DeWalt DCD791 vs Milwaukee M18 FUEL Circular Saw: Specs Compared

Introduction: Why Compare a Drill to a Circular Saw?

Comparing the DeWalt DCD791 drill to the Milwaukee M18 FUEL circular saw might seem odd at first glance—one is a compact drill, the other a full-size saw. However, the question arises frequently among power tool buyers who are choosing between the two brands’ 18V platforms. This guide directly compares the DeWalt DCD791 (a 20V MAX XR brushless drill) with the Milwaukee M18 FUEL 7-1/4-inch circular saw (model 2830-20) to help you decide which tool better fits your workshop. Both are flagship units from their respective lineups, but they serve entirely different primary functions, so we focus on compatibility, power delivery, ergonomics, and real-world value in your tool kit.

Are the DeWalt DCD791 and Milwaukee M18 FUEL Circular Saw Even in the Same Class?

No, these are not direct competitors in function. The DeWalt DCD791 is a 20V MAX XR brushless compact drill/driver, while the Milwaukee M18 FUEL 7-1/4-inch circular saw (often paired with a high-output battery) is a heavy-duty cutting tool. However, many users compare platforms when building a cordless tool collection. The DCD791 excels at drilling holes and driving fasteners, with a maximum torque of 460 in-lbs and a compact length of 6.3 inches. The Milwaukee circular saw delivers 4,500 RPM no-load speed, can cut 2-1/2 inches at 90°, and weighs roughly 10.5 pounds with a battery. Understanding the specs clarifies why you’d choose one over the other for specific tasks.

Which Tool Offers Better Power and Runtime for Your Needs?

The power question depends entirely on the job. The DeWalt DCD791 delivers 460 in-lbs of torque, sufficient for drilling 1-inch spade bits into softwood or driving 3-inch screws into pressure-treated lumber. Its brushless motor, combined with a 5.0 Ah battery, offers long runtime for drilling tasks—up to 300 holes in 2×4 lumber per charge. In contrast, the Milwaukee M18 FUEL circular saw produces 4,500 RPM with a 7-1/4-inch blade, capable of cutting through 2×12 lumber in a single pass. Using a 12.0 Ah High Output battery, the saw can cut roughly 500 linear feet of 3/4-inch plywood per charge. However, under heavy load, the saw drains batteries faster. For a typical carpenter, the drill’s runtime is excellent for assembly work, while the saw’s power is needed for rough cutting. The Milwaukee saw’s Raptor clutch protects the motor from kickback, but the DeWalt drill offers no such safety feature—only a mechanical clutch for screw depth.

Which Platform (DeWalt 20V vs Milwaukee M18) Offers Better Value Long-Term?

When choosing between these tools, you’re really choosing between two battery ecosystems. DeWalt’s 20V MAX system (also compatible with FlexVolt) includes over 200 tools, from drills to saws to lights. The DCD791 is part of the XR line, known for durability and compact design. A starter kit with two 5.0 Ah batteries and a charger costs around £149. The Milwaukee M18 FUEL system includes over 100 tools, with the circular saw as a core item. The bare saw costs about £199, but you’ll need a battery—a 12.0 Ah High Output adds another £130. Over time, the DeWalt platform is often cheaper to enter, especially for a drill user. But if you need heavy cutting power, Milwaukee’s High Output batteries provide superior energy density for saws. In terms of resale value, both brands hold up well, but Milwaukee’s FUEL line tends to fetch higher prices used. For a workshop starting from scratch, the DCD791 combo kit is a better entry point. For a framing crew, the Milwaukee saw plus a few High Output batteries is the wiser investment.

Ergonomics and Handling: Which Tool Is More Comfortable for Daily Use?

Ergonomics differ drastically due to tool purpose. The DeWalt DCD791 is a compact drill measuring 6.3 inches long and weighing 3.4 pounds bare. Its rubber overmold grip fits small and large hands alike, and the 20-position clutch ring is easy to adjust with a gloved hand. The LED worklight with a 20-second delay is practical for dark corners. The Milwaukee circular saw, however, is a beast: 7.8 pounds bare, 10.5 pounds with a 12.0 Ah battery. Its magnesium shoe reduces weight but the off-set blade design requires a firm two-handed grip. The saw features a built-in dust blower and a rafter hook, but the trigger is stiff. Most users report that the Milwaukee saw handles well for a cordless saw but the DeWalt drill is more natural for prolonged use. The drill’s keyless chuck is metal and robust, while the saw’s blade change lever is tool-free. For long days on site, the DCD791 causes less fatigue. For occasional cuts, the saw’s heft isn’t a deal-breaker.

