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DeWalt DCD794D1 Atomic 20V Drill/Driver Kit vs DeWalt 20V Max DCD777C2 Drill/Driver

Both are compact 20V brushless DeWalt drill/drivers, and the DCD794 is the stronger tool. It is shorter front to back, lighter, and rated at 404 UWO against 340 UWO for the DCD777, so it drives larger bits and holes with less strain. The DCD777C2 counters with two batteries in the box and a longer track record of owner ratings. Buy the DCD794 for the better tool; buy the DCD777C2 if you want a spare battery from day one.

  • Choose the DCD794 if you want the most compact, most powerful drill of the two and one battery is enough for your work.
  • Choose the DCD777C2 if you want two batteries in the kit and a proven, widely owned drill for general household and job-site tasks.

Prices

  • DeWalt DCD794D1 Atomic 20V Drill/Driver Kit: $76.00 at Tool Pass Pro (last seen Nov 8)
  • DeWalt 20V Max DCD777C2 Drill/Driver: $71.49 at eBay (last seen Nov 8)
  • Difference: the DeWalt 20V Max DCD777C2 Drill/Driver is $4.51 cheaper than the DeWalt DCD794D1 Atomic 20V Drill/Driver Kit at the latest prices (Nov 8)
DeWalt
DeWalt DCD794D1 ATOMIC COMPACT SERIES 20V MAX Brushless Cordless 1/2 in. Drill/Driver Kit

DeWalt DCD794D1 Atomic 20V Drill/Driver Kit

DeWalt DCD794D1 ATOMIC COMPACT SERIES 20V MAX Brushless Cordless 1/2 in. Drill/Driver Kit

4.9(34 ratings)
$76.00at Tool Pass ProVerified
See all prices and details
Visit Tool Pass Pro
Pros
  • Highest power of the pair at 404 UWO
  • Shortest and lightest body for tight spaces
  • 2.0Ah battery outlasts the 1.5Ah cells
  • Belt hook included
  • Strong 4.9 rating from owners
Cons
  • Only one battery in the kit
  • No contractor bag
  • Fewer owner ratings to judge long-term wear
DeWalt
DeWalt 20V Max DCD777C2

DeWalt 20V Max DCD777C2 Drill/Driver

DeWalt 20V Max DCD777C2

4.8(180 ratings)
$71.49at eBayObserved Nov 8, 2026, 5:54 PM
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Two batteries included, so one can charge while you work
  • LED stays on 20 seconds after the trigger releases
  • Long record of owner ratings at 4.8
  • Contractor bag included
  • 3-year limited warranty
Cons
  • Less power at 340 UWO
  • Longer and heavier body
  • 1.5Ah batteries run down faster than 2.0Ah

What separates them

DeWalt DCD794D1 Atomic 20V Drill/Driver KitDeWalt 20V Max DCD777C2 Drill/Driver
Power output404 UWO340 UWO
Tool head length5.88 in., DeWalt's shortest 20V drill/driver7.6 in. front to back
Weight2.4 lbs5.8 lbs listed
Top speed1,650 RPM no-load1,500 RPM in the two-speed spec, 1,750 RPM listed as max
Batteries in kitOne 2.0Ah batteryTwo 1.5Ah batteries
LED lightOn-tool light, no delay noted20-second trigger-release delay
Chuck1/2 in. ratcheting keyless1/2 in. single-sleeve ratcheting keyless
Included extrasCharger and belt hookCharger and contractor bag

Price history

$186.72$71.49
Oct 30Nov 9
  • DeWalt DCD794D1 Atomic 20V Drill/Driver Kit: lowest $95.04 on Nov 8 at Arbor; $99.00 on Nov 9.
  • DeWalt 20V Max DCD777C2 Drill/Driver: lowest $71.49 on Nov 8 at eBay; $159.00 on Nov 9.

Prices at every store

DeWalt DCD794D1 Atomic 20V Drill/Driver Kit

  • Tool Pass ProNew

    In stockReturn policy

    $76.00Verified
    Visit Tool Pass Pro
  • Authorized Tool OutletNew

    In stockReturn policy

    $99.00Verified
    Visit Authorized Tool Outlet
  • ArborNew

    In stock

    $95.04+ $49.99 shippingObserved Nov 8, 2026, 1:27 AM
    Visit Arbor
  • eBayNew

    Availability unknownSold by coinguycollectables (99.5% positive, 15,600 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $94.99Free shippingVerified
    Visit eBay

Also available at

  • eBayCheck price at eBay

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All 30 stores and price history →

DeWalt 20V Max DCD777C2 Drill/Driver

  • Lowe'sNew

    In stock

    $159.00Free shippingVerified
    Visit Lowe's
  • eBayNew

    Availability unknown

    $71.49Observed Nov 8, 2026, 5:54 PM
    Visit eBay
  • ArborNew

    Availability unknown

    $98.01Observed Nov 8, 2026, 5:54 PM
    Visit Arbor
  • EnvMartNew

    Availability unknown

    $153.11Observed Oct 30, 2026, 10:01 AM
    Visit EnvMart

Store links may earn us a commission. Some prices via Klarna.

