Which kit is better for masonry drilling?

The DCK449E1P1. Its DCD805 hammer drill is rated up to 34,000 bpm, which is the mode you want for brick and block. The two-tool kit is aimed at drilling and driving.

Which has the stronger impact driver?

The DCK2101QQ1WW1's DCF845 spins at 3,400 RPM, slightly above the 3,250 RPM of the four-tool kit's driver. The four-tool driver is more compact at 5.3 in and 3.4 lb.

Do I need the work light?

Only if you work in dim spaces. The four-tool kit includes a DCL040 LED work light; the two-tool kit relies on the LEDs built into the drill and driver.

Which kit is easier to carry around?

The two-tool kit, at 13.73 lb against 16.80 lb. It also comes in a contractor bag rather than a soft bag.

Is the four-tool kit worth stepping up to?

Yes if you want a hammer drill, a work light and a 5.0Ah battery in one purchase. If you already own a light and spare packs, the two-tool kit covers the essentials.

Are both kits brushless?

Yes. Both use brushless motors on their tools, which means longer runtime and no brush replacement.

DeWalt 20V MAX XR Drill/Impact Combo Kit vs DeWalt DCK449E1P1 20V 4-Tool Combo Kit

The DCK449E1P1 is the broader kit: four tools, a POWERSTACK compact battery plus a 5.0Ah pack, and a hammer drill rated at up to 34,000 bpm. The DCK2101QQ1WW1 is the tighter two-tool set with a 3,400 RPM impact driver and a contractor bag, and it carries a 4.7 rating from 30 owners. Buy the four-tool kit if you want a work light and more battery capacity; buy the two-tool kit if you only need drilling and driving and want a lighter bag.

Choose the DeWalt 20V MAX XR two-tool kit if you mainly drill and drive fasteners and want a compact, proven pair without paying for tools you won't use.
Choose the DeWalt DCK449E1P1 four-tool kit if you want a hammer drill, impact driver, work light and a second battery in one box.

Prices

DeWalt 20V MAX XR Drill/Impact Combo Kit: $299.00 at Amazon (last seen Nov 1)
DeWalt DCK449E1P1 20V 4-Tool Combo Kit: $435.00 at eBay (last seen Nov 4)
Difference: the DeWalt 20V MAX XR Drill/Impact Combo Kit is $136.00 cheaper than the DeWalt DCK449E1P1 20V 4-Tool Combo Kit at the latest prices (Nov 1 and Nov 4)

	DeWalt 20V MAX XR Drill/Impact Combo Kit	DeWalt DCK449E1P1 20V 4-Tool Combo Kit
Tool count	Two tools: hammer drill and impact driver	Four tools, including a DCL040 LED work light
Battery mix	Two XR POWERPACK batteries	One POWERSTACK compact battery plus one 5.0Ah battery
Hammer drill output	Brushless hammer drill, 3,400 RPM impact driver	DCD805 hammer drill rated up to 34,000 bpm and 40% more Unit Watts Out than the DCD796B
Impact driver	DCF845 at 3,400 RPM	Compact 3-speed impact driver, 5.3 in long, 3.4 lb, up to 1,825 in-lb torque and 3,250 RPM
Weight	13.73 lb kit	16.80 lb kit
Case	Contractor bag	Soft kit bag
Lighting	Tool-mounted LEDs only	Separate pivoting LED work light plus drill LEDs
Stated user	General drilling use	Marketed to professionals

Spec	DeWalt 20V MAX XR Drill/Impact Combo Kit	DeWalt DCK449E1P1 20V 4-Tool Combo Kit
Power Source	Cordless	Cordless
Number Of Tools	2	4
Battery Voltage	20V	20V
Number Of Batteries	2	2
Motor Type	Brushless	Brushless
Speed	3,400 RPM (DCF845)	Variable 3-speed trigger
Case Included	Yes	Yes
Case Type	Contractor Bag	Soft
Weight	13.73 lbs	16.80 lbs.
Included Accessories	Charger	Charger
Intended Application	Drilling	Drilling
Pattern	Letter Pattern	—

Spec	DeWalt 20V MAX XR Drill/Impact Combo Kit	DeWalt DCK449E1P1 20V 4-Tool Combo Kit
Clothing Size	XXS	—
Actual Color	White	—
color	White	—
size	XXS	—
Voltage (V)	20.0	—
No. of Batteries (pcs)	2	—
Tool Components	—	DCL040 LED work light
Battery Type	—	POWERSTACK Battery
Colors	—	Multicolor
Skill Level	—

DeWalt 20V MAX XR Drill/Impact Combo Kit vs DeWalt DCK449E1P1 20V 4-Tool Combo Kit

Prices

DeWalt 20V MAX XR Drill/Impact Combo Kit vs DeWalt DCK449E1P1 20V 4-Tool Combo Kit

Prices

DeWalt 20V MAX XR Drill/Impact Combo Kit

DeWalt DCK449E1P1 20V 4-Tool Combo Kit

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DeWalt 20V MAX XR Drill/Impact Combo Kit

DeWalt DCK449E1P1 20V 4-Tool Combo Kit

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DeWalt 20V MAX XR Drill/Impact Combo Kit

DeWalt DCK449E1P1 20V 4-Tool Combo Kit

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