideal for framing and trim work where a smaller blade offers better maneuverability.
Specifications side by side
| Spec | DEWALT 20V MAX Cordless Brushless Jig Saw | DEWALT 4-1/2-Inch Atomic Circular Saw |
|---|---|---|
| Voltage | 20V MAX | not stated |
| Power Source | Cordless | not stated |
| Dimensions | 8.25 × 1.75 × 6.38 inches | 17.9 × 5.13 × 6.69 inches |
| Weight | 4.2 pounds | 6.53 pounds |
| Size | One Size | One Size |
| Color | Yellow | Black |
| Model | DCS334B | DCS571B |
Frequently asked questions
Can I use the same batteries for both saws?
Yes. Both tools operate on the 20V MAX battery platform. You can swap batteries between the jig saw and the circular saw. This shared system lets you use one set of power sources for both cutting tasks. It simplifies your workflow by reducing the number of battery packs you need to carry.
Which tool is lighter to carry around the job site?
The jig saw is lighter. It weighs 4.2 pounds. The circular saw weighs 6.53 pounds. The difference is 2.33 pounds. You will feel less fatigue when holding the jig saw for extended periods. This makes the lighter tool better for overhead work or long days.
How do the physical sizes compare for storage?
The circular saw is longer but narrower. It measures 17.9 inches in length and 5.13 inches in width. The jig saw is shorter at 8.25 inches long and 1.75 inches wide. Both are one size. The jig saw takes up less linear space in a toolbox.
Is the brushless motor feature available on both models?
The title indicates both are brushless. The jig saw is explicitly labeled as a brushless model. The circular saw is part of the same 20V MAX brushless lineup. Brushless motors generally offer longer life and better efficiency. You get this benefit from both tools without the maintenance of brushed motors.
What color are these DEWALT tools?
The jig saw is yellow. The circular saw is black. This color difference helps you identify the tool quickly in your kit. The yellow jig saw matches standard DEWALT branding. The black circular saw has a distinct atomic look. Both colors are durable and easy to spot on a workbench.
Can I cut curves with the circular saw?
No. The circular saw is designed for straight cuts. It uses a 4-1/2-inch blade for linear ripping and crosscutting. You need the jig saw for curves. The jig saw allows you to cut intricate shapes and non-linear lines. Do not attempt curved cuts with the circular saw.