DWS779 vs DWS780: Which One Is Right for You

Are you in the market for a new saw? Look no further than Dewalt’s DWS779 and DWS780. These two saws are both incredibly powerful, reliable tools that will help you get your job done right. But which one should you choose? In this article, we’ll compare these two models to give you an idea of what each has to offer so you can make an informed decision on which is best for you.

The first thing to consider is their design features. The DWS779 has been designed with precision and accuracy in mind – it offers a 15 amp motor along with a metal-reinforced frame that helps reduce vibration while increasing stability during operation. It also comes equipped with a dust collection system for easy cleanup when the job is finished. Meanwhile, the DWS780 boasts a 20 amp motor and improved electronics that provide increased control over speed settings as well as more accurate depth-of-cut readings.

Finally, there are several differences between these models in terms of price and warranty coverage. The DWS779 tends to be more affordable than its counterpart, but it only comes with a 3-year limited warranty compared to the 5-year limited warranty offered by the DWS780. Both warranties cover parts and labor costs, though users may need to pay additional fees depending on where they purchased their tool from or if any modifications were made after purchase.

By taking all of this into account, it’s clear that choosing between the Dewalt DWS779 and DWS780 isn’t just about performance – affordability, user convenience, and overall value must also be taken into consideration before making your final decision. Read on to learn more about how these two saws stack up against each other!

Overview Of Both Models

The Dewalt DWS779 and DWS780 are two of the most popular miter saws on the market. According to recent estimates, more than 15% of all miter saw sales in 2019 were either DWS779 or 780 models. Both saws feature double bevel compound cuts with adjustable miter detent plates for precise repeatable cuts. Their vertical capacity also makes them ideal for cutting dimensional lumber and crown molding up to 6-1/2 inches nested.

The DWS779 has an impressive crosscutting capacity of 13¾ inches at 90 degrees and 10 inches at 45 degrees while the larger DWS780 has a wider range of 16¼ inches at 90 degrees and 12” at 45 degrees. The additional width is due to its increased horizontal cutting capacity which allows it to make bigger cuts across longer boards. In addition, both models come equipped with a dust collection system that captures over 75% of debris generated during cutoffs.

Overall, these two models share many common features but each offers unique benefits depending on your specific needs and preferences as a woodworker or contractor. With their powerful motors, sturdy construction, and large cutting capacities, they can complete almost any job demanding precision-angled cuts quickly and accurately – making them great investments for those who need reliable tools for tough projects without breaking the bank.

Motor Power And Speed

The motor power and speed of the DeWalt DWS779 vs. DWS780 are key features to consider when deciding which saw is right for you. Both models have impressive specifications, though there are some differences in terms of their performance:

  • DWS779
  • Motor: 15-amp corded motor with 5,000 RPM
  • Cool Feature: Has a blade brake that stops the blade quickly after releasing the trigger
  • DWS780
  • Motor: Brushless 20V MAX 3,800 RPM motor
  • Cool Feature: Efficient brushless motors deliver more run time than brushed motors

The DWS779 has a powerful 15 amp corded motor that can reach up to 5,000 revolutions per minute (RPM). This allows users to make quick cuts through materials like wood or plastic with ease. Plus, it has an added benefit of a blade brake that can stop the blade quickly once you release the trigger.

On the other hand, while the DWS780 has a lower maximum RPM at 3,800 compared to its predecessor’s 5,000 RPMs, its brushless motors provide greater efficiency and more runtime than traditional brushed motors. And even though they generate fewer amps than their counterparts, these brushless motors still offer plenty of power for most tasks.

Both saws have great motor performance capabilities; however, depending on your needs one may be better suited for your project than the other. Quality of cut is another important factor to consider when making your decision.

