AOBEN 21V Cordless Impact Wrench, 400N.m Max vs Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20
Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on battery life and power, Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20 wins on weight.
The AOBEN 21V Cordless Impact Wrench offers superior torque and value for money, making it the better choice for general users. The Milwaukee Right Angle Impact Wrench is more suited for heavy-duty tasks in tight spaces.
Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better
Price
AOBEN is $123 cheaper than Milwaukee
Torque
AOBEN has a maximum torque of 400N.m
Accessories
AOBEN includes 6 driver sockets and a tool bag
Why Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20 is better
Durability
Milwaukee is made from hardened steel
Compact Design
Milwaukee's right angle design is better for tight spaces
Brand Reputation
Milwaukee is known for heavy-duty tools
Overall score
Specifications
| Spec | AOBEN 21V Cordless Impact Wrench, 400N.m Max | Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20 |
|---|---|---|
| Max Torque | 400N.m | 220 ft-lbs |
| Speed | 3000rpm | N/A |
| Battery Type | 4.0Ah Li-ion | M12 FUEL Lithium-Ion |
| Weight | Lightweight | 2.83 lbs |
| Durability | Standard | Hardened Steel |
Dimension comparison
Overview of the AOBEN 21V Cordless Impact Wrench and Milwaukee Right Angle Impact Wrench
The AOBEN 21V Cordless Impact Wrench is priced at $53.99, making it significantly more budget-friendly compared to the Milwaukee Right Angle Impact Wrench, which retails at $176.98. With a price difference of $123.00, the AOBEN tool is about 70% cheaper, making it an attractive option for those seeking value without compromising on performance.
Power and Performance
In terms of power, the AOBEN 21V Cordless Impact Wrench boasts a maximum torque of 400N.m and a speed of 3000rpm. This impressive performance is ideal for both household tasks and light construction projects. In contrast, the Milwaukee Right Angle Impact Wrench delivers 220 ft-lbs of torque, which is suitable for heavy-duty tasks but doesn't match the AOBEN’s maximum torque. The AOBEN’s powerful engine provides more versatility for various applications, making it a better choice for users who require higher torque.
Design and Usability
The AOBEN tool is designed with user comfort in mind, featuring a lightweight build and an ergonomic soft grip handle that reduces fatigue during extended use. The Milwaukee Right Angle Impact Wrench, with its compact 3/8 inch design, is specifically engineered for maneuverability in tight spaces. While the Milwaukee is lightweight at 2.83 lbs, the AOBEN’s overall design prioritizes ease of use for a broader range of tasks, making it more versatile for various working conditions.
Battery and Charging
The AOBEN 21V Cordless Impact Wrench is equipped with a 4.0Ah Li-ion battery that is designed to provide double the power compared to standard wrenches. This allows users to work without the hassle of frequent recharging. The Milwaukee tool operates on the M12 FUEL Lithium-Ion battery, which provides reliable cordless power but does not specify its capacity. Users of the AOBEN will appreciate the assurance of longer working periods without interruptions, making it ideal for extended jobs.
Accessories and Value
The AOBEN 21V Cordless Impact Wrench comes with a complete set of accessories, including six driver sockets in various sizes and a fast charger, all for $53.99. This added value makes it a comprehensive choice for anyone looking to get started with impact wrenches. On the other hand, the Milwaukee Right Angle Impact Wrench is sold as a standalone tool without additional accessories, which might require further investment to achieve similar versatility. As a result, the AOBEN offers better value for those on a budget.
Durability and Build Quality
The Milwaukee Right Angle Impact Wrench is constructed from hardened steel, promising long-lasting performance even under heavy usage. While the AOBEN does not specify its build materials, its design focuses on user ergonomics and comfort. Users who prioritize durability may lean towards the Milwaukee tool, especially for projects that demand heavy-duty performance. However, for general household tasks, the AOBEN’s construction is likely sufficient and more than capable of handling various jobs.
Portability and Storage
The AOBEN 21V Cordless Impact Wrench is designed to be lightweight and comes with a tool bag, making it easy to transport and store. This feature is particularly beneficial for users who need to move between job sites or store their tools compactly. The Milwaukee Right Angle Impact Wrench, while also compact, does not come with a storage solution, which could be a consideration for those who value easy transport. The inclusion of a tool bag with the AOBEN adds to its practicality for everyday use.
Which should you buy?
Choosing between the AOBEN 21V Cordless Impact Wrench and the Milwaukee Right Angle Impact Wrench comes down to your specific needs and budget. If you're looking for a powerful, versatile tool that offers excellent value for money, the AOBEN is clearly the better choice at $53.99. It provides superior torque, includes essential accessories, and ensures usability across various tasks. Conversely, if you require a durable tool for heavy-duty applications in tight spaces and are willing to invest more money, the Milwaukee might be the right fit, albeit at a higher price point of $176.98. Ultimately, the AOBEN offers a more well-rounded package for everyday users, while the Milwaukee caters to those with specialized needs.

