Dewalt dws779 vs dws780

Dewalt dws779 vs dws780 – Which one is better & why?

miter saw

Dewalt dws779 vs dws780DeWalt DWS779 and DWS780 both are popular models from this brand, and both are capable of solving any woodworking problem. But the question is Which could be a  better option for you. Okay, let’s find out the answer.

What the Difference, and Which one is better?

  • The main difference between DeWalt DWS779 and DWS780 is that DeWalt DWS 780 has a LED light that creates a shadow indicator on the surface. This fantastic method is known as the XPS crosscut positioning system. But DeWalt 779 doesn’t come with this system.
  • Without this LED light, most of the features are the same as-.
  • Both have the same weight of 56lbs.
  • Both have adjustable stainless-steel miter detent plates with 10 positive stops that improve productivity, ensures accuracy.
  • 780 and 779 have a Powerful 15 amp, 3800 rpm motor, which provides extended power.
  • Both DWS780 and DWS779 have Supper efficient dust collection systems. They can capture over 75% of the dust.
  • Both tools have 12 inches Blade, which is made of a carbide Blade. A Carbide blade is best for its durability.
  • Both have 2 in. x 14 in. dimensional lumber crosscut capacity at 90° and 2 in. x 10 in. dimensional lumber at 45°.
  • Both have 3 years of limited warranty for all parts.

As you know, accuracy in woodworking is so important. If you make mistakes and can’t maintain accuracy, the whole work and time become a total waste. But nothing to worry about- if you get the Dewalt780 every time, you will get an accurate cut. And if you think you can do it manually or consider the XPS crosscut positioning system, you can have dws779.


Comparison Chart: Dewalt dws779 vs dws780

Specifications                DWS780             DWS779
Editor’s Rating         4.9 out of 5         4.6 out of 5
Dimension    21.46 x 17.72 x 17.13 inches   2 x 23 x 18.5 inches
Weight            56 pounds           56 pounds
Power Source       Corded Electric           Ac/dc
Blade Length           12 Inches       12 Inches
Voltage           120 Volts         120 Volts
Speed             3800 RPM       3800 RPM
Dust Collection System                 75%             75%
XPS crosscut positioning system                  Yes           No
Batteries required                   No                No
Warranty Description 3 Year Limited Warranty 3 Year Limited Warranty

Differences & Similarities: DWS779 vs DWS780

Power and Durability

The motor’s power is needed to be mentioned here that DWS780 and DWS779, both sliding compound miter Saw is formed with a 15amp powerful motor that creates 3800 rpm so that both can deliver extended power. Besides, these two machines can be used for different woodwork.


For professional work, the blade of a sliding compound miter saw is so essential. These two miter saws come with a 12-inch stainless steel blade. However, the DWS779 uses only stainless steel, while the DWS780 also comes with the Carbide blade. The Carbide blade ensures safety during the machine in use.

Integrated XPS cross-cut positioning system.

XPS crosscut positioning system makes the cutting work much easier by making accurate shadow lines on the wood surface. Anyone can easily cut the wood accurately by using DWS780 as it has an integrated XPS cross-cut positioning system, but DWS779 doesn’t have this kind of system.

Item Weight

Weight is crucial while choosing professional work tools as it is sometimes needed to move, transport, and store. Both DWS779 and DWS780 have the same weight, only 56 lbs(25.5KG). So, you can quickly move, transport the tool from one place to another and store it at any place.

Unique Handle Design

A unique handle design has been installed on the DWS780, but there is no such thing in DWS779. With this handle, DWS780 can be removed easily from one place to another. And it makes the miter saw very simple to use.

Monopolistic back enclosure design

A monopolistic back enclosure design has been made on the DWS780 and DWS779, which smoothly cuts up to 2X14 dimensional lumber at 90-degrees, 2 by 12 at 45 degrees.


The dimension of DWS780 is 21.46 x 17.72 x 17.13 inches, and the dimension of DWS779 is 2 x 23 x 18.5 inches. If you are looking for a small one, then the Dws779 could be your choice, yet I recommend the DWS780.

Innovative gearbox and belt drive design

DWS780 is provided with an innovative gearbox and belt drive design. This innovative gearbox and belt drive design increase perpendicular cutting capacity. On the other side,  the DWS779 is not equipped with the belt drive and innovative gearbox design.

The super-efficient dust collection system

Both DWS780 and DWS779 have a super-efficient dust collection system; they can capture over 75% of the dust. You will get a dust-free clean environment to work in.


Both DWS780 and DWS779 have 3 years of limited warranty. DeWalt has given a warranty that it will repair the tools during the warranted three years. But during this period, no one should try to repair it by himself. Otherwise, the company will not provide a free service to repair.

Besides, If you aren’t totally satisfied with the product’s performance you can return the product and get your money back, but you should return it within 90 days with the receipt. So, while working, you need not worry at all.


So, if you are looking for an “Integrated XPS cross-cut positioning system and Easy portability” for more professional work, you should choose DWS780. DWS779 is also a useful tool, but its features are older. I highly recommend the DWS780 since it has the latest technology.

Frequently Asked Questions about DeWalt DWS780 and DWS779.

Is there any cut line in dws779?

No, there is no cut line in dws779.

Do they provide a warranty?

Yes, 3 years of limited warranty. But you must ensure that no one has tried to open the tool. And the warranty will not be applicable if you open the tool.

Does the dws779 miter saw come with a laser system? 

No, there is no laser or any guiding system available on the Dws779. But you will get the Integrated XPS crosscut positioning system on the Dws780.

Between dws779 and dws780, which provides more accuracy? 

DWS780 provides more accuracy as it has an integrated XPS cross-cut positioning system.DWS779 doesn’t have this feature.

How much dust was collected by dws780 and dws779?

Both of the machines can collect more than 75% of the dust that helps keep the entire environment clean.

Can I return this product? 

Yes, you can return this product, but you have to return it within 90 days with the receipt.

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