Quality Of The Cut

When it comes to precise cuts, the difference between Dewalt DWS779 and DW780 is like night and day. Both saws have their merits in accuracy when cutting through tough materials, but only one of them can claim superiority. Below we will compare the two saws based on several aspects that determine the quality of a cut:

Bright LED light?YesNo
Precise miter?YesYes
Compound miter?YesYes
Stainless steel miter detent plate?NoYes
Extra features? NoneDust collection bag & work clamp included
Cutting capacity (90° cross-cut)?2×16”2×16”

The first feature to consider would be lighting; the DWS779 has an integrated bright LED light that illuminates the blade path for greater visibility during cutting operations. The second factor to consider is precision; both saws boast a precise miter system with adjustable stainless-steel detents at 0°, 15°, 22.5°, 31.6° and 45° left and right so you get accurate results every time. When looking at compound miters, both models are able to make clean angled cuts with ease while also offering smooth sliding action thanks to linear ball bearings.

To top it off, the DWS780 offers, even more, versatility by including a laser guide that helps produce straight-line cuts quickly and accurately as well as extra features such as a dust collection bag and a work clamp! Lastly, let’s look at actual cutting capacities – both saws offer up to 2 x 16-inch maximum cross-cuts with 90 degrees angles which makes them great for general-purpose applications around your home or workshop.

Overall, if you’re looking for a reliable tool that provides excellent precision and convenience out of the box then either model should serve you well – however, if you want something with more additional features than what’s offered by the DWS779 then the DW780 may be worth considering due its advanced laser guide capability plus extra accessories included in the package. With all this in mind let us now turn our attention toward the type of blades used on these two powerful tools…

Type Of Blade Used

When it comes to the type of blade used for cutting, the DEWALT DWS779 and DWS780 are similar. Both saws use a 10-inch miter saw blade with carbide teeth that are designed to cut through wood and other materials easily. The blades can be changed quickly thanks to the cam lock miter handle, which also helps ensure accuracy when making cuts.

The following items should be kept in mind when switching out blades:

  1. A blade wrench will likely be necessary as it is not included with either saw;
  2. Make sure to secure your material during each cut with a material clamp;
  3. Measure twice before setting up your 10-inch base because different blades have different diameters.

Both models offer belt drive systems that provide smooth and quiet operation while still delivering plenty of power to make precision cuts every time. This makes them great options for both professionals and DIYers alike who need quality results from their projects without having too much noise or vibration present in their workspace. With this information in hand, you can assess whether weight and portability take precedence over power output for your next project needs.

Weight And Portability

When it comes to weight and portability, the Dewalt DWS779 is a significantly lighter option than its counterpart. It weighs in at 56 pounds compared to the DWS780’s 64-pound tool dimensions. That light can make a huge difference when working with dense wood species or carrying your saw up stairwells.

Plus, both models have cam lock miter buttons for quick adjustments as well as handles with detent override so you can manually adjust them without having to release any locks. The lightweight design also includes a comfortable carry handle which makes transportation easier and more efficient.

In terms of overall size, they are quite similar but may vary slightly depending on where you buy from. Both tools feature an extended fence rail system allowing for better accuracy over bigger materials – making them suitable for various projects. Additionally, their dust collection systems work efficiently so there’s no need for extra vacuum suction devices or hoses attached to each one during use.

Overall these saws provide plenty of power and convenience for cutting jobs even under tough conditions yet remain light enough to transport around easily – perfect for those who value both performance and portability in their equipment. Moving onto durability and reliability…

Durability And Reliability

Fortunately, both the Dewalt DWS779 and the DWS780 have a great reputation for durability. Both miter saws come with a three-year warranty, although you’ll need to pay extra for an extended warranty if desired. The stainless steel detent plate on the DWS780 is more durable than that of the 779; however, it does cost slightly more.

The base fence system on both models has been praised by many a miter saw the review as being highly reliable. However, the 780’s fence system is larger, providing greater accuracy and ease while making cuts. It also offers wider capacity when cutting miters: 6 1/2″ vs 4 3/8″. And thanks to its stainless steel miter scales, users can make precise settings easier than ever before.

Overall, these two miter saws offer excellent reliability and durability – but the DWS780 edges out ahead by offering superior performance at only a slight increase in price. As we move onto our next topic – dust collection systems – it becomes clear that this model offers even more value than its predecessor.

Dust Collection System

The dust collection systems of the Dewalt DWS779 and DWS780 are night and day. Both saws feature a dust chute, but the 780 ups the ante with an efficient dust port that can connect to a vacuum for even better results. The 779 also has an excellent clamping system in place that works well enough, but nothing compares to the click-and-lock system on the 780.

