Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
2 of 3 tools
Tool comparison

Milwaukee M18 BIW12 vs DeWalt DCF891

They differ in 5 of 6 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 5 of 6 areas

No overall winner: these are the figures that separate them, from each maker's own documentation.

SpecMilwaukee M18 BIW12DeWalt DCF891
Max torque240Nm812Nm
Max RPM0–24500–600 / 1200 / 2000
Impacts per minute3350ipm3250ipm
Speed settings14
Tool length155mm175mm
Weight (bare)1.2kg1.67kg
Weight (with battery)1.9kg2.28kg
Noise94.1 dB(A) LpA / 105.1 dB(A) LwA91 dB(A) LpA / 102 dB(A) LwA
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