DeWalt DCS391B
Score: 72/100
DeWalt DCS571B
Score: 78/100Rankings
The DEWALT ATOMIC DCS571B is a compact, lightweight 4.5-inch cordless circular saw designed for precision work and confined spaces. It features a brushless motor and electronic brake, offering excellent portability and battery efficiency. It is best suited for finish carpenters, DIYers, and installers working in tight areas where full-size saws do not fit.
The DeWalt DCS391B is a lightweight, cordless 6.5-inch circular saw designed for portability and maneuverability in tight spaces. It features a brushed motor with high RPM but lacks modern safety features like an electric brake. It is best suited for DIY homeowners and light trade professionals needing a portable tool for framing and trim work.
| Attribute | | |
|---|---|---|
6.5 inchesbest | 4.5 inches | |
2.125 inchesbest | 1.5 inches | |
5,150 RPMbest | — | |
50 degreesbest | 45 degrees | |
20 Vbest | 20 Vbest | |
| ↓ lower better | 6.97 lbs | 6.6 lbsbest |
3 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Motor(1) | ||
Motor Type | Brushed | Brushless |
Performance & Cutting(3) | ||
Blade Diameter (inches) | 6.5 inches | 4.5 inches |
Cutting Depth at 90 Degrees (inches) | 2.125 inches | 1.5 inches |
Bevel Capacity (degrees) | 50 degrees | 45 degrees |
General & Warranty(1) | ||
Warranty Length (years) | 3 years | null years |
Design & Ergonomics(1) | ||
Weight (lbs) | 6.97 lbs | 6.6 lbs |
Features & Accessories(2) | ||
Dust Collection | false | true |
Electric Brake | false | true |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the DeWalt DCS391B for its speed and portability, noting it is a top performer for maneuverability in light-to-medium tasks. However, experts consistently note that it is outpaced by brushless upgrades and recommend those models for professionals requiring sustained power and efficiency.
Everyday users appreciate the saw's lightweight nature and quick setup for DIY projects like decking and shelving, often praising its smooth performance on standard lumber. Common complaints focus on the lack of modern features like brakes or lights, shorter battery life, and occasional blade binding in dense wood.
Professional reviewers recognize the DEWALT ATOMIC DCS571B as a specialized niche tool that excels in precision work and confined spaces rather than serving as a primary saw for raw cutting power. It is acknowledged as best-in-class for the compact category, offering professional-grade components like a brushless motor and electronic brake.
Everyday users praise the tool for its lightweight design, ease of handling, and ability to cut plywood cleanly in tight spaces. Common themes include appreciation for the solid battery life and effective dust collection. Recurring complaints focus on the inability to cut through 2x4 lumber in one pass and the feeling that it is underpowered for heavy construction.
“Perfect for detail work and tight spaces”
“Cuts plywood like a dream”
“Can't cut through a 2X4 in one pass”
