DeWalt DHS790AT2 vs DWS780: What’s the Difference?

In this comparison report, we’re going to compare two popular miter saw models from DeWalt – the DeWalt DHS790AT2 vs DWS780. One of them is an innovative idea wherein you get to choose between two power options. Which one is it? Read along to find out.


In our previous reports, we also compared other DeWalt miter saw models. For instance, the Dewalt DWS715 vs DWS713. Find out their differences/similarities here.

Comparison Chart: DeWalt DHS790AT2 vs DWS780

Let’s start with this chart.

Miter Saw
Model Check Price » DeWalt DHS790AT2 Check Price » DeWalt DWS780
Miter Saw Bevel Double Double
Miter Saw Type Sliding Compound Sliding Compound
Amps 15 15
Blade Diameter 12″ 12″
Tool Height 23″ 23″
Tool Length 32″ 41.75″
Weight 56.0 56.0
Power Tool Type Cordless Corded
No-Load Speed 3800 RPM 3800 RPM
Positive Stops 10 10
Max Miter Capacity 50° / 60° 50° / 60°
45° Bevel Cut Capacity (Dimensional Lumber) 2×14″ (2×16″ with back fence) 2×14″ (2×16″ with back fence)
45° Miter Cut Capacity (Max Width) 8″ 4X8
45° Miter Cut Capacity (Max Height) 4″ 4X8
90° Cross-Cut Capacity (Max Width) 16″ 14″ (16″ with special setup)
90° Cross-Cut Capacity (Dimensional Lumber) 2X14″ (2X16″ with back fence) 2X14″ (2X16″ with back fence)
Arbor Size 1.0″ 5/8″ or 1.0″
Handle Type Top Handle Top Handle
Vertical Capacity: Crown Molding Vertically Nested 7-1/2″ 7-1/2″
Vertical Capacity: Baseboard Against Fence 6-3/4″ 6-3/4″
For Wood Cutting
For Metal Cutting
CUTLINE Blade Positioning System
Blade Wrench
Dust Bag
Vertical Material Clamp
Carbide Blade
2 FLEXVOLT 20V/60V MAX* Batteries
Dual Port Fast Charger
DCA120 120V MAX* Corded Power Supply

Key Difference: Power Source and Power Options

As you can see in the chart above, the main difference between the two DeWalt miter saws is their power source.

The DeWalt DHS790AT2 is a battery-operated power tool. It is part of DeWalt’s FLEXVOLT product line. Meaning, this tool makes use of a battery system called FLEXVOLT, which allows you to switch between two voltages when you change tools. In addition, the DHS790 also gives you the ability to choose between two power sources – cordless or corded.

The DeWalt DWS780, on the other hand, is a corded machine. That said, don’t expect to get a charger and battery packs.

Also Read: Milwaukee 2734-20 vs 2734-21: What’s the Difference?

Our Final Word: DeWalt DHS790AT2 vs DWS780

Both miter saws come with a powerful 15-AMP brushless motor. They’re both reliable and have received generally positive feedback from previous customers.

Which one should you get? It all boils down to preference. A corded tool such as the DeWalt DWS780 ensures continuous flow of electricity/power. But if you hate the sight of cords, the DeWalt DHS790AT2 is for you.

Also Read: Milwaukee 2630-20 vs 2630-22: What’s the Difference?