Which is better for drilling into concrete?

The DCK2050M2. Its DCD805 hammer drill has a hammer mode for masonry. The DCD800 is a drill/driver only and has no impact function.

Do I need the combo kit if I already own DeWalt 20V batteries?

Not necessarily. If you already have batteries and only need a drill, the DCD800 at $79.99 covers drilling and screwdriving. The kit makes sense if you also want an impact driver and a second battery.

Is the combo kit worth about $175 more?

Yes if you need both tools. The kit adds a hammer drill, an impact driver, a second 4.0Ah battery, a charger and a bag. If you only drill holes and drive screws, the DCD800 is the cheaper path.

Which has more torque for driving large screws?

The DCK2050M2. Its ATOMIC impact driver is rated at up to 1,825 in-lb, far more than a drill/driver can deliver. The DCD800 relies on its clutch and chuck.

Which is lighter to use overhead?

The DCD800. It weighs about 2.4 lb as a bare tool, while the full combo kit weighs 11.1 lb with both tools, batteries and bag.

Which has the better rating?

The DCD800 rates 4.7 out of 5 from 35 ratings; the combo kit rates 4.5 out of 5 from 291 ratings. The kit's score rests on far more reviews.

DEWALT 20V MAX XR Hammer Drill and ATOMIC Impact Driver 2 Tool Cordless Combo Kit with (2) 4.0Ah Batteries, Charger, and Bag DCK2050M2 vs DeWalt 20V Max XR DCD800

Buy the DCK2050M2 combo kit if you need a hammer drill and an impact driver and want two 4.0Ah batteries, a charger and a bag in one box. It is $255.00 at eBay as of November 3, 2026. Buy the DCD800 drill/driver alone if you mainly drill and drive screws and already own 20V MAX batteries; it is $79.99 at eBay as of November 3, 2026. The kit costs about $175 more, but it adds a hammer function, an impact driver and a second battery.

Today the DeWalt 20V Max XR DCD800 costs $175.01 less at its best price.

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