
Milwaukee M12 3453-20
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 Milwaukee M12 FUEL 3453-20 is a subcompact cordless impact driver designed for fastening applications in tight spaces, featuring a brushless motor and advanced battery management technology. It offers high torque and speed in a lightweight, portable package, making it highly suitable for confined spaces. It is best suited for compact workspace professionals needing access under cabinets or in confined areas, such as electricians and plumbers.
| Attribute | ![]() | ![]() |
|---|---|---|
1,500 in-lb | 1,825 in-lbbest | |
12 V | 20 Vbest | |
3,600 RPMbest | 3,400 RPM | |
4,000 IPMbest | — | |
| ↓ lower better | 1.6 lbsbest | 2.2 lbs |
| ↓ lower better | 5 inbest | 5.1 in |
3 countbest | 3 countbest | |
— | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Maximum Torque (in-lb) | 1500 in-lb | 1825 in-lb |
Maximum Speed (RPM) (RPM) | 3600 RPM | 3400 RPM |
Build & Design(2) | ||
Tool Weight (lbs) | 1.6 lbs | 2.2 lbs |
Tool Length (in) | 5.0 in | 5.1 in |
Power & Battery(1) | ||
Battery Voltage (V) | 12 V | 20 V |
Features(1) | ||
Chuck Type | 1/4-inch hex | 1/4-Inch Hex |
Controls(2) | ||
Speed Settings | 4-mode | 3-speed |
Trigger Type | Variable speed | Variable Speed |


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

Professional reviewers and editors highlight the Milwaukee M12 FUEL 3453-20 as the fastest and most compact impact driver in its subcompact class. One reviewer noted a preference for the M12 over the larger M18 model due to its practicality and ease of carrying throughout the workday. The tool is praised for its brushless motor performance and compact design, making it highly suitable for confined spaces.
The search results indicate substantial user engagement with 56 customer questions and answers on Home Depot's product page. However, there are no detailed user reviews or specific customer feedback excerpts provided in the data to determine common praise or recurring complaints.
