DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ vs DEWALT Angle Grinder, 4.
Updated July 2026 — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ wins on power and weight, DEWALT Angle Grinder, 4. wins on rpm and height.
The DEWALT 20V MAX* Angle Grinder offers advanced features and portability, while the DEWALT Angle Grinder provides reliable performance at a lower price.
Why DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ is better
Advanced Safety
Kickback Brake significantly reduces injury risk.
Portability
Cordless design allows for use anywhere.
Low Maintenance
Brushless motor requires no brush changes.
Why DEWALT Angle Grinder, 4. is better
Affordability
Significantly lower price at $94.
Power
11 Amp motor provides robust performance.
Ergonomics
Compact design enhances comfort during use.
Overall score
Specifications
| Spec | DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ | DEWALT Angle Grinder, 4. |
|---|---|---|
| Motor Type | Brushless | AC/DC |
| Price | $249.00 | $94.00 |
| Safety Features | Kickback Brake | Auto-off Brushes |
| Battery Included | No | No |
| Warranty | 3 Years | 3 Years |
Dimension comparison
Overview of the Products
The DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless is a versatile and powerful tool, while the DEWALT Angle Grinder, 4.5 Inch, 11 Amp, offers a more traditional electric option. The cordless model is priced at $249.00, compared to the more budget-friendly $94.00 for the electric grinder. This significant price difference—about 64%—highlights the distinct features and uses of each grinder, catering to different user needs and preferences.
Motor Performance
The DEWALT 20V MAX* features a brushless motor that offers longevity and requires no brush changes, making it a low-maintenance option. This design enhances the motor's lifespan and efficiency, which is critical for prolonged use. In contrast, the DEWALT Angle Grinder operates with an 11 Amp AC/DC motor capable of achieving 11,000 rpm, providing robust power for demanding tasks. While the brushless motor in the cordless model may be more efficient, the electric grinder offers a high power-to-weight ratio at a significantly lower price.
Safety Features
Safety is paramount in both tools, but they approach it differently. The DEWALT 20V MAX* includes a Kickback Brake, which stops the wheel in two seconds or less, significantly mitigating the risk of injury during unexpected stalls or bind-ups. Additionally, it features E-Switch Protection to prevent accidental restarts. On the other hand, the DEWALT Angle Grinder comes with an auto-off brush system that shuts down the tool when the brushes need replacing, preventing potential damage. Both tools prioritize user safety, but the cordless model has advanced features specifically designed to reduce kickback.
Design and Ergonomics
In terms of design, the DEWALT Angle Grinder is compact and ergonomically designed for comfort during extended use. Its uniquely small gripping surface allows for better handling, while the newly designed side handle enhances ergonomics. Conversely, the DEWALT 20V MAX* is designed for portability, given its cordless nature, which adds convenience for users who work in various locations. While both grinders are designed for ease of use, the electric model excels in comfort and handling during prolonged tasks.
Convenience and Portability
Portability is a key differentiator between the two models. The DEWALT 20V MAX* is a cordless tool, allowing users to operate freely without being tethered to an electrical outlet, which is ideal for outdoor or remote work. However, this convenience comes at a higher price. The DEWALT Angle Grinder, being corded, offers consistent power without the worry of battery life but limits mobility. For those who prioritize the ability to work anywhere, the cordless model is a clear winner, while the electric grinder is best suited for stationary use.
Maintenance and Longevity
Maintenance requirements differ between the two grinders. The DEWALT 20V MAX* eliminates the need for brush changes, thanks to its brushless motor, which may lead to lower maintenance costs and effort over time. On the other hand, the DEWALT Angle Grinder features oversized brushes that provide double the lifespan compared to previous models, indicating a focus on durability. Users looking for a low-maintenance option may prefer the cordless model, while those who appreciate traditional tools with replaceable parts might find value in the electric grinder.
Price Comparison
When it comes to pricing, the DEWALT 20V MAX* Angle Grinder retails for $249.00, which is considerably higher than the $94.00 price tag of the DEWALT Angle Grinder. This price difference of approximately 64% reflects the advanced features and cordless convenience of the brushless model. While the electric grinder is much more affordable, it lacks some of the innovative safety and performance features found in the cordless model. Buyers need to weigh the cost against their specific needs and usage scenarios.
Which should you buy?
Choosing between the DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless and the DEWALT Angle Grinder, 4.5 Inch, 11 Amp, ultimately depends on your specific needs. If you require mobility, advanced safety features, and a low-maintenance tool, the cordless model is the better option, despite its higher price. However, if you are looking for a budget-friendly, reliable grinder for stationary tasks, the electric grinder offers excellent performance at a fraction of the cost. Consider your work environment and frequency of use to make the best choice for your projects.

