DEWALT Angle Grinder, 4. vs DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder,
Updated July 2026 — DEWALT Angle Grinder, 4. wins on rpm, DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, wins on price and power.
The DEWALT FLEXVOLT ADVANTAGE offers superior power and safety features, making it the better choice for demanding tasks.
Why DEWALT Angle Grinder, 4. is better
Price
DEWALT Angle Grinder is $94.00, more affordable.
RPM
DEWALT Angle Grinder achieves 11,000 rpm.
Weight
DEWALT Angle Grinder is lighter and more compact.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better
Power
FLEXVOLT ADVANTAGE delivers up to 54% more power.
Safety
FLEXVOLT ADVANTAGE includes Kickback Brake.
Battery Compatibility
FLEXVOLT ADVANTAGE works with all DEWALT 20V MAX* batteries.
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 4. | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, |
|---|---|---|
| Motor Type | AC/DC | Brushless |
| Max Watts | N/A | 1550 |
| E-CLUTCH | No | Yes |
| Dust Ejection | Yes | No |
| Warranty | 3 Years | N/A |
Dimension comparison
Overview of the DEWALT Angle Grinder Models
When comparing the DEWALT Angle Grinder and the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, it's essential to consider their key features and pricing. The DEWALT Angle Grinder is priced at $94.00, while the DEWALT FLEXVOLT ADVANTAGE model comes in at $144.50, making it about 54% more expensive. Despite the price difference, each model offers unique features catering to different user needs.
Power and Performance
In terms of power, the DEWALT FLEXVOLT ADVANTAGE model stands out with its ability to deliver up to 54% more power when paired with FLEXVOLT batteries compared to standard 20V MAX* batteries. This enhanced performance is crucial for heavy-duty tasks, as it utilizes a brushless motor that provides a maximum of 1,550 watts and can reach speeds of up to 9,000 rpm. On the other hand, the DEWALT Angle Grinder features an 11 amp motor that achieves 11,000 rpm, making it effective for various grinding applications, but without the additional power boost that the FLEXVOLT model offers.
Design and Ergonomics
When it comes to design and ergonomics, both models are engineered for user comfort, but they differ in approach. The DEWALT Angle Grinder is known for its uniquely small gripping surface and newly designed side handle, which provide excellent comfort during prolonged use. The FLEXVOLT ADVANTAGE model, while slightly bulkier, incorporates features like a Kickback Brake that enhances safety by stopping the wheel quickly in case of a bind-up. This additional safety feature can be a significant advantage for users who prioritize safety while working.
Durability and Maintenance
Both grinders showcase durability, but they employ different systems to enhance longevity. The DEWALT Angle Grinder includes a Dust Ejection System, which effectively prevents damaging dust and debris from entering the tool, thus extending its life. Additionally, it features oversized brushes that provide double the lifespan compared to its predecessor. Conversely, the FLEXVOLT ADVANTAGE model boasts an E-CLUTCH system that shuts down the motor within a tenth of a second when a stall is detected, preventing potential damage during operation. Each model has its strengths in durability, appealing to users with different operational priorities.
Safety Features
Safety is paramount in power tools, and both grinders are equipped with features aimed at protecting the user. The DEWALT Angle Grinder has a paddle switch with a safety lock-off to prevent accidental start-ups, a crucial consideration for any tool user. Meanwhile, the FLEXVOLT ADVANTAGE grinder includes advanced safety features such as a Kickback Brake and E-Switch Protection, which requires the trigger switch to be cycled after a power outage, ensuring that the tool doesn’t start unexpectedly. The additional safety mechanisms in the FLEXVOLT model may appeal more to professionals working in high-risk environments.
Versatility and Compatibility
Versatility is another area where these two grinders differ. The DEWALT Angle Grinder can accept common accessories thanks to its matching wheel flanges, making it versatile for various tasks. In contrast, the FLEXVOLT ADVANTAGE model is compatible with all DEWALT 20V MAX* and FLEXVOLT batteries, allowing users to switch between batteries based on their needs. This compatibility can be particularly beneficial for those who already own other DEWALT cordless tools, enhancing the overall value of the FLEXVOLT model.
Price Comparison
In terms of pricing, the DEWALT Angle Grinder is clearly the more budget-friendly option at $94.00, whereas the FLEXVOLT ADVANTAGE model is priced at $144.50, representing a significant increase of about 54%. This price difference may influence purchasing decisions based on budget constraints. However, potential buyers must weigh the additional features and enhanced power of the FLEXVOLT model against the more economical choice of the DEWALT Angle Grinder.
Which should you buy?
Ultimately, choosing between the DEWALT Angle Grinder and the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder depends on your specific needs and budget. If you are looking for a reliable, straightforward grinder for general tasks, the DEWALT Angle Grinder at $94.00 is an excellent choice, especially with its high RPM and dust ejection system. However, if you require increased power, safety features, and versatility, the DEWALT FLEXVOLT ADVANTAGE model—despite its higher price of $144.50—offers significant benefits that may justify the investment. Each tool has its merits, making your decision ultimately reliant on your individual requirements and work conditions.

