
DeWalt DWS779
Score: 85/100
Evolution R255SMS+
Score: 78/100Rankings

The DEWALT DWS779 is a heavy-duty, corded 12-inch sliding compound miter saw designed for professional contractors who need maximum cutting capacity and precision. Its high-torque motor and double-bevel functionality excel at complex trim and molding work, though the heavy weight limits portability. It is best suited for users with dedicated workshop space who prioritize cutting performance over mobility.

The Evolution R255SMS+ is a versatile 15-amp sliding compound miter saw designed for cutting wood, steel, and aluminum, offering significant value for its price. Its single-bevel design and inconsistent laser guide are notable drawbacks for complex joinery tasks. It is best suited for DIY enthusiasts and metalworking hobbyists needing a budget-friendly multi-purpose tool.
| Attribute | ![]() | ![]() |
|---|---|---|
12 inchesbest | 10 inches | |
15 ampsbest | 15 ampsbest | |
14 inchesbest | 11.75 inches | |
48 degreesbest | 45 degrees | |
120 voltsbest | 120 voltsbest | |
50 degreesbest | 50 degreesbest | |
3,800 RPMbest | 2,500 RPM | |
| ↓ lower better | 56 lbs | 41.8 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Cutting Performance(3) | ||
Blade Diameter (inches) | 12 inches | 10 inches |
Max Cut Capacity (inches) | 14 inches | 11.75 inches |
No-Load Speed (RPM) | 3800 RPM | 2500 RPM |
Portability & Build(1) | ||
Product Weight (lbs) | 56 lbs | 41.8 lbs |
Safety(1) | ||
Safety Features | Material Clamp | Laser Guide |
Angle Versatility(2) | ||
Bevel Range (degrees) | 48 degrees | 45 degrees |
Miter Stops | 10 | 0, 15, 22.5, 30, 45 |
Power & Motor(2) | ||
Motor Type | Universal | Brushed |
Cord Length (feet) | 6 feet | 10 feet |
Value & Extras(1) | ||
Included Accessories | Blade Wrench, Material Clamp, Dust Bag | Clamps, Dust Bag, Fences, Blade, Cable |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highly praise the DWS780 variant for its cutting power, high cut capacity, and superior ergonomics, noting excellent miter adjustment and rapid performance.
Users appreciate the saw's reliability, accuracy, and versatility for trim and molding work, but recurring concerns focus on the difficulty of storing such a heavy tool and the need for external vacuum systems.

Professional reviewers characterize the Evolution R255SMS+ as a capable 'workhorse' that offers significant value for its price point, praising the 15-amp motor and multi-material blade.
Everyday users praise the saw for its raw power and versatility, particularly noting its ability to cut through thick 4x4 posts without strain. However, the single-bevel design is a recurring theme of dissatisfaction.
“quite powerful”

“pretty accurate out of the box”

“capable workhorse for the price point”


