AOBEN 21V Cordless Impact Wrench, 400N.m Max vs DEWALT 20V MAX Cordless Impact Wrench, 1/2' Hog Ring
Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on price and battery, DEWALT 20V MAX Cordless Impact Wrench, 1/2' Hog Ring wins on speed and power.
The AOBEN 21V Cordless Impact Wrench offers great value for budget-conscious consumers, while the DEWALT 20V MAX excels in power and features for professionals.
Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better
Price
AOBEN is significantly cheaper at $53.99.
Battery
AOBEN includes a 4.0Ah battery and charger.
Weight
AOBEN is designed to be lightweight and ergonomic.
Why DEWALT 20V MAX Cordless Impact Wrench, 1/2' Hog Ring is better
Power
DEWALT has a max torque of 600 ft-lbs.
Speed Control
DEWALT offers four speed settings.
Brand Reputation
DEWALT has a stronger brand reputation and sales rank.
Overall score
Specifications
| Spec | AOBEN 21V Cordless Impact Wrench, 400N.m Max | DEWALT 20V MAX Cordless Impact Wrench, 1/2' Hog Ring |
|---|---|---|
| Max Torque | 400 N.m | 600 ft-lbs |
| Speed | 3000 rpm | Variable |
| Battery Included | Yes | No |
| LED Light | No | Yes |
| Weight | Lightweight | Compact |
Dimension comparison
Price Comparison
The AOBEN 21V Cordless Impact Wrench is significantly cheaper than the DEWALT 20V MAX Cordless Impact Wrench, costing $53.99 compared to DEWALT's $204.04. This makes the AOBEN product about 73% less expensive. For those on a budget or looking for a tool for occasional use, AOBEN presents a compelling option without sacrificing essential performance features. However, the DEWALT tool, with its higher price, offers advanced capabilities and a strong brand reputation, which may justify the cost for professionals or frequent users.
Power and Performance
When it comes to power, the DEWALT 20V MAX Cordless Impact Wrench outperforms the AOBEN 21V model with a maximum fastening torque of 600 ft-lbs and a breakaway torque of 800 ft-lbs. In contrast, the AOBEN provides a maximum torque of 400 N.m, which is approximately 295 ft-lbs. This substantial difference indicates that the DEWALT is better suited for heavy-duty tasks and industrial applications, making it a preferred choice for professionals who need reliable power.
Speed and Control
In terms of speed, the AOBEN reaches up to 3000 rpm, while the DEWALT offers four speed settings along with a variable speed trigger, allowing users to choose their output level based on the specific job requirements. This level of control makes the DEWALT a better option for tasks that require precision, helping to prevent overtightening and fastener run-off. The ability to adjust speed settings can be crucial in various applications, particularly in tighter spaces.
Battery Capacity and Charging
The AOBEN features a 4.0Ah Li-ion battery, which is beneficial for extended usage without interruptions, as it is designed to be fully charged in a matter of hours. Meanwhile, the DEWALT is a bare tool, meaning it does not include a battery or charger. Users must purchase these separately, which adds to the overall cost. Therefore, while the AOBEN provides a complete package with its battery and charger included, the DEWALT requires additional investment for those components, which could be a deciding factor for budget-conscious consumers.
Design and Ergonomics
Both impact wrenches are designed with user comfort in mind, but the AOBEN takes the lead with its lightweight and ergonomic features. It is designed to reduce discomfort and pressure on the hands during prolonged use, making it ideal for DIY enthusiasts and homeowners. The DEWALT, while compact and lightweight, may not offer the same level of comfort over extended periods. Therefore, if ease of use is a top priority, the AOBEN could be the better choice.
Additional Features
The DEWALT comes equipped with an LED work light and a belt clip, enhancing its usability in dark or confined spaces. This feature can significantly aid in visibility and accessibility during tasks. On the other hand, while the AOBEN does not mention a similar built-in light, it includes six driver sockets for versatile use right out of the box. Depending on the user's specific needs, these additional features might sway the decision towards DEWALT for those who often work in low-light conditions.
Brand Reputation and Sales Rank
DEWALT has a stronger brand reputation and a higher sales rank (13,923) compared to AOBEN (46,178). This suggests that the DEWALT model is more popular among consumers and may provide a level of trust and reliability that some buyers prioritize. While the AOBEN offers great value, the DEWALT's established reputation could make it a more attractive option for those who want assurance in their purchase.
Which should you buy?
Choosing between the AOBEN 21V Cordless Impact Wrench and the DEWALT 20V MAX Cordless Impact Wrench ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution for lighter tasks, the AOBEN provides excellent value at $53.99. However, if you require a more powerful tool for heavy-duty applications and are willing to invest more, the DEWALT, with its higher performance and superior features, is likely the better option. Consider how you plan to use the tool and what features matter most to you before making a decision.

