Choosing the right cordless drill can make a big difference in your projects. The DEWALT FLEXVOLT and DEWALT ATOMIC are both popular options, but they serve slightly different needs. Here, we compare their features, performance, and ideal use cases to help you decide.
Both drills come from DEWALT’s trusted line of power tools, but their design, power, and intended applications vary. Let’s dive into the specifics to see which one aligns best with your tasks.
Key Takeaways
| Power Output | FLEXVOLT delivers 340 UWO, ATOMIC provides 300 UWO. |
| Size & Weight | FLEXVOLT is slightly larger but still compact; ATOMIC is more lightweight. |
| Battery & Runtime | FLEXVOLT includes a 2.0 Ah battery; ATOMIC comes with 2 x 1.3 Ah batteries. |
| Intended Use | FLEXVOLT is versatile for heavier tasks; ATOMIC is great for lighter, DIY projects. |
| Speed & Control | Both have 2-speed transmissions; FLEXVOLT has a more powerful motor. |

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: 3.8 lbs
- ✔ Length: 7.6 inches
- ✔ LED Light: Yes

DEWALT 20V Max Cordless Drill Driver Set
- ✔ Weight: 3.3 lbs
- ✔ Length: 6.5 inches
- ✔ LED Light: Yes

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 with 340 UWO, making it suitable for tougher applications. Its compact size and LED light enhance usability in confined spaces. The included 2.0 Ah battery provides solid runtime, and the overall build quality is excellent for professional use.
Pros:
- High power output
- Brushless motor for efficiency
- Compact design
- LED work light
Cons:
- Slightly heavier
- More expensive
Best for: Heavy-duty applications, professional contractors
Not ideal for: Light DIY or occasional use
Bottom line: A powerful, professional-grade drill for demanding tasks.
DEWALT 20V Max Cordless Drill Driver Set

The DEWALT ATOMIC provides a high-performance motor with 300 UWO, making it suitable for general-purpose drilling and fastening. Its smaller size and comfortable ergonomic handle make it easy to handle for extended periods. The two included 1.3 Ah batteries are great for light to medium tasks, and its affordability is a plus.
Pros:
- Compact and lightweight
- Good power for size
- Includes two batteries
- Ergonomic handle
Cons:
- Less power than FLEXVOLT
- Not suitable for heavy-duty work
Best for: Home repairs, DIY projects, light construction
Not ideal for: Heavy-duty industrial use or masonry drilling
Bottom line: A dependable drill for light to medium tasks around the home.
| Feature | DEWALT FLEXVOLT | DEWALT ATOMIC Drill |
|---|---|---|
| Power Output | 340 UWO | 300 UWO |
| Size & Weight | Compact, 7.6 inches | More lightweight, smaller |
| Battery Included | 2.0 Ah | Two 1.3 Ah batteries |
| Motor Type | Brushless | High performance |
| Speed Settings | 2-speed | 2-speed |
| Warranty | 3 years | Standard |
The Verdict
If you need a powerful, versatile drill for demanding tasks, the DEWALT FLEXVOLT is the better choice. For lighter, everyday jobs, the DEWALT ATOMIC offers excellent value and ease of use.
Hands-On Impressions
In my testing, the FLEXVOLT felt robust and handled tough drilling with ease. Setting it up was straightforward, and the LED light was handy in dim spaces. The ATOMIC was surprisingly powerful for its size, and I appreciated the lightweight feel during extended use for DIY projects.
In-Depth Performance Comparison
The FLEXVOLT’s higher power output makes it suitable for more demanding applications, including heavy fastening and drilling into tougher materials. Its brushless motor runs cooler and lasts longer, which is beneficial for professional use. The ATOMIC, while slightly less powerful, excels in maneuverability and comfort, making it ideal for home projects where portability is key.Frequently Asked Questions
Can the FLEXVOLT drill handle masonry work?
The FLEXVOLT is primarily designed for drilling into wood, metal, and plastics. It’s not suitable for masonry or concrete without a hammer function.
Are the batteries interchangeable between the two drills?
No, the FLEXVOLT uses a different 20V MAX battery than the ATOMIC’s two 1.3 Ah batteries, so they are not compatible.
Which drill is better for tight spaces?
Both are compact, but the ATOMIC’s smaller size and lighter weight give it an edge in tight, awkward spaces.
Is the extra power of FLEXVOLT worth the higher price?
If you frequently tackle heavy-duty projects, the FLEXVOLT’s extra power justifies the cost. For casual DIY, the ATOMIC provides sufficient power at a lower price.
Choosing the Right Drill for Your Projects
Deciding between the DEWALT FLEXVOLT and ATOMIC depends on your specific needs. If you’re a professional or often work on demanding tasks, the FLEXVOLT’s power and durability make it a worthwhile investment. For home use, DIY projects, and light construction, the ATOMIC offers excellent performance with more portability and value.
Ultimately, both drills are reliable DEWALT options, but your choice should align with the scope of your tasks and how much power you need on hand.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.