
DEWALT DCD996B
Score: 92/100
DEWALT DCD777B
Score: 78/100Rankings

The DEWALT DCD996B is a compact, brushless 20V MAX XR hammer drill driver designed for heavy-duty performance in confined spaces. It features a 1/2-inch metal ratcheting chuck and an integrated hammer mode, offering up to 40% more power than previous models. While the tool-only design requires separate battery purchases, its robust build and professional-grade torque make it a preferred choice for contractors.

The DeWalt DCD777B is a compact, lightweight 20V MAX brushless cordless drill/driver designed for versatility in DIY and professional applications. It features a 340 UWO power output and a ratcheting chuck, making it suitable for drilling and driving tasks in tight spaces. While it offers good portability and runtime, the lower max RPM and plastic chuck are notable trade-offs for heavy-duty users.
| Attribute | ![]() | ![]() |
|---|---|---|
20 Vbest | 20 Vbest | |
2,100 in-lbsbest | 530 in-lbs | |
0.5 inbest | 0.5 inbest | |
| ↓ lower better | 1.81 kg | 1.13 kgbest |
2,000 RPMbest | 1,600 RPM | |
— | 15 positionsbest | |
3 speedsbest | 2 speeds | |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(4) | ||
Max Torque (in-lbs) | 2100 in-lbs | 530 in-lbs |
No-Load Speed (RPM) | 2000 RPM | 1600 RPM |
Clutch Settings (positions) | positions | 15 positions |
Speed Settings (speeds) | 3 speeds | 2 speeds |
Battery & Runtime(1) | ||
Battery Type | Lithium Ion | Lithium-Ion |
Design & Ergonomics(3) | ||
Weight (kg) | 1.81 kg | 1.13 kg |
Chuck Type | Metal Ratcheting | Plastic Ratcheting |
Overall Length (in) | 4.0 in | 7.52 in |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the DCD996B for delivering top-tier performance, robust kickback control, and exceptional compactness. Experts highlight the brushless motor's efficiency and the utility of the hammer mode for masonry.
Everyday users and contractors report high satisfaction with the drill's power and reliability for heavy-duty tasks. Common praise includes the ease of use in tight spaces and the extended runtime provided by the brushless motor.

Professional reviewers acknowledge the DCD777B as a solid, well-built unit with good ergonomic design. However, the primary limitation cited is the maximum RPM of 1,600, which falls short of competitors, along with concerns about the plastic ratcheting chuck's durability.
Users maintain a generally positive reception, praising portability and ergonomic balance. Common concerns include the limited RPM and worries about the plastic chuck's durability under heavy use.