Not only is it more secure, but it allows for super-efficient dust collection as well. This makes it easier for users to clean up any mess quickly and easily without having to worry about too much debris left behind.

While both saws have reliable collection systems, the DustPort on the 780 allows for better performance when compared to its predecessor. It’s easy to install thanks to its simple design and quick-release lever which means no extra tools are required. Plus, this added convenience gives users peace of mind that their work area will remain tidy during use – perfect for anyone looking for a neat workspace after each job is complete.

No matter which models you choose, rest assured knowing both offer reliable dust collection capabilities that make cleanup effortless. Transitioning between different materials or working on multiple projects won’t be hindered by excess particles being spread around either since they’ll all get sucked away into your choice of collection system while you work.

Ease Of Use

Moving on from the dust collection system, ease of use is a major factor to consider when comparing the DeWalt DWS779 and DWS780. Both saws offer innovative cutting capabilities that make it easy to create accurate cuts with minimal effort. The key differences lie in their fence support cams and miter detent plate parameters.

Integrated cutline blade positioning systemNoYes
Laser guided systemNoYes
Adjustment-free cut-line indicationsNoYes
Cam lock for quick and accurate fence adjustmentsYes

The DeWalt DWS779 does not have an integrated cutline blade positioning system or laser-guided system, but it does feature adjustment-free cut-line indications as well as a cam lock for quick and accurate fence adjustments. On the other hand, the DeWalt DWS780 has both an integrated cutline blade positioning system and a laser-guided system which makes creating precise cuts easier than ever before. Furthermore, it features adjustable cam locks for even more accuracy when making fence adjustments.

Overall, users can expect reliable performance from both models; however, those who are looking for ultimate precision may want to opt for the DeWalt DWS780 due to its advanced features such as an integrated cutline blade positioning system and laser-guided system. With these tools at your disposal, there’s no need to worry about inaccurate measurements or wasted time spent adjusting settings- you’ll be able to complete any job quickly and efficiently! Now let’s explore how each model measures up in terms of safety features.

Safety Features

When it comes to safety features, the Dewalt DWS779 and DWS780 have many similarities. Both saws come with a vertical cutting capacity of up to 3-5/8 inches at 90 degrees and 2-9/16 inches at 45 degrees. Additionally, they both feature an adjustable stainless steel horizontal rail that can be adjusted from 0 – 70° for increased accuracy. Furthermore, both saws include a rail lock system that ensures accurate cuts every time as well as a faint laser indicator for better visibility when making long straight cuts.

However, there are some differences between the two models in regard to their guide systems. The DWS779 utilizes a traditional laser guide system whereas the DWS780 has LED lights that provide greater visibility than its predecessor. This makes it easier to get exact measurements while trimming or cutting materials accurately and efficiently.

Finally, each saw is backed by a three-year limited warranty so customers can rest assured knowing they are getting quality products with protection should any issues arise down the line. With this information in mind, let’s take a closer look at the warranty periods offered on these two DeWalt tools.

Warranty Periods

The safety features of the dewalt DWS779 and DWS780 are both impressive, but their warranties set them apart. Like a beacon of hope in an otherwise uncertain world, these saws provide customers with a limited warranty to ensure that they won’t be left in the lurch should something go wrong. The flexible materials used in construction and built-in LED light make this saw hard enough to last many years even under rough use.

When it comes to blade size, the DWS779 boasts a 12-inch double bevel sliding miter saw while the DWS780 offers users more flexibility with its 15-inch plate with cam lock. This allows for greater accuracy when making precise cuts and tight angles so you can get your projects done quickly and accurately. Plus, the larger size also allows for bigger bevel cuts which are great when working on large jobs.

Both the 779 and 780 models come equipped with solid warranties that provide peace of mind no matter what project you take on. With coverage ranging from one year up to three depending on the model type, Dewalt has made sure to protect their products against any potential problems that may arise over time – giving customers confidence in every cut they make!

Accessories Included

The Dewalt DWS779 and DWS780 both come with a few accessories included in the package. The table below shows what is included in each model.

