Verdict
Head-to-head · Best Circular Saws

Bosch 18V Cordless Circular Saw vs DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad comes out ahead by a clear margin (3.6 vs 4.3). The gap is mostly about power-hungry cordless users — read the strengths below before deciding.

Bosch 18V Cordless Circular Saw
Ranked #6 in Best Circular Saws
Bosch 18V Cordless Circular Saw
$388as of Jul 1

The Bosch CCS180 18V cordless circular saw offers a lightweight, powerful alternative for professionals and DIYers. Reviewers praised its balance, 4.0Ah battery performance, and anti-snag guard design. The depth gauge and easy handling were highlighted as significant advantages. However, some noted issues with the bevel gauge clarity and occasional depth adjustment rail dislodgement. While not a direct replacement for corded models in heavy-duty framing, it excels in trim work and hard-to-reach areas where portability matters most.

Strengths
  • Lightweight and well-balanced at 6.6 pounds, easy to wield one-handed
  • Powerful performance with 4.0Ah battery providing extended runtime and cooler operation
  • Anti-snag lower guard design prevents guard from snagging on materials
Watch-outs
  • Bevel gauge is not clearly marked and lacks arrow indicator for angle identification
  • Depth adjustment rail can become dislodged from groove causing sluggish operation
  • Trigger safety mechanism is awkward and requires adjustment period for users
DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad
Higher ratedRanked #2 in Best Circular Saws
DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad
$297.99as of Jul 1

The DEWALT 20V MAX 6-1/2-inch circular saw delivers robust performance with its 5,150 RPM motor and carbide-tipped blade, making it suitable for demanding cuts. Reviewers noted its lightweight magnesium shoe offers durability and accuracy, while the 0 to 50 degree bevel capacity provides versatility. The tool is designed as a bare unit, requiring separate purchase of battery and charger. This saw is ideal for professionals seeking a powerful, portable option within DEWALT's 20V MAX system, though users should consider the additional cost of accessories.

Strengths
  • 5,150 RPM motor delivers power and speed for demanding cuts
  • Lightweight magnesium shoe provides durability and cut accuracy
  • 0 to 50 degree bevel capacity for versatile cutting angles
Watch-outs
  • Battery and charger sold separately
  • Tool only – no included battery or charger

How they stack up

Bosch 18V Cordless Circular Saw

The Bosch 18V saw is lighter than the DeWalt 20V Cordless and Atomic models, but it lacks the brushless motor and higher RPM of those saws. Unlike the DEWALT 20V MAX, it doesn't include a carbide-tipped blade, and its bevel gauge is less clearly marked compared to the DeWalt DWE575.

DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad

The DEWALT 20V MAX saw outperforms the DeWalt 20V Cordless and Atomic models in terms of power and blade size, but lacks the lightweight design and built-in LED light found in the latter two. Unlike the SKIL 5280-01, it doesn't include a laser guide, but offers a more powerful motor and carbide-tipped blade for demanding cuts.

Specs side-by-side

SpecBosch 18V Cordless Circular SawDEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blad
Motor Type18V brushless motor5150 RPM motor
RPM3900 rpm5,150
Blade Size6.5 inch6-1/2 inch
Cut Capacity2 1/8 inch @ 90°2 times material at 90°
Bevel Angle50 degrees0 to 50°
Power Source18V LithiumBattery
Weight6.6 lb8.1 lb
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