DeWalt vs Milwaukee Circular Saw (2026): Which Brand Cuts Better?
DeWalt wins for portability and value (DCS565B, $129). Milwaukee wins for raw power and professional framing (2830-20, $229). Both brands offer brushless motors, 50° bevel capacity, and interchangeable battery ecosystems.
See Today’s Price →At a Glance
| # | Product | Award | Price | Our Score | |
|---|---|---|---|---|---|
| 1 |  DeWalt DCS565B 20V MAX Brushless 6-1/2"… |
Best Overall | $138 | 9.2 | Buy → |
| 2 |  Milwaukee 2731-20 M18 FUEL 7-1/4" Circu… |
Also Excellent | $279 | 8.9 | Buy → |
| 3 |  DeWalt DCS578B FLEXVOLT 60V MAX 7-1/4" … |
Best Value | $215 | 8.5 | Buy → |
| 4 |  DEWALT 6-1/2-Inch 20V MAX Circular Saw |
Budget Pick | $99 | 8.2 | Buy → |
Showing 4 of 4 products
DeWalt DCS565B 20V MAX Brushless 6-1/2" Cordless Circular Saw
“The DCS565B is the sweet spot in the DeWalt lineup: brushless motor, 50° bevel, and just 7.2 lbs. It handles 2x lumber and sheet goods equally well without breaking the bank.”
See Today’s Price →What we like
- Brushless motor extends battery life
- Lightest in class at 7.2 lbs
- Compatible with all DeWalt 20V MAX batteries
- Smooth bevel adjustments to 50°
Watch out for
- 6-1/2" blade limits cut depth vs 7-1/4"
- Tool only — batteries sold separately
Read Full Analysis
The DCS565B replaced the older DCS391B as the core DeWalt circular saw. Its brushless motor delivers noticeably better runtime — about 30% more cuts per charge. The blade-left design gives you a clear sightline to the cut line, which speeds up accurate work. At 7.2 lbs bare, it's comfortable for overhead cuts. The 50° bevel and depth-of-cut lever are smooth and lock positively. Our only caveat: 6-1/2" blades limit depth to 2-1/4" at 90°, which is fine for most work but may fall short on thicker decking.
Milwaukee 2731-20 M18 FUEL 7-1/4" Circular Saw (Bare Tool)
“The 2731-20 is Milwaukee's workhorse circular saw — POWERSTATE brushless motor, 7-1/4" blade, and 2-9/16" cut depth make it the go-to choice for framing and structural work.”
See Today’s Price →What we like
- 7-1/4" blade handles framing lumber with ease
- POWERSTATE brushless motor rivals corded power
- REDLINK PLUS intelligence prevents overloads
- 200+ compatible M18 tools in the ecosystem
Watch out for
- 8.5 lbs bare — heavier than DeWalt 6-1/2" models
- Higher price point than comparable DeWalt
Read Full Analysis
The 2731-20 represents Milwaukee's best cordless circular saw before you reach the rear-handle segment. It puts out 5,800 RPM through a POWERSTATE brushless motor — enough to match a corded saw cutting dimensional lumber. The REDLINK PLUS intelligence system monitors load and temperature, preventing motor damage on long cuts. The 7-1/4" blade gives 2-9/16" depth at 90°, covering almost all framing applications. Weight is a step up at 8.5 lbs, but that's the trade-off for the larger blade. If you already own M18 batteries, this is a no-brainer upgrade.
DeWalt DCS578B FLEXVOLT 60V MAX 7-1/4" Circular Saw (Bare Tool)
“DeWalt's answer to Milwaukee's big-blade saws — the DCS578B uses 60V FLEXVOLT batteries for maximum power with a 7-1/4" blade.”
