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DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver vs DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

The DEWALT DCF787B is the better choice for most shoppers: it costs $70.52 at Walmart as of November 3, 2026, and is a compact, lightweight driver with a brushless motor. The DeWalt 20V MAX XR kit includes two batteries and a charger but costs significantly more and is heavier. Choose the DCF787B for value and portability; choose the XR kit if you need longer runtime and are willing to pay extra.

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DEWALT
DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver

DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver

4.6· 54 ratings

Choose the DCF787B if you want a lightweight, affordable impact driver for home and light professional use.

Pros
  • Lightweight at 2.1 lbs for easy handling
  • Brushless motor for longer runtime
  • LED light with 20-second delay
  • Low price of $70.52 at Walmart
Cons
  • Only one speed setting
  • Lower maximum torque (1500 in-lbs)
  • Includes only one 1.5 Ah battery
DeWalt
DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

What separates them

DEWALT DCF787B 20V 1/4 in Cordless Hex Impact DriverDeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit
Price$70.52 at Walmart as of November 3, 2026Not provided
Maximum torque1500 in-lbs205 Nm (≈1815 in-lbs)
Speed settings1 speed (variable)3 speeds
Impacts per minute32004200
Batteries included1 (1.5 Ah)2 (6.0 Ah and 4.0 Ah)
Tool weight2.1 lbs7.35 lbs (kit weight)
LED lightYes, with 20-second delayNot specified

Price history

$199.00$69.29
Oct 30Nov 2
  • DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver: lowest $69.29 on Oct 30 at Walmart; $69.29 on Nov 2.
  • DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit: lowest $199.00 on Oct 30 at Home Depot.

Prices at every store

DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver

  • WalmartCheck price at Walmart
  • AmazonCheck price at Amazon
  • eBayCheck price at eBay
Prices and history →

DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

  • Home DepotCheck price at Home Depot
Prices and history →

Specs compared

SpecDEWALT DCF787B 20V 1/4 in Cordless Hex Impact DriverDeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit
Battery Voltage20 V20V
Power SourceElectric - CordlessCordless
Battery TypeLithium-ionLithium-Ion, Li-ion
Chuck / Drive Size1/4 inch chuck / drive1/4"
Tool TypeImpact DriverImpact Driver
Power Voltage20 V Max20V
Torque Range1500 in-lbs (Maximum Torque)27/170/205 Nm (Max.)
Impacts Per Minute32004200 BPM
Speed Range2800 RPM (No Load)0-1000 / 2800 / 3250 RPM (No Load Speed)
Driving Power

What reviewers say

DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver

Rated 4.6 out of 5 from 54 ratings. Owners tend to praise the power-to-size ratio and the light, while gripes center on it being a bare tool and on the single speed setting.

Pros
  • Strong torque for its compact size
  • Light enough for overhead and one-handed work
  • LED delay is useful in cabinets and crawl spaces
  • Brushless motor holds up to daily use
Cons
  • Battery and charger sold separately
  • No speed selector for delicate fastening
  • Plastic housing and no metal gearcase

DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

Reviewers praise the impact driver's power and battery life, often noting it drives long screws without strain. Some mention the weight and lack of a belt hook as drawbacks.

Pros

Questions and answers

Which is better for home use?
The DCF787B is better for home use due to its lighter weight and lower price. It handles most DIY tasks well.
Which has more torque?
The DeWalt 20V MAX XR kit has more torque at 205 Nm (about 1815 in-lbs) compared to 1500 in-lbs for the DCF787B.
Does the DCF787B come with a battery?
Yes, it includes one 1.5 Ah battery and a charger.
Is the XR kit worth the extra cost?
If you need two batteries, a charger, and more power, the XR kit may be worth it. For occasional use, the DCF787B is more cost-effective.
Which is more durable?
Both have brushless motors, but the XR kit is heavier and may be more robust for heavy-duty use. The DCF787B is well-rated for reliability.

More comparisons

  • DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver vs DeWalt ATOMIC 20V MAX Brushless Compact Cordless Impact Driver Kit dcf809d1
  • DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver vs DeWalt 20V Max High-Torque DCF860
  • DEWALT DCF787B 20V 1/4 in Cordless Hex Impact Driver vs DeWalt 20V MAX XR Brushless 1/4 in. Impact Driver Kit (DCF845P1)
  • DeWalt 20V MAX XR Brushless 1/4 in. Impact Driver Kit (DCF845P1) vs DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

DeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit

4.4· 8 ratings

Choose the DeWalt 20V MAX XR kit if you need two batteries, a charger, and more power for heavy-duty driving.

Pros
  • Higher maximum torque (205 Nm)
  • Three speed settings for versatility
  • Includes two batteries (6.0 Ah and 4.0 Ah) and a charger
  • Faster impact rate (4200 IPM)
Cons
  • Heavier at 7.35 lbs (kit weight)
  • Higher cost (price not provided)
  • Lower rating (4.4 from 8 ratings)
Rating
4.6 out of 5 from 54 ratings
4.4 out of 5 from 8 ratings
1500 in-lbs
400 W
Speed ControlYes (variable speed)Variable speeds
Number Of Speed Settings13
Show all 39 specsShow fewer specs
SpecDEWALT DCF787B 20V 1/4 in Cordless Hex Impact DriverDeWalt 20V MAX XR Lithium-Ion Cordless Impact Driver with 6.0 Ah and 4.0 Ah Starter Kit
Motor Torque1717 in-lbs27/170/205 Nm (Max.)
Motor TypeBrushlessBrushless
Motor Speed Settings13
Battery Capacity1.5 Ah2.0Ah
Number Of Batteries Included12
Chuck / Drive TypeHex shankHex shank
Chuck / Drive SubtypeOne-handed loadingHex chuck
Weight4.5 lbs (Package Weight)7.35 lbs
colorYellow—
size5.91\"L x 3.43\"W x 8.5\"H—
Drive Size1/4 in Hex—
Impact Rate3200 rpm—
Maximum Torque1500 in-lbs—
Tool Weight2.1 lbs—
Variable SpeedYes—
Housing MaterialPlastic—
Batteries Required1—
Power TypeCordless—
Voltage20 volts—
Battery Charge Time30 minutes—
Battery Run TimeUp to 57% more run time over brushed motors—
Battery System Compatibility20V MAX—
Compatible BatteriesWide Range of 20V MAX Batteries—
Wattage—400 W (Power Output)
Height—25.6 mm
Length—40.8 mm
Width—4.72 in
  • Powerful enough for lag bolts and deck screws
  • Long runtime from the 6.0 Ah battery
  • Smooth variable-speed trigger
  • Cons
    • Heavier than some competitors
    • No onboard bit storage