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

Bosch GBH 3-28 DFR vs Bosch Green PBH 2100 RE

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 3-28 DFRBosch Green PBH 2100 RE
Power input800W550W
Impact energy3.1J1.7J
Impact rate4000bpm4600bpm
Max hole, concrete28mm20mm
Weight3.6kg2.2kg
Vibration (hammer drilling)11.8 m/s²16.0 m/s²
Vibration (chiselling)10.0 m/s²12.5 m/s²
Noise94 dB(A) LpA / 102 dB(A) LwA91 dB(A) LpA / 102 dB(A) LwA
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