DeWalt DWS780 Review. Should You Buy This Miter Saw?

Dewalt DWS780 Review

Nothing is as frustrating as buying a specialty tool, such as a miter saw, that is either overpriced or underperforming.

I have experienced this myself, so I am writing this DeWalt DWS780 Review so that you can make an educated decision with your next purchase. Read on to determine if this miter saw will match your needs and grow with you on your woodworking journey.

Presenting The DeWalt DWS780 Miter Saw

DEWALT DWS780 12-Inch Double Bevel Sliding Compound Miter...
Title
DEWALT DWS780
Blade
12-Inch
Design
Double Bevel Sliding Compound Miter Saw
Motor
15 amp, 3800 rpm
Alignment System
LED XPS cross-cut alignment system
Warranty
DEWALT'S 3 year limited warranty
Client Rating
Price
$589.76
Learn More
DEWALT DWS780 12-Inch Double Bevel Sliding Compound Miter...
Title
DEWALT DWS780
Blade
12-Inch
Design
Double Bevel Sliding Compound Miter Saw
Motor
15 amp, 3800 rpm
Alignment System
LED XPS cross-cut alignment system
Warranty
DEWALT'S 3 year limited warranty
Client Rating
Price
$589.76
Learn More

This miter saw offers users a 12-inch cutting blade for ample depth of cut. Its sliding design provides plenty of reach for cross-cutting various framing lumber up to 14-inches in width.

The DWS780 is a compound miter saw, allowing you to make both miter and beveled cuts. That includes a dual bevel feature that lets you cut in either direction, saving you the hassle of having to flip the board.

A 15-amp electric motor powers the DeWalt DWS780. It will power the 12-inch blade through any cross-cut, even at maximum width or depth. The miter saw is rated at 3,800 RPMs under no-load conditions, a range that offers plenty of speed for cutting across the grain.

Additional features improve workflow, including a Cutline blade positioning system that speeds up alignment between line and blade. A detent plate with ten positions at popular angles will also speed up adjustments.

The DeWalt coverage plan provides consumer confidence, including a three-year limited warranty on the miter saw.

What’s in the box?

You will get the miter saw, dust bag, blade wrench, vertical material clamp, paperwork, and a carbide blade.

Who is it for?

This miter saw delivers the power, durability, and workflow features that contractors and fabrication shops need. The large capacity this item provides will also be appealing to woodworkers that use rough sawn timber.

It might prove to be too expensive for occasional woodworkers that are on a tight shop budget. Those who will not use it regularly may also find an alternative more to their liking.

Pros

  • 12-inch circular saw blade
  • A maximum 14-inch cross-cutting reach
  • Detent plate with 10 positive stops
  • Cutline blade positioning system
  • Dust system collects 75-percent of debris

Cons

  • Lacks ruler markings
  • Debris bag fills quickly
  • A higher price point

DeWalt DWS780 Review

12-Inch Saw Blade

The heart of the DWS780 design is the 12-inch circular saw blade. 10-inch models have the most blade products on the market, but I have no issues finding the TPI and tooth layout needed for wood projects in the 12-inch blade size. They can cost more than the smaller diameter blades, though.

Many woodworkers can take full advantage of the extra depth and reach that the 12-inch blade provides. When combined with other design elements discussed below, maximum ratings include:

  • 90-degree cross-cut capacity: 14-inches (16-inches with fence set up)
  • 45-degree bevel cut capacity: 2 x 14 lumber (2 x 16 with special set up)
  • 45-degree miter cut capacity: 4 x 8 lumber
  • Vertical capacity: 7.5-inches

This saw holds both 5/8 and 1.0-inch arbor sizes.

Power Output

DeWalt equips a 15-amp electric motor in the DWS780. You will notice this is a standard amperage range for many power tools, and this DeWalt design has years of use in the field.

The 1,675 watts are needed to drive a 12-inch blade. The motor generates 3,800 RPMs under no-load, an acceptable pace for this size of blade in most wood materials. Cutting hardwoods at maximum depth could slow the rotation speed down, however.

DeWalt provides plenty of ventilation at the top of the motor housing, but you may notice some heat building up with continuous use. The gearbox and belt system used in this miter saw allows it to achieve the 7.5-inch vertical cutting capacity.

