DEWALT DCF809B
Score: 78/100
DEWALT DCF845B
Score: 82/100Rankings
The DEWALT DCF845B is a brushless 20V MAX XR impact driver delivering 1,825 in-lbs of torque and 3,400 RPM with 3-speed settings. It offers a balance of power and compactness, though the tool-only configuration requires separate battery purchase. It is best suited for professional contractors needing versatile fastening capabilities.
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.
| Attribute | | |
|---|---|---|
1,700 in-lb | 1,825 in-lbbest | |
20 Vbest | 20 Vbest | |
— | 3,400 RPMbest | |
| ↓ lower better | 2 lbsbest | 2.2 lbs |
| ↓ lower better | 9 in | 5.1 inbest |
3 countbest | 3 countbest | |
0 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Maximum Torque (in-lb) | 1700 in-lb | 1825 in-lb |
Maximum Speed (RPM) (RPM) | Variable RPM | 3400 RPM |
Support(1) | ||
Warranty Duration (years) | 0 years | 3 years |
Build & Design(2) | ||
Tool Weight (lbs) | 2.0 lbs | 2.2 lbs |
Tool Length (in) | 9.0 in | 5.1 in |
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.
