The DeWalt DWS780 is a corded 12-inch sliding compound miter saw built around a 15 amp motor that spins the blade at 3,800 RPM. It stands out for its XPS cut line system, which projects the blade's path so you can line up cuts without adjusting a laser, and for deep capacity: it handles 2x16 lumber at 90 degrees while weighing about 56 lbs. It suits trim carpenters, framers and serious DIYers who cut a lot of stock and need one saw to do both crosscuts and miters. Against fixed-head 12-inch saws it offers more crosscut reach through the sliding rails, and against smaller 10-inch sliders it cuts thicker and wider material, though it is heavier and needs more bench space.
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Owners rate the DWS780 highly and most praise the power and the XPS cut line. Common complaints center on weight and the space the sliding rails take up.
The DEWALT DWS780 is a 12 in. double bevel sliding compound miter saw for crosscuts, miters, bevel cuts and finish work. It is a corded tool with a 15 amp motor that turns the blade at 3,800 RPM.
The back fence cuts up to 2 x 16 dimensional lumber at 90 degrees and 2 x 12 at 45 degrees. Tall sliding fences support crown molding up to 7-1/2 in. nested and base molding up to 6-3/4 in. vertically against the fence. The miter range is 60 degrees right and 50 degrees left.
The integrated XPS cut line positioning system shows where the blade will cut, with no adjustment needed. An adjustable stainless steel miter detent plate has 10 positive stops, and a cam lock miter handle has a detent override. Dual horizontal steel rails, a clamping mechanism and linear ball bearings provide the sliding action. An oversized bevel scale makes bevel angles easier to read, and a spindle lock speeds up blade changes.