Price vs. Performance: How Do These Tools Compare in Cost per Task?

To evaluate cost per task, consider the typical uses. The DeWalt DCD791, when bought in a kit with two 5.0 Ah batteries, costs about £149 ($179). That includes batteries and charger. Over 200 hours of drilling, the cost per hour is roughly £0.74. The Milwaukee 2830-20 saw (bare) at £199 plus a 12.0 Ah battery at £130 totals £329 ($409). If you cut 100 linear feet per week, the cost per foot is about £0.01 after the initial investment. However, for mixed tasks (drilling and cutting), the DCD791 is far more versatile—you can drive screws, drill holes, and mix paint. The saw only cuts. A better comparison is between the DeWalt DCS570 (circular saw) and the Milwaukee saw. But since the question focuses on DCD791 vs Milwaukee saw, the DCD791 wins on value if you need a general-purpose tool. The saw wins if cutting is your primary task. In the UK, where DeWalt kits are frequently on sale at Screwfix or Toolstation, the DCD791 offers exceptional bang-for-buck. In US and EU markets, the gap widens similarly.

What Owners Say About These Tools in Real-World Use

User reviews reveal consistent themes. For the DeWalt DCD791, owners praise its small size (6.3 inches) and power for a compact drill. “I’ve used it daily for 18 months—drilled hundreds of 3/4-inch holes in studs and it hasn’t slowed down,” wrote one contractor on a UK forum. Common complaints include the LED light being too bright in dark rooms and the belt clip being plastic. For the Milwaukee M18 FUEL circular saw, owners love the cut capacity—“cuts through LVL like butter” and “the Raptor clutch saved me from kickback twice.” Negative feedback focuses on weight: “10.5 pounds with a 12.0 battery—my wrist aches after a day of cutting.” Battery compatibility is another point: the saw requires High Output batteries for full performance; standard 5.0 Ah batteries cause slower cuts. Overall, the DCD791 scores 4.7 out of 5 on average, while the Milwaukee saw scores 4.5 out of 5. Both are high-quality tools, but the drill is more universally liked for its versatility and low fatigue.

Frequently Asked Questions

Can I use a Milwaukee battery on a DeWalt tool (or vice versa)?

No, Milwaukee M18 batteries have a different voltage platform and physical shape compared to DeWalt 20V MAX batteries. They are not cross-compatible. You need adapters, which are not recommended for safety and performance reasons.

Which tool is better for a DIY homeowner?

The DeWalt DCD791 drill is far better for a DIYer. It handles drilling, screwdriving, and light mixing tasks. The Milwaukee circular saw is heavy and specialised—only buy it if you frequently cut framing lumber, plywood, or sheet goods.

Is the Milwaukee circular saw worth the extra money over the DeWalt DCS570?

If you value the Raptor clutch and magnesium shoe, yes. The Milwaukee saw is about £100 more expensive than the DeWalt DCS570. For professional framers, the durability and blade visibility justify the cost. For occasional use, the DeWalt saw offers better value.

Does the DeWalt DCD791 come with a battery?

Yes, most kits include two 5.0 Ah batteries and a charger. The bare tool version is available but less common. The Milwaukee circular saw is typically sold as a bare tool only.

Which tool has better warranty coverage?

DeWalt offers a 3-year limited warranty, 1-year free service, and 90-day money-back guarantee. Milwaukee offers a 5-year limited warranty on the tool. Batteries have a 2-year warranty for both brands. Milwaukee’s longer tool warranty is an advantage for the saw.

Can I use a 6.0 Ah battery in the Milwaukee circular saw?

Yes, but the saw will not achieve full power output. Milwaukee recommends High Output batteries (8.0, 12.0, or 6.0 HO) for best performance. Standard 6.0 Ah packs (non-HO) will work but produce slower cuts under load.