DEWALT 20V MAX Atomic DCF850 Impact Driver vs DEWALT 20V MAX XR DCF845 Impact Driver

Winner DEWALT 20V MAX Atomic DCF850 Impact Driver has the higher overall owner score (3.9) in our data.

DEWALT 20V MAX Atomic DCF850 Impact DriverDEWALT 20V MAX XR DCF845 Impact Driver
Overall3.93.5
Owner sentiment4.44.1
Recommendations3.52.4
Value3.33.2
Owner comments145
Price snapshot$169.00 (price as of 2026-11-07)$170.00 (price as of 2026-11-07)

Specs (shared fields)

DEWALT 20V MAX Atomic DCF850 Impact DriverDEWALT 20V MAX XR DCF845 Impact Driver
Power SourceBattery PoweredBattery Powered
Maximum Rotational Speed3250 rpm3400 rpm
Voltage2020 volts
Maximum Chuck Size4 inches0.25 inches
Additional FeaturesVariable SpeedVariable Speed
Maximum Torque18 in-lb1825 in-lb
Number of Speeds33
Speed3250 rpm3400 rpm
Maximum Power300 watts300 watts
Torque1825 in-lb1825 in-lb
Drill TypeImpact DriverImpact Driver
Battery TypeLithium-ionLithium-Ion

Where owner praise diverges

Owners praise the DEWALT 20V MAX Atomic DCF850 Impact Driver more for compact, and the DEWALT 20V MAX XR DCF845 Impact Driver more for battery life.

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DEWALT 20V MAX Atomic DCF850 Impact Driver review · DEWALT 20V MAX XR DCF845 Impact Driver review