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DEWALT DCD777 vs DEWALT DCD771 vs BLACK​+​DECKER BDCDD120: Specs Comparison

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Drill Driver

DEWALT DCD777

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Drill Driver

DEWALT DCD771

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Drill Driver

BLACK​+​DECKER BDCDD120

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Tool Only:

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Specifications

Body

Dimensions

Length

7.42 in

8.27 in

6.81 in

Width

2.2 in

2.19 in

2.01 in

Height

7.81 in

7.54 in

7.13 in

Weight

Without battery

2.53 lb

2.75 lb

1.66 lb

With battery

3.31 lb

3.53 lb

2.49 lb

Handle

Rubberized

Rubberized

Rubberized

Gear housing

Plastic

Plastic

Plastic

Belt clip positioning

Bottom left, Bottom right

Bottom left, Bottom right

None

Bit holder positioning

None

None

Bottom

Aux-arm compatibility

No

No

No

Power

Corded/ Cordless

Cordless

Cordless

Cordless

Power source

Battery

Battery

Battery

Motor type

Brushless

Brushed

Brushed

Voltage

18 V​​

18 V

18 V

Battery capacity

1.5 Ah​​

1.5 Ah

2 Ah

Battery type

Li-Ion cylindrical cells​​

Li-Ion cylindrical cells

Li-Ion cylindrical cells

Chuck

Size

1/2 in

1/2 in

3/8 in

Type

Keyless

Keyless

Keyless

Outer material

Plastic

Plastic

Plastic

Runout

28 thou

12 thou

51 thou

Clutch

Type

Mechanical

Mechanical

Mechanical

Settings

16

16

11

Functionality

Reverse function

Yes

Yes

Yes

Variable speed trigger

Yes

Yes

Yes

Speed Control

Mechanical

Mechanical

None

Speed modes

2

2

1

Hammer function

No

No

No

Smart stop technology

No

No

No

Performance

Speed (no load)

1

476 RPM

428 RPM

696 RPM

2

1739 RPM

1580 RPM

Torque

1

31 in-lbs

29 in-lbs

13 in-lbs

2

12 in-lbs

11 in-lbs

Lighting

Type

LED

LED

LED

Arrangement

Above the trigger

Above the trigger

Above the battery

Activation

Auto

Auto

Auto

Mobility

Fixed

Fixed

Fixed

Body
Power
Chuck
Clutch
Functionality
Performance
Lighting