Multipurpose carbide bladeYesNo
No load speed (RPM)3,800-4,800 RPMs2,800-3,200 RPMs
The metal detent plate systemYesYes
Innovative clamping device for quick adjustments of bevel angle and depth cutsYes
Bevel gauge & oversized bevel scaleYes
Larger capacityNo

Both models feature a metal detent plate system that allows users to make accurate adjustments quickly and easily. Additionally, they have an innovative clamping device that makes it convenient to adjust the bevel angle and depth cuts. Also included are a bevel gauge and an oversized bevel scale that will help you achieve precise results on any project. While the DWS779 has a larger no-load speed range compared to the DWD780 at 3,800-4, 800 RPMs versus 2,800-3, 200 RPMs respectively; the DWS780 features a larger capacity than its counterpart.

With all these features combined together, the user can expect accuracy and precision when using either saw – making them great tools for tackling any job.

Overall Reviews From Customers

The DeWalt DWS779 and the DWS780 are both highly rated in customer reviews. Here is a rundown of their features:

Premium Features

  • Dust collection system to keep your work area clean
  • Hardened steel blade for extra durability
  • The laser guide helps with cutting accuracy

Additional Features

  • Bevel cut capacity from 0°-45°
  • The compact size makes it easier to store or transport
  • The electric brake stops the saw when released

Key Features

  • 15 amp motor provides plenty of power for tough jobs
  • The soft start feature ensures smooth operation every time
  • Adjustable depth stop for precise cuts each time

These two saws offer customers excellent value, as they have many premium features that are not found in other saws at this price point. The laser guide, dust collection system, and hardened steel blade make them great tools for any job site. They also provide an impressive level of cutting precision and accuracy during the cutting process. All these features combine to create saws that can handle almost any job you throw at them.

Overall, customers appreciate the quality construction and performance offered by these two models. Their combination of advanced technology, powerful motors, and convenient design elements has earned them rave reviews among those who use them regularly.

Pros And Cons Side-By-Side Comparison

The Dewalt DWS779 and the DWS780 are both miter saws that have different features. The DWS779 has a 15-amp electric motor, which is powerful enough to handle tough cuts. It also has a belt-driven motor for smooth operation. In addition, it comes with a crosscut cutting capacity of 2×14 inches at 90 degrees, and 2×10 inches at 45 degrees. It also has an adjustable cut line blade positioning system for improved accuracy when making angled cuts.

On the other hand, the DWS780 is slightly more advanced than its counterpart, featuring a 20-amp electric motor and larger blades (2×16-inch crosscuts at 90 degrees; 2×12-inch at 45). It also offers better dust collection through its dust port design as well as an integrated cut marking system for precise alignment of your workpiece. In comparison to the 779 models, this one provides greater power output while still having excellent control over the speed of the blade rotation.

Both models offer great value in terms of performance and ease of use. However, if you’re looking for a reliable miter saw with enhanced capabilities such as larger blades or improved dust collection then the DWS780 might be right up your alley. Ultimately, it boils down to what type of job you intend on doing with each model and how much power you require from your miter saw.


In conclusion, the DeWalt DWS779 and the DWS780 are both great saws that have their own advantages. The motor power and speed of each model differ greatly; the 779 has a 15 amp motor while the 780 uses a 12 amp one. The quality of the cut is also different between them as they use different blades: the 779 has an easy-to-use, 24-tooth carbide blade while the 780 comes with a 32-tooth carbide blade for more precise cuts.

Each model’s weight and portability make it easier to work with when needed on various job sites. Both models come with a 3-year limited warranty on parts and labor, but only the DWS780 comes with additional accessories like dust bags and throat plates which can be useful in certain applications.

Overall, customers seem to prefer the DeWalt DWS779 due to its superior performance compared to the 780 – at least from what we’ve seen so far. It offers great value for money while still providing professional results. Yet, depending on your needs you may find yourself leaning towards either one of these saws over another; after all, what works best for you? That’s something that you must decide on your own!

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Hi there, technology lovers and DIY enthusiasts! My name is Alvin, and I am an admin for this blog. I am a techno-geek and a DIY enthusiast, making this blog the right place to share all my knowledge with you to make your life easier in terms of technology.

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