
DeWalt DCS578B
Score: 92/100Bosch GKS18V-25N 4 in
Score: 88/100Rankings

The DeWalt DCS578 is a 60V MAX* brushless cordless 7-1/4-inch circular saw designed to deliver corded-level power with 2456W output. It features an electric brake and a 57-degree bevel capacity, making it a high-performance tool for professional framing. While it offers exceptional power and portability, the lack of included batteries and variable speed control are notable trade-offs.
The Bosch GKS18V-25N is a professional-grade 18V cordless circular saw featuring BITURBO Brushless technology designed to deliver corded-tool performance. It offers a 2-1/2-inch cut depth, 50-degree bevel range, and smart connectivity via the Bosch Toolbox App. Best suited for professional contractors and framers needing cordless mobility without sacrificing power.
| Attribute | ![]() | Bosch GKS18V-25N 4 in |
|---|---|---|
7.25 inchesbest | 7.25 inchesbest | |
2.563 inchesbest | 2.5 inches | |
5,800 RPMbest | — | |
57 degreesbest | 50 degrees | |
60 Vbest | 18 V | |
| ↓ lower better | 8.2 lbsbest | 11.55 lbs |
0.625 inchesbest | — | |
3 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Bosch GKS18V-25N 4 in |
|---|---|---|
Power & Motor(1) | ||
Voltage (V) | 60 V | 18 V |
Performance & Cutting(4) | ||
Cutting Depth at 90 Degrees (inches) | 2.5625 inches | 2.5 inches |
No-Load Speed (RPM) | 5800 RPM | Variable RPM |
Bevel Capacity (degrees) | 57 degrees | 50 degrees |
Arbor Size (inches) | 0.625 inches | inches |
General & Warranty(1) | ||
Warranty Length (years) | 3 years | years |
Design & Ergonomics(2) | ||
Weight (lbs) | 8.2 lbs | 11.55 lbs |
Handle Type | Ambidextrous | |
Features & Accessories(3) | ||
Dust Collection | true | |
Spindle Lock | true | |
Included Blade | false | true |

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

Professional reviewers and editors praise the DeWalt DCS578 for its significant power upgrade, citing the jump from 1600W to 2456W as impressive for tough jobs. It is widely regarded as DeWalt's most powerful 7-1/4-inch cordless saw.
Everyday consumers commonly praise the saw for being extremely powerful and capable of cutting through wood with ease. Recurring complaints focus on the added bulk and weight when using larger batteries.
Professional reviewers characterize the GKS18V-25N as a 'Strong Arm' tool that serves as a viable replacement for corded circular saws on jobsites where cordless convenience is valued.
Everyday users repeatedly praise the tool's genuine power, noting that it cuts like a corded saw and runs smoothly. Common themes include good balance, reliable battery life with premium cells, and effective dust control.
“Extremely powerful”

“Quick brake”

