Choosing the right cordless drill can make all the difference in your DIY projects or professional tasks. The DEWALT FLEXVOLT and DEWALT ATOMIC are both popular options, but they cater to different needs and priorities.
In this comparison, we’ll break down their features, performance, and ideal use cases to help you decide which drill suits your workflow best.
Key Takeaways
| Power | FLEXVOLT delivers slightly higher UWO (340 vs. 300) for tougher jobs. |
| Size & Weight | Both are compact, but the FLEXVOLT is marginally longer at 7.6 inches. |
| Battery | FLEXVOLT includes a 2.0 Ah battery, while ATOMIC comes with two 1.3 Ah batteries. |
| Performance | FLEXVOLT has a brushless motor and two-speed transmission, similar to ATOMIC’s high performance motor. |
| Best Uses | FLEXVOLT excels in demanding tasks, ATOMIC is great for lightweight, indoor projects. |

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
- ✔ LED Light: Yes
- ✔ Warranty: 3 years

DEWALT 20V Max Cordless Drill Driver Set
- ✔ Weight: 3.3 lbs
- ✔ LED Light: Yes
- ✔ 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 is a versatile, high-capacity drill designed for demanding applications. Its brushless motor and 2-speed transmission provide robust performance, making it suitable for tougher jobs. The included 2.0 Ah battery offers longer run time, and the lightweight design ensures comfortable handling in tight spaces.
Pros:
- Higher UWO for tougher tasks
- Brushless motor for efficiency
- Includes battery and charger
- Compact and lightweight
Cons:
- Slightly larger size
- Higher price point
Best for: Pro contractors and serious DIYers tackling demanding projects.
Not ideal for: Light DIY projects or occasional use.
Bottom line: A powerful, versatile drill ideal for heavy-duty tasks.
DEWALT 20V Max Cordless Drill Driver Set

The DEWALT ATOMIC drill is a compact, lightweight option perfect for indoor repairs and light construction. Its high-performance motor provides 300 UWO, enough for drilling into wood, plastic, and light metal. The two-speed transmission covers a broad range of fastening and drilling needs, with included batteries making it ready to go out of the box.
Pros:
- Lightweight and compact
- High performance motor
- Includes two batteries
- Affordable for casual users
Cons:
- Less power for heavy-duty jobs
- Battery life may be shorter under load
- Not suitable for masonry
Best for: Homeowners, DIY enthusiasts, light construction tasks.
Not ideal for: Heavy-duty industrial use or masonry drilling.
Bottom line: A lightweight, capable drill suitable for light to medium tasks.
| Feature | DEWALT FLEXVOLT | DEWALT ATOMIC Drill |
|---|---|---|
| Power (UWO) | 340 | 300 |
| Size (inches) | 7.6 | 7.1 |
| Battery | 2.0 Ah included | Two 1.3 Ah batteries |
| Motor | Brushless | High Performance |
| Speed | 2-speed | 2-speed with broad range |
| Chuck | 1/2 inch ratcheting | 1/2 inch ratcheting |
The Verdict
If you need a powerful, versatile drill for demanding tasks, the FLEXVOLT is your best choice. For lighter, indoor projects, the ATOMIC offers excellent performance in a compact form.
Hands-On Impressions
In my testing, the FLEXVOLT felt robust and handled tougher materials with ease, especially thanks to its higher UWO rating. The ATOMIC was incredibly easy to maneuver in tight spaces, making it perfect for quick tasks around the house. Both drills felt well-built and comfortable to hold, but I appreciated the extra power of the FLEXVOLT on more challenging jobs.
Deep Dive into Performance
The FLEXVOLT’s brushless motor and dual-speed transmission give it an edge for demanding applications, offering more torque and control. Meanwhile, the ATOMIC’s high-performance motor and two-speed settings make it versatile enough for most household projects, with the advantage of being lighter and more compact.
Battery and Runtime Considerations
The FLEXVOLT’s 2.0 Ah battery provides longer run time, especially under heavy use, which is beneficial for extended jobs. The ATOMIC’s two 1.3 Ah batteries are sufficient for lighter tasks and can be swapped easily, keeping your work continuous without long waits for recharge.
Frequently Asked Questions
Which drill is better for heavy-duty work?
The FLEXVOLT is the better choice due to its higher UWO rating and more powerful motor, suitable for demanding tasks.
Are both drills suitable for DIY home projects?
Yes, both are capable, but the ATOMIC is more lightweight and ideal for light to medium tasks, while FLEXVOLT handles tougher jobs.
Do both drills include batteries and chargers?
The FLEXVOLT set includes a 2.0 Ah battery and charger, while the ATOMIC set includes two 1.3 Ah batteries and a charger, making both ready to use out of the box.
Which drill is more compact?
The ATOMIC is slightly more compact and lightweight, making it easier to maneuver in tight spaces.
Finding Your Perfect Drill Match
Ultimately, your choice depends on your workload. If you frequently tackle heavy-duty projects and need maximum power, the FLEXVOLT is the clear winner. For lighter, everyday tasks around the house, the ATOMIC provides excellent performance in a more compact, budget-friendly package. Both drills are reliable choices from DEWALT, ensuring quality and durability whichever you pick.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.