Our choice
Compare DCD791D2
Our choice
Compare BDCDMT120

General

Model

DCD791D2
BDCDMT120
DDB181-02

Manufacturer

DEWALT
Black & Decker
Bosch

Amazon rating

4.8
4.5
4.4

Customer reviews on Amazon

204
687
370

Product Features

Chuck Size

1/2 inches
3/8 inches
1/2 inches

Chuck Type

Brushless
Keyless
Keyless

System

20V Max
20V Max
18V Max

Style

Drill/driver
Drill/driver
Drill/driver

Cutting

Minimum Cut

1 inches

Maximum Cut

1 inches
3/4 inches
3 inches

Max Capacity in Metal

13 inches
1/2 inches
3/8 inches

Max Capacity in Wood

40 inches
1 inches
1/2 inches

Max Capacity in Masonry

13 inches
1/2 inches

Power

Power Source

Battery-Powered
Battery-Powered
Battery

Batteries Included

Batteries Required

Battery Cell Type

Lithium Ion
Lithium Ion
Lithium Ion

Voltage

20V
20V
18V

Wattage

460W
300W
36W

Average Battery Life

1.5 hours
1 hours
4 hours

Spesifications

No Load Speed

2000 RPM
1500 RPM
1300 RPM

Max Torque

240 inches
412 inches
350 inches

Torque Settings

15
21

Number of Handles

1
1
1

BPM

250
3500
28500

Noise Sound

Noise Sound pressure

90 dB
91 dB

Noise Sound power

101 dB
92 dB

Vibration

Drilling

2.5 m/s?
2.5 m/sec? 
2.5 m/s?

K factor

1.5 m/sec?
1.5 m/sec?

Hammer Drilling

11.5 m/s?

Special Features

Lightweight

LED Worklight

Always Ready

Dimensions

Size

16.2 x 4.5 x 10.1 inches
12.5 x 3.6 x 9.5 inches
14 x 3.5 x 11 inches

Weight

3.5 pounds
4.3 pounds
6.6 pounds