For a 15-amp motor, you should use a 25-foot extension cord with 14-gauge wire or a 50-foot extension cord with 12-gauge wire. Extension cords longer than 50-feet should not supply power to a 15-amp motor.

Table Support and Fence

The support surface for a miter saw is usually minimal, and the table surface for the DWS780 is no exception. You will get complete support on 2 x 4 timber, but wider boards will overhang the surface. Fortunately, the miter handle offers support for the entire cut capacity.

A tall back fence provides support for vertical cuts on your base of crown molding. The center is notched, a design feature that gives room for the miter saw to move at any angle you set.

A material clamp for holding pieces during verticle cuts will help keep your project safely in place as you operate the saw. The miter table gauge rotates smoothly, and the clamp controls do not get in the way of lumber at full turn.

Bevel and Miter Adjustments

You can make bevel adjustments that range from 0 to 48-degrees. That range is available to the left or right, allowing you to make end cuts without having to flip the lumber.

A miter capacity from 0 to 60-degrees is available to the left and from 0 to 50-degrees to the right. The extra degrees of angle allows for more versatility in your cutting abilities.

A cam lock keeps the miter handle in place once adjusted. I found the pre-set indents on the miter gauge plate handy. There are positive stops for the most often used angles on both sides of the miter plate.

XPS Cross-Cut Alignment System

The Cutline blade positioning system allows you to align the cut line with the blade. Unlike traditional laser guides, the XPS system maintains accuracy between different blades and does not require constant recalibration.

It is in the blade housing, near the handle. You will get a line of sight without interruption as the blade drops down or lifts. Lengthy delays trying to drop the saw blade for cut alignment are no longer necessary with this system.

Dust Collection

Power saws generate a lot of debris, so dust collection is necessary. DeWalt has designed the blade guard with ridges that improves airflow around the blade. That eliminates a lot of debris build-up in the protective housing.

Another design element is the taper at the collection point. It, along with the location, allows the system to collect 75-percent of the material released during a cut. You will be cleaning up fewer chips and dust with the DWS780.

You can fit a 1.5-inch hose around the outside of the dust collection duct. The 1.25-inch hoses on many shop vacs will connect to the inside of this piece.

DeWalt includes a dust bag with the miter saw, but it will fill quickly and need constant dumping.

DeWalt DWS780 Buyer Reviews

Many of the features I discuss in this DeWalt DWS780 Review can be found in reviews by others. After taking the time to read and watch many owners opinions, several themes have emerged:

Customers love the ability to cut wider boards with the DWS780. The greater cutting capacity on this model encouraged more than one person to upgrade from their previous miter saw. They discovered other improvements over their old tools after using the DeWalt.

The ability of this saw to make repeatable cuts is another point of consideration for many. That includes larger woodworking projects, like multiple bookcases or lumber for home framing. Bussard‘s pictures on the DeWalt product page highlight the DWS780 cut consistency DIYers brag about.

Those of you who are familiar with the older miter saw designs may be on the fence about a replacement. Many customers bought this as a replacement for a broken or rundown model they had for years. The updated technology was not overwhelming, and users find they enjoy using this miter saw a lot.

Have you ever noticed that some woodworkers can get more out of their power tools than others? Power tools from top-tier manufacturers are adjustable once you get them home. That is true for DeWalt’s DWS780 as much as it is for any other miter saw you buy.

For instance, this customer demonstrates how to use the adjustments on the miter saw. Another thing the video shows is ways that you can measure and correct alignment issues. That will give you the best possible results when using the DWS780, and highlights why tuning your DeWalt DWS780 is a hot topic on many forums.

Finally, many potential customers wonder about the 14 and 16-inch maximum cross-cut width listings. While customers write about making the necessary adjustments, I found that this video demonstrates the procedure quickly.

Alternatives To The DeWalt DWS780 Miter Saw


DeWalt DWS779 12-Inch Miter Saw

Sale
DEWALT Sliding Compound Miter Saw, 12-Inch (DWS779)
  • Your purchase includes: 1 CDEWALT DWS779 sliding compound cord miter saw, 12-inch, carbide blade, 1 blade wrench
  • Tool dimensions: 17” H x 24.75” L. Tool weight: 56 lbs. Maximum cutting thickness: 6.75 inch
  • Other specifications: 15 Amps, 12” blade diameter, 5/8” or 1” Arbor size. 3800 RPM motor. Type of milter saw: Slide

The stripped-down version from DeWalt delivers similar performance, but it lacks the XPS cross-cut positioning system. You will also note the maximum cut width is set and can not increase by removing the back fence pieces.