All 11 stores and price history →

Specs compared

SpecDeWalt DCD794D1 Atomic 20V Drill/Driver KitDeWalt 20V Max DCD777C2 Drill/Driver
Tool TypeCordless Drill/DriverDrill/Driver, Cordless Drill/Driver, Cordless D…
Power TypeCordlessCordless
Power Voltage20V20V
Amperage2 Amps0 Amps
Chuck Size1/2 in.1/2 in
Chuck TypeKeylessKeyless
Motor TypeBrushlessBrushless
Max Speed1650 RPM1750 RPM
Torque404 UWO500 in-lbs
Battery Voltage20V20V MAX*
Battery Capacity2 Ah1.3 Ah
Battery IncludedYesYes
Show all 40 specsShow fewer specs
SpecDeWalt DCD794D1 Atomic 20V Drill/Driver KitDeWalt 20V Max DCD777C2 Drill/Driver
Battery TypeLithium Ion20V MAX* Compact Li-ion
Number Of Batteries Included12
Battery Charging Time1 hr1 hr
Included AccessoriesChargerCharger
Height7.97 in.7 inches
Length5.88 in. (tool head length only)7.52" (front to back)
Weight2.4 lbs.5.8 lbs.
Width2.49 in.2.5 inches
Functionality HighlightsVariable speedVariable speed

What reviewers say

DeWalt DCD794D1 Atomic 20V Drill/Driver Kit

  • 4.9 / 534 ratings

Rated 4.9 out of 5 from 34 ratings, buyers are very positive. They value the compact size and light weight for tight and overhead work.

What people mention
  • SizePraisedOwners like how short the head is for reaching into tight spots.
  • WeightPraisedAt 2.4 lbs. it is easy to hold overhead for longer stretches.
  • PowerPraisedBuyers find the brushless motor strong for a compact drill.
  • BatteryMixedThe included 2.0Ah pack is fine for light jobs but runs down quickly on heavy drilling.

DeWalt 20V Max DCD777C2 Drill/Driver

  • 4.8 / 5180 ratings

Rated 4.8 out of 5 from 180 ratings, owners treat the DCD777C2 as a dependable general-purpose drill. They like the compact size, the brushless run time and the two-battery kit. The main complaints are the small 1.5 Ah batteries and limited torque for heavy jobs.

What people mention
  • Battery lifeMixedOwners say the brushless motor stretches each charge, but the 1.5 Ah packs drain fast in heavy drilling.
  • Size and weightPraisedThe 7.6-inch body fits into tight spaces, though some find 5.8 lbs on the heavy side.
  • PowerMixed340 UWO and 500 in-lbs handle everyday drilling and driving but struggle with large hole saws.
  • ChuckPraised

Questions and answers

Which is better for driving long screws and hole saws?
The DCD794. Its 404 UWO and 1,650 RPM top speed give it more headroom for demanding bits, and its shorter body keeps the tool balanced in tight spots.
Which has better battery life per charge?
The DCD794's single 2.0Ah battery holds more charge than either 1.5Ah pack on the DCD777C2. The DCD777C2 wins on total runtime only because it ships with two batteries you can swap.
Which is easier to use overhead or in cabinets?
The DCD794. At 2.4 lbs and 5.88 in. at the head, it is noticeably lighter and shorter than the 7.6 in. DCD777.
Is the DCD794 worth stepping up to over the DCD777C2?
Yes if power and size matter most to you. The DCD777C2 is the better pick if having a second battery in the box matters more than the extra torque.
Do both use the same 20V MAX batteries?
Yes. Both run on DeWalt 20V MAX lithium-ion packs, so batteries and chargers are interchangeable between the two tools.
Which has the better light?
The DCD777C2's light stays on for 20 seconds after you release the trigger, which helps in dark cabinets. The DCD794 has a plain on-tool LED.

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Number Of Speed Settings
2 (0-450/0-1650 RPM)
2
Built In FeaturesLED lightLED light
Design HighlightsCompactBuilt-in LED light
BrandDEWALTDEWALT
Maximum speed1650 rpm1,750 RPM
Charger includedYYes
Electric motor typeBrushless—
Volts20 Volts—
Is variable speedY—
Speeds2—
Batteries inclY—
Number of batteries1—
FeaturesVariable Speed—
AccessoriesCase—
Rec. useHome—
Product line20V MAX ATOMIC—
ManufacturerDeWalt—
Amps2 A—
Watts404 Watts—
The 1/2-inch keyless ratcheting chuck grips bits firmly and is easy to change.
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