AVID POWER Angle Grinder 4-1/ vs DongCheng 9.2 Amp Power Angle Grinders, 4-1/2 in.,
Updated July 2026 — AVID POWER Angle Grinder 4-1/ wins on handle, DongCheng 9.2 Amp Power Angle Grinders, 4-1/2 in., wins on speed and price.
The DongCheng Angle Grinder offers superior power and features, making it the better choice for heavy-duty tasks.
Why AVID POWER Angle Grinder 4-1/ is better
Price
AVID POWER is cheaper at $42.99.
Weight
AVID POWER is lighter at 3.20 lbs.
Ease of Use
AVID POWER has a simpler guard adjustment.
Why DongCheng 9.2 Amp Power Angle Grinders, 4-1/2 in., is better
Power
DongCheng has a 9.2 Amp motor.
Speed
DongCheng operates at 11,800 RPM.
Accessories
DongCheng includes more accessories.
Overall score
Specifications
| Spec | AVID POWER Angle Grinder 4-1/ | DongCheng 9.2 Amp Power Angle Grinders, 4-1/2 in., |
|---|---|---|
| Motor | Brushed | Copper |
| RPM | 11500 | 11800 |
| Guard Type | Screw-on | Tool-free |
| Switch Type | Standard | Paddle |
| Wheels Included | 2 Cutting, 2 Grinding | 2 Cutting, 2 Grinding, 2 Flap |
Dimension comparison
Overview of the Angle Grinders
When comparing the AVID POWER Angle Grinder and the DongCheng Angle Grinder, it’s evident that both tools cater to the needs of DIY enthusiasts and professionals alike. The AVID POWER is priced at $42.99, while the DongCheng comes in at $47.99, making the AVID POWER about 10% cheaper. Each grinder offers unique features that may appeal to different user preferences and project requirements.
Power and Performance
The AVID POWER Angle Grinder features a 6.5 Amp motor with a maximum output of 750W, delivering a no-load speed of 11,500 RPM. This performance is suitable for light-duty home projects, providing a balance of power and control. In contrast, the DongCheng boasts a more robust 9.2 Amp copper motor that operates at 11,800 RPM. This increased power and speed make it better suited for heavier applications, such as cutting and grinding tougher materials. Users seeking higher performance may prefer the DongCheng for its superior power specifications.
Design and Usability
In terms of design, the AVID POWER weighs only 3.20 lbs, making it lightweight and easy to handle for extended periods. Its 2-position side handle allows for versatile grip options, catering to both left and right-handed users. The DongCheng, on the other hand, is slightly heavier at 4.2 lbs but features a compact grip design and a shock-proof handle that helps reduce vibration. The inclusion of a no-lock paddle switch in the DongCheng enhances safety by preventing accidental starts, which could be a crucial feature for users concerned about safety during operation.
Included Accessories
The accessories provided with each grinder vary significantly. The AVID POWER includes two cutting wheels and two grinding wheels, which offer essential tools for basic grinding and cutting tasks. However, the DongCheng comes with a more comprehensive set that includes two grinding wheels, two flap discs, two cutting discs, and various other components such as a safety guard and a pair of auto-stop carbon brushes. This additional value enhances the DongCheng’s appeal to users looking for a complete package right out of the box.
Durability and Reliability
Both grinders are designed with durability in mind, but they approach it differently. The AVID POWER is equipped with a brushed motor that allows for the easy replacement of carbon brushes, extending its service life. Users can readily find replacement parts, which can be a convenience in maintaining the tool. The DongCheng, however, is built with heat-treated gears and an air vent design that facilitates effective heat dissipation and dust-proofing, contributing to its overall longevity. For users who prioritize durability, the DongCheng may be the more reliable choice over time.
Safety Features
Safety is a critical consideration in power tools, and both grinders come with features aimed at protecting users. The AVID POWER has a screw-on guard that can be adjusted for angle, but it requires a screwdriver, which is not included, for adjustments. The DongCheng's tool-free guard offers 360° rotation for quick adjustments, making it more user-friendly in this regard. Additionally, the no-lock paddle switch in the DongCheng further enhances user safety by preventing accidental starts, which could be a determining factor for safety-conscious buyers.
Pricing Comparison
When it comes to pricing, the AVID POWER Angle Grinder is priced at $42.99, making it a cost-effective option for those on a budget or those who require a grinder for lighter tasks. The DongCheng, priced at $47.99, is about 12% more expensive than the AVID POWER. While the price difference may seem minimal, the added features and power of the DongCheng could justify its higher cost for users who need a more robust tool for extensive projects.
Which should you buy?
Ultimately, the choice between the AVID POWER Angle Grinder and the DongCheng Angle Grinder depends largely on your specific needs. The AVID POWER offers a budget-friendly option with sufficient power for light-duty tasks, making it ideal for home projects. Conversely, the DongCheng provides enhanced performance, safety features, and a more extensive accessory package, making it better suited for heavier applications. If you prioritize power and versatility, the DongCheng may be the way to go, while the AVID POWER is a solid choice for casual users looking for a dependable grinder at a lower price.

