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

Bosch GBH 8-45 D vs HiKOKI DH40MEY2

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.

SpecBosch GBH 8-45 DHiKOKI DH40MEY2
Power input1500W1150W
Impact energy12.5J9.2J
Impact rate2700bpm2800bpm
Max hole, concrete45mm40mm
Max core cutter125mm105mm
Weight8.2kg6.8kg
Vibration (hammer drilling)24.3 m/s²10.9 m/s²
Vibration (chiselling)14.8 m/s²10.6 m/s²
Noise97 dB(A) LpA / 105 dB(A) LwA100 dB(A) LpA / 108 dB(A) LwA
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