DCS781B vs GCM12SD
The DCS781B beside the Bosch GCM12SD, row by row. Both are miter saws with the same blade diameter: blade diameter 12" on the GCM12SD, 12.0-in on the DCS781B, in their makers' figures.
The DEWALT DCS781B is DEWALT's 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only), listed with a 12.0-in blade. Each figure below comes from DEWALT's own pages, with a link to where it appears.
See it at DEWALTWhat a miter saw is for. Bosch Power Tools writes: "A single-bevel miter saw tilts in one direction for bevel cuts, while a dual-bevel miter saw tilts in both directions, allowing you to make angled cuts without flipping the workpiece."
As published by DEWALT, read on 2026-09-28. Makers revise their tools; check DEWALT's current specification and manual before you buy.
DEWALT publishes DEWALT's owner's manual for the DCS781B (PDF) on its own site. Read it before you buy as well as after: it is where DEWALT states the DCS781B requirements in full.
Each row is our short reading of a passage on DEWALT's pages, linked to where it appears.
The DCS781B beside the Bosch GCM12SD, row by row. Both are miter saws with the same blade diameter: blade diameter 12" on the GCM12SD, 12.0-in on the DCS781B, in their makers' figures.
The DCS781B beside the Bosch GCM18V-12GDCN, row by row. Both are miter saws with the same blade diameter: blade diameter 12" on the GCM18V-12GDCN, 12.0-in on the DCS781B, in their makers' figures.
The DCS781B beside the Bosch GCM18V-12SDN, row by row. Both are miter saws with the same blade diameter: blade diameter 12" on the GCM18V-12SDN, 12.0-in on the DCS781B, in their makers' figures.
Bosch · miter saw · blade diameter 12" · crosscut capacity 3-1/2" x 14"
DEWALT · miter saw · blade diameter 12 in. · current (amps) 15A
DEWALT · miter saw · blade diameter 12 in. · current (amps) 15 Amp
FLEX · miter saw · blade diameter 12 in · crosscut capacity 3.6 in x 14 in
Makita U.S.A. · miter saw · blade diameter 12" · crosscut capacity 3-5/8" x 15"
Bosch · miter saw · blade diameter 10" · current (amps) 15 · crosscut capacity 3-1/8" x 12"
DEWALT · miter saw · blade diameter 10" (254 mm) · current (amps) 15 Amp
Makita U.S.A. · miter saw · blade diameter 10" · crosscut capacity 2-13/16" x 12"
Bosch · miter saw · blade diameter 7-1/4" · crosscut capacity 2-1/4" x 8-1/4"
DEWALT lists the DCS781B at 60V. Check the manual for the circuit DEWALT requires.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
The DEWALT DCS781B takes a 12.0-in blade, by DEWALT's specification.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
The DEWALT DCS781B weighs 65.35-lbs, by DEWALT's figure.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
DEWALT lists warranty for the DCS781B as: 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
DEWALT lists arbor for the DCS781B as: 12" (305 mm) saw blades with 1" (25.4 mm) arbor holes; speed rating at least 4800 RPM.
Source: DEWALT DCS781B owner's manual
DEWALT lists included for the DCS781B as: (1) DCS781 60V Max* Brushless Cordless 12-in Double Bevel Sliding Miter Saw, (1) Blade, (1) Blade Wrench, (1) Material Clamp, (1) Stabilizer Bar, (1) Vacuum Adapter, (1) Dust Bag, (2) Base Extensions.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
DEWALT publishes the DCS781B manual on its own site; the link is under "The manual" on this page.
Source: 60V MAX* 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only)
Per DEWALT's own pages for the DCS781B: 50° miter left and 60° miter right; 49º bevel left and right.
Source: DEWALT DCS781B owner's manual
Per DEWALT's own pages for the DCS781B: Max. Height 4.4" (112 mm) Resulting Width 10.9" (278 mm); Max. Width 12.2" (310 mm) Resulting Height 3.5" (90 mm).
Source: DEWALT DCS781B owner's manual
Per DEWALT's own pages for the DCS781B: 60 Volt motor; 3800 RPM; automatic electric brake.
Source: DEWALT DCS781B owner's manual