
DeWalt DCS391B
Score: 72/100
DeWalt DWE575SB
Score: 85/100Rankings

The DEWALT DWE575 is a lightweight, corded 7-1/4-inch circular saw featuring a powerful 15 A motor and a 57-degree bevel capacity. While it offers robust power and durability for framing, the 9-foot cord limits its mobility on jobsites without available outlets. It is best suited for users who prioritize sustained power and low weight over cordless convenience.

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 inches | 7.25 inchesbest | |
2.125 inches | 2.563 inchesbest | |
5,150 RPM | 5,200 RPMbest | |
50 degrees | 57 degreesbest | |
20 Vbest | — | |
| ↓ lower better | 6.97 lbsbest | 8.8 lbs |
— | 15 Abest | |
— | 9 ftbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Motor(2) | ||
Power Source | Cordless | Corded |
Voltage (V) | 20 V | V |
Performance & Cutting(4) | ||
Blade Diameter (inches) | 6.5 inches | 7.25 inches |
Cutting Depth at 90 Degrees (inches) | 2.125 inches | 2.5625 inches |
No-Load Speed (RPM) | 5150 RPM | 5200 RPM |
Bevel Capacity (degrees) | 50 degrees | 57 degrees |
General & Warranty(1) | ||
Warranty Length (years) | 3 years | years |
Design & Ergonomics(2) | ||
Weight (lbs) | 6.97 lbs | 8.8 lbs |
Handle Type | Side Handle | |
Features & Accessories(4) | ||
Dust Collection | false | true |
Electric Brake | false | true |
Spindle Lock | null | |
Included Blade | 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 praise the DEWALT DWE575 for its class-leading lightness and robust power, noting that the 57-degree bevel and 2-9/16-inch depth make it highly versatile for framing and decking.
Everyday users commonly praise the saw for its easy handling due to the low 8.8 lb weight and its strong performance on 2x lumber. Recurring complaints focus on the limitations of the 9-foot cord for remote work.

