DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, vs GALAX PRO Electric Angle Grinder,Equipped with 4.0
Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, wins on power and safety, GALAX PRO Electric Angle Grinder,Equipped with 4.0 wins on price and speed.
The DEWALT FLEXVOLT ADVANTAGE offers superior power and advanced features, making it ideal for heavy-duty tasks, while the GALAX PRO is a budget-friendly option for lighter use.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better
Power
DEWALT delivers 1,550 max watts compared to GALAX PRO's 520W.
Safety Features
DEWALT includes advanced safety technologies like Kickback Brake.
Battery Compatibility
DEWALT is compatible with all 20V MAX* and FLEXVOLT batteries.
Why GALAX PRO Electric Angle Grinder,Equipped with 4.0 is better
Price
GALAX PRO is significantly cheaper at $39.99.
Weight
GALAX PRO is lighter, making it easier to handle for extended periods.
Speed
GALAX PRO operates at a higher speed of 12,000 RPM.
Overall score
Specifications
| Spec | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, | GALAX PRO Electric Angle Grinder,Equipped with 4.0 |
|---|---|---|
| Motor Power | 1550W | 520W |
| RPM | 9000 | 12000 |
| Battery Type | 20V MAX* | Corded |
| Safety Features | Kickback Brake | Spindle Lock |
| Weight | 5.6 lbs | 4.5 lbs |
Dimension comparison
Overview of the Products
The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the GALAX PRO Electric Angle Grinder cater to different needs and budgets in the angle grinder market. Priced at $144.50, the DEWALT model is designed for heavy-duty tasks and boasts advanced features, while the GALAX PRO offers a more budget-friendly option at $39.99, targeting light to moderate use.
Power and Performance
When it comes to power, the DEWALT FLEXVOLT ADVANTAGE stands out significantly with its brushless motor that delivers 1,550 max watts out and operates at up to 9,000 RPM. This model offers up to 54% more power when paired with compatible FLEXVOLT batteries, making it a top choice for demanding applications. In contrast, the GALAX PRO Electric Angle Grinder, equipped with a 4.0 Amps motor and 520W max output power, reaches a speed of 12,000 RPM. While the GALAX PRO is effective for general tasks like cutting and polishing, it may not match the heavy-duty performance of the DEWALT, which is ideal for professionals.
Safety Features
Safety is crucial in power tools, and both grinders have unique safety features. The DEWALT model includes a Kickback Brake that engages with maximum force to stop the wheel quickly in case of a bind-up, along with an E-CLUTCH system that shuts down the motor in less than a tenth of a second during a stall. On the other hand, the GALAX PRO features a spindle lock and a protective cover to safeguard against sparks and metal fragments during operation. While both tools prioritize user safety, the DEWALT offers advanced safety technologies suited for more demanding conditions.
Usability and Comfort
User comfort is another important factor when choosing an angle grinder. The DEWALT FLEXVOLT ADVANTAGE has a paddle switch design, which enhances user control and comfort during operation. Additionally, it is compatible with DEWALT's Tool Connect Chip for convenient asset management. The GALAX PRO focuses on stability and comfort with its auxiliary handle, which improves control during cutting and grinding tasks. Both models aim to provide a comfortable and efficient user experience, but the DEWALT may offer a slight edge for prolonged usage due to its advanced design and functionalities.
Versatility
In terms of versatility, the DEWALT grinder is compatible with all DEWALT 20V MAX* and FLEXVOLT batteries, enhancing its usability across various applications. This flexibility allows users to switch between different tools easily, making it a great addition to any tool collection. The GALAX PRO is designed for a range of applications, including wood cutting, derusting, and metal polishing, which makes it suitable for general household tasks. However, if you require a tool that can adapt to different situations and battery systems, the DEWALT model offers superior versatility.
Price Comparison
The price difference between the two angle grinders is significant, with the DEWALT FLEXVOLT ADVANTAGE priced at $144.50, while the GALAX PRO is much more economical at $39.99. This makes the GALAX PRO about 72% cheaper than its DEWALT counterpart. However, the price tag of the DEWALT reflects its advanced features, higher power output, and enhanced safety mechanisms, which may justify the investment for professional users or those with more demanding tasks.
Brand Reputation and Sales Rank
Brand reputation can influence your choice, and DEWALT is a well-established name in the power tool industry known for its durability and performance. The DEWALT FLEXVOLT ADVANTAGE holds a sales rank of 14,755, indicating its popularity among consumers. In comparison, the GALAX PRO has a sales rank of 62,666, which suggests it is less favored in the market. While both brands have their merits, DEWALT's reputation for quality could sway users towards its product, particularly for professional use.
Which should you buy?
Choosing between the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the GALAX PRO Electric Angle Grinder depends on your specific needs and budget. If you require a powerful, versatile tool for heavy-duty tasks and are willing to invest more, the DEWALT model is the clear winner with its exceptional performance and advanced safety features. However, if you are looking for an affordable option for light to moderate use, the GALAX PRO provides good value for its price. Ultimately, your choice should align with the frequency and intensity of your intended projects.

