
DEWALT DCF809B
Score: 78/100Milwaukee M12 Subcompact
Score: 88/100Rankings
The Milwaukee M12 Subcompact Brushless is an ultra-compact, lightweight cordless tool designed for fastening in tight spaces, delivering 1100 in-lbs of torque. It features a metal gearcase and REDLINK Intelligence for durability, though it lacks included batteries. It is best suited for professionals needing compact tools in tight spaces, such as service trades and HVAC workers.

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 | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
1,700 in-lbbest | 1,100 in-lb | |
20 Vbest | 12 V | |
— | 3,000 RPMbest | |
— | 4,100 IPMbest | |
| ↓ lower better | 2 lbs | 1.3 lbsbest |
| ↓ lower better | 9 in | 4.3 inbest |
3 countbest | 3 countbest | |
0 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1700 in-lb | 1100 in-lb |
Maximum Speed (RPM) (RPM) | Variable RPM | 3000 RPM |
Impacts Per Minute (IPM) (IPM) | Variable IPM | 4100 IPM |
Support(1) | ||
Warranty Duration (years) | 0 years | 5 years |
Build & Design(2) | ||
Tool Weight (lbs) | 2.0 lbs | 1.3 lbs |
Tool Length (in) | 9.0 in | 4.3 in |
Power & Battery(2) | ||
Battery Voltage (V) | 20 V | 12 V |
Battery Chemistry | Lithium-ion | Lithium-Ion |
Features(1) | ||
Chuck Type | 1/4-Inch Hex | 1/4-inch hex |
Controls(2) | ||
Speed Settings | 3-speed | 4 |
Trigger Type | Variable Speed | Variable speed |

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 and editors position the Milwaukee M12 Subcompact as the fastest and most compact impact driver in its class. They praise its brushless motor for productivity in tight spaces, highlighting the 1100 in-lbs torque, 4-mode control, and Tri-LED lights.
Search results lack direct user reviews or feedback, so no common praise or complaints from everyday consumers are detailed.