See Today’s Price →What we like
- 60V FLEXVOLT delivers true corded-equivalent power
- Electric brake for faster blade stops
- Uses FLEXVOLT batteries that also work as 20V in other tools
- 7-1/4" blade for full framing depth
Watch out for
- Requires FLEXVOLT batteries (not included)
- FLEXVOLT batteries cost more than standard 20V packs
Read Full Analysis
The DCS578B bridges the gap between DeWalt's 20V and Milwaukee's M18 FUEL by running on 60V FLEXVOLT batteries. In practical use, it maintains consistent RPM better than M18 under load — the FLEXVOLT architecture manages discharge more aggressively. The electric brake stops the blade in about 2 seconds after trigger release, which improves safety on tight cuts. The catch: FLEXVOLT batteries are pricey. If you don't already own them, start with the DCS565B instead.
DEWALT 6-1/2-Inch 20V MAX Circular Saw
“The DCS391B is the entry point to the DeWalt circular saw lineup — brushed motor but reliable, light, and genuinely affordable.”
See Today’s Price →What we like
- Lowest price in the DeWalt cordless lineup
- Lightweight at 7.0 lbs
- Works with all DeWalt 20V MAX batteries
- Proven reliability over many years on market
Watch out for
- Brushed motor — less efficient than DCS565B
- No electric brake
- Lower runtime per charge than brushless models
Read Full Analysis
The DCS391B has been the standard DeWalt circular saw for years. While it lacks the brushless motor of the newer DCS565B, it performs reliably for projects where you're not cutting lumber all day. If you already own 20V MAX batteries and need a circular saw for occasional weekend projects, this is the most cost-effective entry point. Upgrading to the DCS565B costs only $10 more but gets you the brushless motor — worth it if you use the saw more than once a month.
DeWalt vs Milwaukee Circular Saw (2026) Buying Guide
Great for: DIYers who cut plywood, dimensional lumber, and sheet goods regularly, and anyone building furniture or framing
Not ideal if: You only make a handful of straight cuts a year — a miter saw or hand saw is safer for occasional use
DeWalt vs Milwaukee Circular Saw: The Full Comparison
Both brands run parallel 20V/18V systems with backward compatibility. DeWalt's FLEXVOLT batteries (60V when in series, 20V for standard tools) give the DCS578B exceptional runtime — useful for all-day framing. Milwaukee's M18 ecosystem is the widest in the industry with 200+ compatible tools.
DeWalt's 20V lineup centers on 6-1/2" blades (DCS391B, DCS565B) with 2-1/4" cut depth at 90°. Milwaukee's M18 FUEL models (2731-20, 2830-20) use 7-1/4" blades for 2-9/16" depth — more suited to framing lumber.
Both the DCS565B (DeWalt) and 2731-20 (Milwaukee) use brushless motors. The efficiency gain over brushed saws is significant: 30-50% longer runtime and 2-3x longer motor life. If you're on a tight budget, the brushed DCS391B still performs well for occasional use.
DeWalt's 6-1/2" brushless models weigh ~7.2 lbs (bare tool). Milwaukee's 7-1/4" models run ~8.5-9.5 lbs. For overhead cuts or extended work, the DeWalt's weight advantage matters. For basement/deck framing where you're cutting 2x lumber all day, the Milwaukee's larger blade earns its weight.
For most homeowners and DIYers: DeWalt DCS565B. It's lighter, cheaper, and brushless. For professional framers: Milwaukee 2731-20 or 2830-20 for corded-equivalent power. Not sure whether you need a drill, an impact driver, or a hammer drill for your project? Our drill vs. impact driver guide breaks down every driver type so you buy the right tool the first time.
Quick Decision: If budget is the priority, go with the DEWALT 6-1/2-Inch 20V MAX Circular Saw; if you want the best overall, choose the DeWalt DCS565B 20V MAX Brushless 6-1/2" Cordless Circular Saw; if you need also excellent, the Milwaukee 2731-20 M18 FUEL 7-1/4" Circular Saw (Bare Tool) is your pick.
Watch Before You Buy
Frequently Asked Questions
Is DeWalt or Milwaukee better for professionals?
Can I use DeWalt batteries in Milwaukee tools?
What is the difference between DCS565B and DCS391B?
Does Milwaukee 2830-20 require special batteries?
Which circular saw is best for cutting plywood?
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