
DEWALT DCF809B
Score: 78/100
Ryobi ONE+ Impact Driver
Score: 68/100Rankings

The DeWalt DCF809B is a compact brushless cordless impact driver designed for professional-grade performance in tight spaces. It delivers high torque in a small form factor, though the tool-only configuration requires additional investment in batteries. It is best suited for professionals working in confined areas where standard drivers cannot fit.

The Ryobi ONE+ 18V Cordless Impact Driver is a compact, brushed-motor tool designed for DIY homeowners, delivering 1,800 in-lbs of torque and 3,400 IPM. Its primary limitation is the brushed motor, which offers less efficiency and durability than brushless competitors. It is best suited for budget-conscious users needing a reliable entry-level tool within the Ryobi ecosystem.
| Attribute | ![]() | ![]() |
|---|---|---|
1,700 in-lb | 1,800 in-lbbest | |
20 Vbest | 18 V | |
— | 2,800 RPMbest | |
— | 3,400 IPMbest | |
| ↓ lower better | 2 lbsbest | 2.6 lbs |
| ↓ lower better | 9 in | 7.4 inbest |
3 countbest | 1 count | |
0 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1700 in-lb | 1800 in-lb |
Maximum Speed (RPM) (RPM) | Variable RPM | 2800 RPM |
Impacts Per Minute (IPM) (IPM) | Variable IPM | 3400 IPM |
Support(1) | ||
Warranty Duration (years) | 0 years | 3 years |
Build & Design(2) | ||
Tool Weight (lbs) | 2.0 lbs | 2.6 lbs |
Tool Length (in) | 9.0 in | 7.4 in |
Power & Battery(2) | ||
Battery Voltage (V) | 20 V | 18 V |
Battery Chemistry | Lithium-ion | Li-ion |
Features(3) | ||
LED Light Count (count) | 3 count | 1 count |
Chuck Type | 1/4-Inch Hex | 1/4 inch Hex |
Belt Clip | true | false |
Controls(2) | ||
Speed Settings | 3-speed | Variable |
Trigger Type | Variable Speed | Variable |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight that the DCF850 delivers specifications matching larger DeWalt models in a significantly more compact form factor. The brushless motor is tuned to provide the same torque and RPM performance as full-size competitors while maintaining the compact ATOMIC design philosophy.
Consumer reviews reflect strong user satisfaction with praise focused on accessibility in confined spaces, power-to-size ratio, precision and control, and build quality.

Professional reviewers highlight the tool's solid performance for its price point, emphasizing its suitability for DIY jobs due to its torque and speed. However, they note that it lacks the power and efficiency of Ryobi's HP brushless lineup, positioning it as an entry-level option rather than a professional-grade tool.
There are no direct consumer reviews, ratings, or testimonials available for this specific model in the provided data. Consequently, no recurring themes of praise or complaints from everyday users can be identified.

