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Dewalt DWS779 vs DWS780 – Which is the right one for you?


Choosing a miter saw can give you a headache; however, knowing the aspects of each one will make the process a bit easier for you. 

In this article, I will do my best to simplify the properties and features of Dewalt DWS779 and Dewalt DWS780 so that you can choose between them without worrying that you may be making a wrong choice. 

Dewalt DWS780 is one of the very best 12-inch sliding compound miter saws you can have today. This miter saw is suitable to use if you are a professional who is required to make precise cuts at your job site, or if you just do some DIY work at your home. 

It is durable and sturdy, for its 15 amperes motor provides 3.800 RPM, and it has 120 volts. This means that Dewalt DWS780 is going to last all day with you during your work, if you are remodeling a house, for example.

Speaking of the saw itself, it is made of stainless steel castings, which make it extra reliable, allow it to be used for a long time, and enable it to withstand the harsh conditions of being in a job site. 

To help you finish your job quicker and with more precision, this model comes with a revolutionary XPS crosscut positioning system with ultra-bright LED light. This feature enables it to adjust free cuts because it sheds laser on the exact place where the blade will come in contact with the material. 

The beauty and practicality of Dewalt DWS780 do not stop at that; its perfect back fence design cuts up to 2×16 pieces of lumber at 90 degrees, and 2×12 at 45 degrees. Moreover, this model allows you to bevel starting from zero until you reach 45 degrees, and you can stop at 0, 22.5, 33.9, 45, and 49 degrees in both directions. 

Also, if you get this model, you will not have to worry about cleaning up the tremendous amount of dust after you finish working. This is because it has a dust collecting system that captures over 75% of the produced dust.

Read more: Dewalt DWS780 Vs DWS782




This model is handy for both professionals and amateurs. It allows for precise and perfect cuts thanks to its laser light and XPS crosscut positioning system. It should also be your go-to if you love to work in a clean place as it will soak up to 75% of the produced dust. It is just brilliant how considerate of our needs this model is! 

Dewalt DWS779 is of high quality, powerful and durable. It has a motor of 15 amperes that provides 3900 RPM; and it does not vibrate much. Its maximum cutting thickness is 6.75 inches. 

What is excellent about its blade is that it can tilt in both directions, which means that you do not have to adjust things. This ensures effortless precision. Moreover, its back fence design enables it to cut up to 2×12 and 2×16 pieces of wood at 45 degrees and 90 degrees, respectively. 

It is also perfect for professionals and hobbyists due to its ease of use, high professionalism, precision, and high safety. Its safety measures include a transparent blade guard that allows you to control the cuts and supervise your work. That way, you can avoid lots of possible injuries. 

In addition to all of the above, this model also has a cutline blade positioning system that allows it to provide an adjustment-free cut line indication. In case you do not know what this is good for, it provides you with better visibility and, therefore, with higher accuracy. 

Moreover, you do not need to worry about having jobs at different locations on the same day because Dewalt DWS779 is portable. 

It has a dust collection system that collects up to 75% of the dust that is generated by your work; this way, you can be sure that you will always be working in a clean environment. Also, It can be cleaned very easily by wiping a cloth dipped in a cleaning solution that you use at home. 




Dewalt DWS779 is a great miter saw for working at job sites as it can withstand harsh situations. It is also durable and can last a whole day with you. Its ease of usage, perfect grip, and affordability are some of the many reasons why this is a great model to purchase.

What is the Difference Between them?


The two miter saws are quite similar in the motor power. They both have 15-ampere motors that can turn the blade for 3800 times per turn. They can also handle plywood, plastic, and metals. 

The only difference may be that with Dewalt DWS779, you can adjust the speed by which you need the blades to turn according to your needs. 


The back fence design of Dewalt DWS779 enables it to cut up to 2×12 and 2×16 pieces of wood at 45 degrees bevel cuts and 90 degrees crosscuts, respectively. Moreover, the blade can tilt both ways -to the left and to the right. Add to this that this model provides accurate cuts due to its tall sliding fences with support crown molding up to 7.5 inches. 

Dewalt DWS780, like Dewalt DWS779, can cut up 2×16 pieces of lumber at 90 degrees, and 2×12 at 45 degrees. Moreover, this model allows you to bevel starting from zero until you reach 45 degrees, and you can stop at 0, 22.5, 33.9, 45, and 49 degrees in both directions. It also provides you with easy adjustment because its miter tilts to 60 degrees to the right and 50 degrees to the left. 


Both models have a Cutline Blade Positioning System that provides an adjustment-free cut line indication. This ensures that the cuts you make are going to be accurate no matter what the material is and regardless of the angle you are cutting. Moreover, accuracy is ensured by the novel cutting mechanism and linear ball bearings. 

The incredible feature of Dewalt DWS780 is the XPS crosscut positioning system that comes with ultra-bright LED light, which enable it to adjust free cuts. Note that the XPS light relies on its brightness; therefore, if you are in a place that has heavy light, either natural or artificial, this feature will not work. 

Moreover, the tall sliding fence supports, the excellent back fence design, and the dented plate with cam lock ensure the effortless production of accurate and precise cuts. 

To conclude, the only precision feature that Dewalt DWS779 lacks is the LED light. Dewalt DWS779 has a traditional laser guide, but it can move out of alignment by time or with each use. However, the XPS system always allows you to have perfect alignment. The XPS is an essential feature for beginners, but if you are a practitioner, you can do without it.


Dewalt DWS780 is way more expensive than Dewalt DWS779. This may be because of the LED laser light, which, in my opinion, is worth this massive difference because it guarantees precise alignment and safety, especially if you are not a professional expert.


Both of them have no stands. However, if you want, you can install either of them on a compatible miter saw stand to have stability and accuracy.

Safety Precautions:

Before using any miter saw, you should read the safety precautions in its manual. I will inform you of some of the safety precautions you should follow when using any kind of miter saws. 


  • Never make any hasty moves
  • Never use it when you are anxious or angry
  • Your mind should never be wandering any other place


  • Always do proper maintenance, or else, the miter saw might malfunction during its use
  • Dull blades and damaged parts might lead to your injury
  • Lubricate its parts, and maintain and change the broken parts to have a safe machine in your hand

Brake Control:

  • Never put another piece of wood before completely stopping the saw so as not to slice a limb off!

Tools To Wear:

  • You should never use a power tool without wearing a safety headgear, gloves, and earplugs

Dewalt DWS779 Vs. DWS780: Which is Better Overall?

By now, we know that both models are quite similar in almost all their aspects, except for the price and LED laser light.

So, if money is not a big deal for you, you should buy Dewalt DWS780, for its LED light guarantees that your work will never be out of alignment and that you will always be safe. 

However, if you cannot pay the considerable difference in price, then do not feel down. Most practitioners can do without the XPS system without feeling any difference.  

The most important things to consider besides your safety, are the motor power and blades, and since they are similar, then there is no huge difference between the two models.

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