Choosing between the DEWALT ATOMIC Drill and the DEWALT Brushless Drill can be challenging, as both are compact, powerful, and designed for tight spaces. Understanding their differences in features, performance, and ideal use cases helps you make an informed decision.
In this comparison, I’ll break down their specifications, pros, cons, and what scenarios each tool excels in, so you can pick the right drill for your needs.
Key Takeaways
| Size & Weight | Both drills are 7.6 inches long and lightweight, ideal for tight spaces. |
| Power & Performance | The brushless motor in the B offers slightly more power and efficiency. |
| Features | Both include LED lights and ergonomic grips, but the B kit has impact driver included. |
| Battery & Runtime | Both use 20V MAX batteries, with the B kit including 2 batteries for extended use. |
| Best For | The A is great for general drilling; B suits those needing both drill and impact functions. |

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)
- Motor Type: Brushless motor for longer run time
- Size: Compact 7.6-inch design
- Design: Lightweight for easy handling
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At a Glance

DEWALT 20V MAX Cordless Drill Driver Set
- ✔ Size: 7.6 inches
- ✔ Battery: 2.0 Ah
- ✔ LED: Yes

DEWALT 20V MAX Cordless Drill and Impact Driver
- ✔ Size: 7.6 inches
- ✔ Batteries: 2 included
- ✔ LED: Yes
DEWALT ATOMIC Drill vs DEWALT Brushless Drill: Full Breakdown
DEWALT 20V MAX Cordless Drill Driver Set

The DEWALT 20V MAX Cordless Drill Driver Set (A) is a solid choice for those who need a reliable, lightweight drill for everyday projects. Its brushless motor offers better runtime, and the 2-speed transmission handles a variety of tasks with ease.
Pros:
- Lightweight design
- Brushless motor for efficiency
- LED for visibility
- 2-speed transmission
Cons:
- No impact driver included
- Battery life could be better under heavy use
- Limited to drilling and fastening
Best for: General-purpose drilling and fastening around the home or small projects
Not ideal for: Heavy-duty construction or impact driving tasks
Bottom line: A compact, efficient drill ideal for everyday tasks.
DEWALT 20V MAX Cordless Drill and Impact Driver

The DEWALT 20V MAX Cordless Drill and Impact Driver (B) offers a complete set with two batteries, making it suitable for a wider range of projects. Its brushless motor provides excellent efficiency, and the impact driver adds versatility for tougher fastening jobs.
Pros:
- Includes impact driver
- Two batteries for extended use
- Quick-release hex chuck
- Ergonomic grip
Cons:
- Slightly heavier than the A
- More expensive
- Requires more storage space
Best for: DIYers and professionals needing both drilling and impact driving capabilities
Not ideal for: Simple home use or light projects where impact power isn’t needed
Bottom line: A versatile kit for those requiring both drill and impact functions.
| Feature | DEWALT ATOMIC Drill | DEWALT Brushless Drill |
|---|---|---|
| Power Type | Brushless motor, efficient for extended use | Brushless motor, high efficiency and power |
| Included Tools | Drill only | Drill and impact driver |
| Batteries | 1-2.0 Ah battery | 2 batteries, 2.0 Ah each |
| Size | 7.6 inches | 7.6 inches |
| Weight | Lightweight | Slightly heavier |
| Warranty | 3 years | 3 years |
The Verdict
If you need a reliable, lightweight drill for basic tasks, the ATOMIC is ideal. For more versatility and impact driving, the Brushless kit is better suited.
Hands-On Impressions
In my testing, the ATOMIC drill proved comfortable for extended use, fitting into tight spots easily. The Brushless set felt more robust, especially with the impact driver, making heavier tasks smoother.
Deeper Analysis of Performance and Use Cases
Both drills excel in different scenarios. The ATOMIC is perfect for quick, light jobs around the house, thanks to its lightweight design and efficient brushless motor. The B kit, with its impact driver and extra batteries, shines in demanding projects requiring more power and longevity.Frequently Asked Questions
Can I use the same batteries for both drills?
Yes, both models use 20V MAX batteries, so they are interchangeable if they are the same size and capacity.
Which drill is better for tight spaces?
Both are 7.6 inches long, making them equally good for confined areas.
Is the impact driver in the B kit worth it?
Absolutely, it adds versatility for fastening tasks that require high torque.
How long does the battery last during heavy use?
With 2.0 Ah batteries, expect around 30-45 minutes of continuous work depending on the task.
Which DEWALT Drill Fits Your Needs?
If you’re after a simple, lightweight drill for general use, the DEWALT ATOMIC is a fantastic choice. However, if your projects demand more power, impact driving, and extended runtime, the DEWALT Brushless kit offers excellent value and versatility. Consider your typical tasks and choose accordingly for the best experience.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.