Choosing the right cordless drill depends on your specific needs, whether it’s for heavy-duty tasks or light DIY projects. In this comparison, we examine two popular DEWALT models: the FLEXVOLT and the ATOMIC, to help you make an informed decision.
Both drills are part of DEWALT’s extensive lineup, but they cater to different user priorities, from power and runtime to size and versatility. Let’s explore their features, strengths, and limitations.
Key Takeaways
| Power | FLEXVOLT offers a more powerful brushless motor with higher UWO. |
| Size & Weight | ATOMIC is more compact and lightweight, ideal for tight spaces. |
| Battery | FLEXVOLT comes with a 2.0 Ah battery; ATOMIC includes two 1.3Ah batteries. |
| Performance | FLEXVOLT delivers 340 UWO, while ATOMIC provides 300 UWO. |
| Versatility | Both are suitable for general-purpose drilling and fastening, but FLEXVOLT handles tougher jobs. |

DEWALT 20V MAX Cordless Drill Driver Set, Electric Drill, Brushless 1/2 In 2 Speed, 2.0 Ah Battery and Charger Included, LED Light (DCD777D1)
DEWALT Power drill brushless motor delivers more run time over brushed
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At a Glance

DEWALT 20V MAX Cordless Drill Driver Set
- ✔ Weight: 3.4 lbs
- ✔ Chuck: 1/2 inch ratcheting
- ✔ Speed: 2 speeds

DEWALT 20V Max Cordless Drill Driver Set
- ✔ Size: 7.4 inches
- ✔ Chuck Type: Single sleeve ratcheting
- ✔ Warranty: 3 years

DEWALT 20V Max Cordless Drill Driver Set, 2 Speed, High Performance Motor, Includes 2 XR 1.3Ah Li-Ion Batteries, Charger and Contractor Bag (DCD771C2)
Compact, lightweight design fits into tight areas
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DEWALT FLEXVOLT vs DEWALT ATOMIC Drill: Full Breakdown
DEWALT 20V MAX Cordless Drill Driver Set

The DEWALT FLEXVOLT offers a robust brushless motor and higher UWO, making it suitable for more challenging applications. Its compact size and ergonomic design allow for comfortable use in tight spaces, plus the LED light enhances visibility. It’s a great choice if you need a drill that can handle heavier-duty tasks without sacrificing portability.
Pros:
- High UWO of 340 for tough jobs
- Brushless motor for longer runtime
- Compact and lightweight
- LED light for visibility
Cons:
- Higher price point
- Battery not included in all sets
- More suited for advanced users
Best for: Heavy-duty tasks and professional use
Not ideal for: Light DIY projects or for those needing ultra-lightweight tools
Bottom line: A powerful, feature-rich drill for demanding jobs.
DEWALT 20V Max Cordless Drill Driver Set

The DEWALT ATOMIC is a compact drill with a high-performance motor delivering 300 UWO. Its design emphasizes portability and control, making it ideal for home repairs, light construction, and DIY projects. The included two 1.3Ah batteries ensure longer use between charges, and its ergonomic handle keeps operation comfortable.
Pros:
- Lightweight and compact
- High-performance motor with 300 UWO
- Two batteries included
- Ergonomic handle
Cons:
- Less power than FLEXVOLT
- Not suitable for heavy-duty tasks
- Limited to light applications
Best for: Home repairs, DIY projects, light construction
Not ideal for: Heavy-duty industrial work or masonry drilling
Bottom line: A lightweight, dependable drill for everyday household tasks.
| Feature | DEWALT FLEXVOLT | DEWALT ATOMIC Drill |
|---|---|---|
| Power | 340 UWO, brushless motor | 300 UWO, high-performance motor |
| Size | 7.6 inches | 7.4 inches |
| Battery | 2.0 Ah included | Two 1.3Ah included |
| Weight | 3.4 lbs | 3.1 lbs |
| Light | LED with delay | No built-in light |
| Ideal Use | Heavy-duty, professional | DIY, light tasks |
The Verdict
If you need maximum power and durability for demanding tasks, the FLEXVOLT is your best bet. For lighter, everyday projects and greater portability, the ATOMIC offers excellent value and ease of use.
Hands-On Impressions
In my testing, the FLEXVOLT impressed me with its robust build and strong performance, especially in tough applications. The ATOMIC, on the other hand, felt perfect for quick jobs around the house—lightweight and easy to handle, yet still quite capable for most DIY needs. Both drills are reliable, but their strengths cater to different types of users.
Deeper Analysis
The FLEXVOLT’s higher UWO and brushless motor make it suitable for demanding construction or professional use, while the ATOMIC’s compact design shines in tight spaces and lighter tasks. Battery life, weight, and ergonomics are key factors that differentiate them, depending on your specific needs.Frequently Asked Questions
Can I use the FLEXVOLT for daily DIY projects?
Yes, the FLEXVOLT’s high power output makes it versatile enough for both heavy-duty and lighter tasks, though it might be more than needed for basic DIY jobs.
Is the battery included with both drills?
The FLEXVOLT set includes a 2.0 Ah battery, while the ATOMIC set includes two 1.3Ah batteries.
Which drill is better for tight spaces?
Both are compact, but the ATOMIC’s slightly smaller size and lightweight design give it an edge for working in confined areas.
Are these drills suitable for masonry or concrete?
No, neither drill is designed for drilling into masonry or concrete; they are better suited for wood, plastic, and light metal.
Find Your Perfect Match: Power or Portability?
Choosing between the DEWALT FLEXVOLT and the ATOMIC depends on your primary use. If you tackle tough jobs and need maximum power, the FLEXVOLT delivers outstanding performance. However, if you prioritize ease of handling, lightweight design, and everyday versatility, the ATOMIC is an excellent choice. Consider your typical projects and workspace to make the best decision.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.