Choosing the right cordless drill can be challenging with so many options on the market. Today, we’ll compare two popular DEWALT models: the compact DEWALT ATOMIC Drill and the more advanced DEWALT Brushless Drill. Both are designed for tight spaces and versatile use, but they differ in features and performance.
Understanding their specifications, strengths, and limitations will help you decide which fits your projects best. Whether you’re a DIYer or a professional, this comparison aims to give you a clear picture of what each drill offers.
Key Takeaways
| Design & Size | Both drills are compact, measuring 7.6 inches front-to-back, ideal for tight spaces. |
| Power & Performance | The brushless motor of the B model offers more run time and efficiency. |
| Features | Both include LED lights; the ATOMIC has a 2-speed transmission, while the B model features a quick-release hex chuck. |
| Battery & Runtime | The B kit includes two batteries, providing longer use; the ATOMIC has a 2.0 Ah battery. |
| Best For | Ideal for general drilling and fastening in tight spaces, with the B model better suited for demanding tasks. |

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
- ✔ Included Batteries: 1
- ✔ LED Light: Yes
- ✔ Warranty: 3 years

DEWALT 20V MAX Cordless Drill and Impact Driver
- ✔ Included Batteries: 2
- ✔ LED Light: Yes
- ✔ Warranty: 3 years

DEWALT 20V MAX Cordless Drill and Impact Driver, Power Drill Brushless 2-Tool Power Tool Combo Kit, Includes 2 Batteries, Charger and Bag (DCK277D2)
The compact 7.6-inch front-to-back, lightweight design fits into tight areas, making it an ideal choice for a power...
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DEWALT ATOMIC Drill vs DEWALT Brushless Drill: Full Breakdown
DEWALT 20V MAX Cordless Drill Driver Set

The DEWALT ATOMIC Drill features a brushless motor that delivers longer runtime and durability. Its lightweight design makes it perfect for quick jobs and tight spots. While less powerful than the B model, it offers excellent value for everyday projects.
Pros:
- Lightweight and compact
- Brushless motor for efficiency
- LED work light
- Two-speed transmission
Cons:
- Lower battery capacity (2.0 Ah)
- No impact driver included
- Limited to drilling and fastening
Best for: DIY projects, light to medium tasks, and tight space work
Not ideal for: Heavy-duty applications or prolonged use requiring more power
Bottom line: A lightweight, efficient drill perfect for most household tasks.
DEWALT 20V MAX Cordless Drill and Impact Driver

The DEWALT Brushless Drill and Impact Driver combo offers more power and flexibility. Its quick-release hex chuck and two batteries make it suitable for a broader range of tasks, from drilling to impact driving. The brushless motor ensures longer runtime and durability for frequent use.
Pros:
- Includes impact driver
- Two batteries for extended use
- Quick-release hex chuck
- Brushless motor for efficiency
Cons:
- Slightly heavier
- More expensive
- Bulkier than the ATOMIC
Best for: Professional use, demanding DIY projects, and varied applications
Not ideal for: Light, occasional tasks where minimal weight is preferred
Bottom line: A versatile, powerful combo kit suited for frequent, demanding work.
| Feature | DEWALT ATOMIC Drill | DEWALT Brushless Drill |
|---|---|---|
| Power Type | Brushless motor, efficient and long-lasting | Brushless motor, durable and powerful |
| Included Tools | Drill only | Drill and impact driver |
| Battery Capacity | 2.0 Ah | 2 x 2.0 Ah |
| Chuck Type | Single-sleeve ratcheting chuck | Quick-release hex chuck |
| Weight | 3.4 lbs | 4.1 lbs |
| Best For | Light to medium tasks | Versatile and demanding projects |
The Verdict
If you’re looking for a lightweight, budget-friendly drill for household tasks, the DEWALT ATOMIC is a great choice. For those needing more power, versatility, and a combo kit, the DEWALT Brushless Drill and Impact Driver set is the better investment.
Hands-On Impressions
In my testing, I found the ATOMIC drill surprisingly capable for its size, easily handling drilling into wood and fastening tasks. The brushless model felt more robust, with longer battery life and smooth operation, especially during extended use. Both were easy to handle, but the impact driver added extra convenience for tougher jobs.
Performance and Power
The brushless motor in the B model provides more consistent power and longer runtime, making it suitable for more demanding tasks. The ATOMIC, while efficient, is best for lighter work but still delivers solid results thanks to its brushless motor.Frequently Asked Questions
Which drill is better for heavy-duty tasks?
The DEWALT Brushless Drill and Impact Driver set is better suited for heavy-duty applications due to its more powerful motor and included impact driver.
Can I use the batteries interchangeably?
Yes, both drills use 20V MAX batteries, so you can swap batteries between them if you have compatible packs.
Is the impact driver included in the ATOMIC set?
No, the ATOMIC set features only the drill. The combo set with impact driver is available separately.
Which drill is easier to handle for prolonged use?
The DEWALT ATOMIC drill is lighter and more compact, making it easier to handle for extended periods, especially in tight spaces.
Which DEWALT Drill Fits Your Needs?
Choosing between these two drills depends on your project scope. If you need a lightweight, reliable drill for occasional use, the DEWALT ATOMIC offers excellent value and portability. For more demanding tasks, a versatile tool set with a brushless motor provides greater power and efficiency, making the DEWALT Brushless Drill and Impact Driver the ideal choice for professionals and serious DIYers.
Assess your typical projects and budget to decide which model aligns best with your needs, but rest assured, both deliver DEWALT’s quality and innovation.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.