
Milwaukee M18 2656-20
Score: 82/100
DEWALT DCF809B
Score: 78/100Rankings

The Milwaukee 2656-20 is an 18V cordless hex impact driver featuring a brushless motor and REDLINK Intelligence for optimized performance. It delivers 1,500 in-lbs of torque with a maximum speed of 2,750 RPM, designed for fastening applications in tight spaces. It is best suited for professional contractors and tradespeople requiring a compact, powerful fastening tool for light to medium-duty tasks.

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 | ![]() | ![]() |
|---|---|---|
1,500 in-lb | 1,700 in-lbbest | |
18 V | 20 Vbest | |
2,750 RPMbest | — | |
3,450 IPMbest | — | |
| ↓ lower better | 2.8 lbs | 2 lbsbest |
| ↓ lower better | 5.69 inbest | 9 in |
1 count | 3 countbest | |
5 yearsbest | 0 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1500 in-lb | 1700 in-lb |
Maximum Speed (RPM) (RPM) | 2750 RPM | Variable RPM |
Impacts Per Minute (IPM) (IPM) | 3450 IPM | Variable IPM |
Support(1) | ||
Warranty Duration (years) | 5 years | 0 years |
Build & Design(2) | ||
Tool Weight (lbs) | 2.8 lbs | 2.0 lbs |
Tool Length (in) | 5.69 in | 9.0 in |
Power & Battery(2) | ||
Battery Voltage (V) | 18 V | 20 V |
Battery Chemistry | Lithium-Ion | Lithium-ion |
Features(2) | ||
LED Light Count (count) | 1 count | 3 count |
Chuck Type | 1/4 inch hex quick-connect | 1/4-Inch Hex |
Controls(1) | ||
Trigger Type | Variable speed | Variable Speed |


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

Professional reviewers and manufacturers highlight the Milwaukee 2656-20's brushless 4-pole frameless motor as a key advantage, noting it provides longer life and more power than brushed alternatives. The optimized impact mechanism is praised for delivering maximum power and application speed, enhancing job efficiency.
The provided search results do not contain specific user reviews, ratings, or detailed feedback from everyday consumers.

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.

