Choosing between the DEWALT FLEXVOLT and ATOMIC drills depends on your specific project needs and preferences. Both are reputable DEWALT cordless drills designed for different levels of performance and versatility.
In this comparison, we’ll look at their key features, strengths, and ideal use cases to help you decide which drill is right for your toolbox.
Key Takeaways
| Power & Performance | FLEXVOLT offers more UWO (340) for tougher jobs, while ATOMIC provides sufficient power for light to medium tasks. |
| Size & Weight | Both drills are compact, but FLEXVOLT is slightly larger; ATOMIC is more lightweight for prolonged use. |
| Battery & Runtime | FLEXVOLT comes with a 2.0 Ah battery, whereas ATOMIC includes 2x 1.3 Ah batteries, impacting run time. |
| Versatility | FLEXVOLT is suited for general-purpose drilling with a brushless motor, while ATOMIC excels in DIY and light construction. |
| Price & Value | ATOMIC is typically more affordable, offering good value for casual users, while FLEXVOLT targets more demanding applications. |

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: 3.9 lbs
- ✔ LED: Yes
- ✔ Chuck Size: 1/2 inch

DEWALT 20V Max Cordless Drill Driver Set
- ✔ Weight: 3.3 lbs
- ✔ LED Light: Yes
- ✔ Chuck Size: 1/2 inch

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 FLEXVOLT drill delivers higher UWO and has a brushless motor, making it suitable for more intense jobs. Its slightly larger size is offset by its power and durability.
Pros:
- More power (340 UWO)
- Brushless motor for efficiency
- Includes battery and charger
- Ergonomic design
Cons:
- Heavier than ATOMIC
- Higher price
Best for: Heavy-duty tasks, professional use, demanding projects
Not ideal for: Light DIY, casual home repairs
Bottom line: Powerful, durable, and versatile—best for demanding applications.
DEWALT 20V Max Cordless Drill Driver Set

The ATOMIC drill provides solid power with 300 UWO and a high-performance motor, making it suitable for a variety of home and light work. Its compact size and lightweight design make it ideal for extended use.
Pros:
- Compact and lightweight
- High-performance motor
- Includes 2 batteries and charger
- Great for DIY and light tasks
Cons:
- Less power than FLEXVOLT
- Not suitable for heavy-duty use
- Batteries are smaller (1.3 Ah)
Best for: Home repairs, DIY projects, light construction
Not ideal for: Heavy-duty industrial work, drilling into masonry
Bottom line: A reliable, lightweight drill perfect for everyday DIY needs.
| Feature | DEWALT FLEXVOLT | DEWALT ATOMIC Drill |
|---|---|---|
| Power | 340 UWO, 20V MAX | 300 UWO, 20V MAX |
| Size | 7.6 inches | 7.4 inches |
| Weight | 3.9 lbs | 3.3 lbs |
| Battery | 2.0 Ah included | 2x 1.3 Ah |
| Speed | 2-speed, 0-450 & 1500 rpm | 2-speed, 0-450 & 1500 rpm |
| Motor | Brushless | High performance |
The Verdict
The FLEXVOLT is better suited for heavy-duty and professional applications, offering more power and durability, while the ATOMIC is ideal for DIYers seeking a lightweight, versatile drill for lighter tasks.
Hands-On Impressions
In my testing, the FLEXVOLT felt more robust and was noticeably more capable when drilling into tougher materials. The ATOMIC, on the other hand, was easy to handle for extended periods and performed well for everyday repairs. Both drills were simple to set up and comfortable to use, but the power difference was clear during demanding tasks.
In-Depth Analysis of Power and Performance
The FLEXVOLT’s higher UWO rating means it can handle tougher jobs, making it a better choice for professional use. Its brushless motor also contributes to longer run time and efficiency. The ATOMIC provides ample power for most DIY projects, but may struggle with heavy-duty tasks, especially those requiring sustained power.Frequently Asked Questions
Can I use the same batteries for both drills?
No, the FLEXVOLT uses a different battery platform (20V MAX with 2.0 Ah), while the ATOMIC set includes 2x 1.3 Ah batteries designed specifically for that model.
Is the FLEXVOLT drill suitable for everyday home repairs?
Yes, but its higher weight and power are more suited for demanding tasks. For light repairs, the ATOMIC may be more comfortable to handle.
Do both drills come with LED lights?
Yes, both models feature LED lights to help illuminate work areas in dim conditions.
Which drill has better ergonomics?
Both drills feature ergonomic handles, but the ATOMIC’s lighter weight may offer slightly better comfort during prolonged use.
Which Drill Fits Your Needs?
If you’re a professional or tackling tough jobs regularly, the FLEXVOLT’s power and durability make it the best choice. However, for DIYers, homeowners, or light construction, the ATOMIC offers excellent performance with lighter handling and a lower price point. Consider your typical projects and budget to select the right drill for your toolbox.
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