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 GSA 18V-LI C vs Festool ERSC 18

They differ in 4 of 4 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 4 of 4 areas

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

SpecBosch GSA 18V-LI CFestool ERSC 18
Stroke length21mm25.4mm
Max cut, wood200mm210mm
Max cut, pipe100mm110mm
Max cut, mild steel16mm20mm
Weight (bare)2kg1.9kg
Weight (with battery)2.6kg2.5kg
Vibration (cutting boards)9 m/s²4.5 m/s²
Vibration (cutting wooden beams)8 m/s²5 m/s²
Noise82 dB(A) LpA / 93 dB(A) LwA90 dB(A) LpA / 98 dB(A) LwA
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