This miter saw targets woodworkers with a smaller budget in mind. It still provides the durability and control that hobbyists and professionals require.

  • This model cost less
  • It does not include the Cutline system
  • The maximum cut width is 14-inches

Those looking for DeWalt’s features at a lower price should take a closer look at the DWS799.


Bosch GCM12SD 12-Inch Miter Saw

Sale
Bosch Power Tools GCM12SD - 15 Amp 12 Inch Corded Dual-Bevel...
  • Axial glide system: The patented glide system allows wider cross cuts and better alignment while also being compact; This saves you 12 inch of valuable work space; Bosch glide miter saw also offers...
  • Capacity: Expanded cutting capacity 14 inch horizontal capacity nominal 6 1/2 inch vertical capacity against the fence base 6 1/2 inch crown capacity against the fence 45 spring
  • Adjustable: The GCM12SD miter saw provides easy adjustments with a large easy to read uniform bevel and stainless steel miter scales with marked detentes and roof pitch angles; Bevel detents: 0, 33.9...

Small tweaks to controls and their placement make this miter saw stand out. That includes the upfront bevel lock that is in lever form, as well as a miter detent override that provides maximum precision. Sliding material supports give an extra surface for longer pieces of lumber you are cutting on.

This product caters to users who want to keep tabs on workpiece distance and bevel alignment after set up.

  • Includes a detent overide
  • Has ruler marks on the back fence
  • This miter saw costs more

Anyone preferring large visual markings, including on the fence, will want to research the Bosch GCM12SD.


Tacklife PMS03A 12-Inch Miter Saw

TACKLIFE Sliding Miter Saw, 12inch 15Amp Double-Bevel...
  • ▲【Double-Bevel Cutting & Max Cutting Depth】Double-bevel design allows 45° cuts(L)of up to 2.36*12.99 inche and 45 °cuts(R) of up to 1.38*12.99 inche; It can meet bevel cutting needs by swing...
  • ▲【Powerful Motor & Multipurpose Cutting】Powerful 15Amp/1700W with 3800rpm smoothly cutting through multiple materials such as wood, plastics, aluminum alloy and metal plate
  • ▲【Sharp 40 Tooth TCT Blade】Chop saw comes with an ultra high grade 40 tooth tungsten carbide tipped blade, offering more possibilities for cutting various materials and allowing smoothly...

The price tag for this model is friendly towards any woodworker’s wallet. The manufacturer includes plenty of extras with your purchase. Those extras include a carbon brush, extension rods, Allen wrenches, and a clamping system.

This product functions with a small shop hobbyist in mind. Target customers include users working inside basements and spare rooms.

  • A budget-friendly price point
  • Bevel angles limited to 45-degrees
  • Greater dust collection ability

If you need a miter saw that generates very little debris compared to other designs, research more on the Tacklife PMS03A.


Is Greater Reach Worth It?

Most write-ups, including this DeWalt DWS780 Review, try to highlight features that you will find necessary for you to continue to grow in the woodworking hobby.

The bottom line is that I think the DeWalt DWS780 will provide you with accurate cuts on wide lumber. It has a 12-inch blade that will do that chore with one pass.

The double bevel layout allows you to cut left and right ends without flipping the board. Adding the XPS Cross-Cut Positioning System will increase your cutting rate, getting more done quickly.

The range of bevel and miter angles will cover most project needs from picture frames and molding to geometric borders on tabletops. Handle designs on the ends allows one or two people to carry it without issue.

A well-designed dust collection system gathers 75-percent of the debris you make. That means less time cleaning and more time having fun in the shop.

Make sure to check out the DeWalt DWS780 miter saw on Amazon and see for yourself. It will improve your enjoyment as well as your cutting capacity!

Sale
DEWALT DWS780 12-Inch Double Bevel Sliding Compound Miter...
  • New precise miter system
  • Handle design for added portability
  • Integrated XPS cross cut positioning system provides adjustment-free cut line indication

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