DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM vs Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled
Updated July 2026 — DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM wins on features and power, Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled wins on portability and price.
The DEWALT Angle Grinder excels in power and durability, making it ideal for heavy-duty tasks, while the Ryobi offers portability and affordability for lighter applications.
Why DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM is better
Power
DEWALT has a 13 Amp motor with 8,000 RPM.
Durability
DEWALT features sealed bearings for longevity.
Features
DEWALT includes an adjustable guard and spindle lock.
Why Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled is better
Price
Ryobi is significantly cheaper at $62.29.
Portability
Ryobi is cordless, enhancing mobility.
Weight
Ryobi is likely lighter, making it easier to handle.
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM | Ryobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled |
|---|---|---|
| Motor | 13 Amp | Not specified |
| RPM | 8,000 | Not specified |
| Corded/Cordless | Corded | Cordless |
| Weight | Not specified | Not specified |
| Sales Rank | 60,043 | 20,989 |
Dimension comparison
Overview
In this comparison, we will look at the DEWALT Angle Grinder and the Ryobi R18AG-0 One+ Cordless Angle Grinder. The DEWALT model is a powerful corded tool priced at $166.02, while the Ryobi is a more budget-friendly cordless option at $62.29. The significant price difference of about 63% raises the question of which tool is better suited for your needs.
Power and Performance
The DEWALT Angle Grinder boasts a robust 13 Amp motor that delivers an impressive 8,000 RPM. This powerful performance makes it ideal for heavy-duty metal grinding and cutting applications. In contrast, the Ryobi R18AG-0 is designed for lighter tasks, aligning with its cordless capabilities. While it is not specified how fast the Ryobi spins, it is essential to recognize that the DEWALT's higher RPM and consistent power output make it better suited for demanding projects.
Portability
The Ryobi R18AG-0 has the advantage of being cordless, enhancing its portability. This feature allows users to work in locations without easy access to power outlets, making it a convenient option for outdoor tasks. On the other hand, the DEWALT Angle Grinder is corded, which can limit mobility due to the need for an electrical source. However, the DEWALT's consistent power can be a significant advantage in environments where heavy usage is expected.
User Comfort
User comfort is a critical factor when choosing a grinder. The DEWALT Angle Grinder features a rear-handle grip area designed to provide better control and comfort during use. It also includes a two-position side handle for optimal control. While the Ryobi's ergonomic design is not detailed, the lack of weight specifications may suggest it is lighter than the DEWALT. However, without specific comfort features highlighted, the DEWALT may offer a more user-friendly experience during prolonged use.
Features and Functionality
The DEWALT Angle Grinder includes a range of features that enhance its functionality. The adjustable keyless guard allows users to redirect sparks away from their face, which is a safety benefit. Additionally, its spindle lock facilitates quick wheel changes, making it efficient for various tasks. The Ryobi R18AG-0, while labeled as a cordless angle grinder, lacks detailed features in its description, suggesting it may not offer the same level of versatility as the DEWALT.
Maintenance and Durability
When it comes to maintenance and durability, the DEWALT Angle Grinder has sealed ball and roller bearings that help prevent debris from entering, which can extend the tool's lifespan. External brush doors provide easy access during servicing, making it simpler to maintain. The Ryobi R18AG-0's durability is not specifically mentioned, which may raise concerns about its long-term performance under heavy use. Based on the available information, the DEWALT is likely the more durable option.
Price Comparison
The DEWALT Angle Grinder is priced at $166.02, while the Ryobi R18AG-0 comes in at a significantly lower price of $62.29. This represents a price difference of about 63%, making the Ryobi a more budget-friendly choice. However, it's crucial to consider whether the lower price of the Ryobi translates to lower performance or fewer features. If you're looking for a basic tool for light tasks, the Ryobi could be a great fit. For those requiring a more robust tool, the DEWALT may justify its higher price.
Sales Rank and Popularity
The DEWALT Angle Grinder holds a sales rank of 60,043, while the Ryobi R18AG-0 is significantly higher at 20,989. This difference in rank suggests that the Ryobi might be more popular among consumers, possibly due to its lower price point and suitability for casual users. However, popularity does not always equate to quality, so potential buyers should consider what they specifically need from an angle grinder.
Which should you buy?
In conclusion, the choice between the DEWALT Angle Grinder and the Ryobi R18AG-0 One+ Cordless Angle Grinder largely depends on your specific needs and usage scenarios. The DEWALT offers superior power, durability, and features, making it ideal for heavy-duty applications. However, it comes at a significantly higher price. Conversely, the Ryobi is a more affordable option, perfect for lighter tasks and greater portability. Ultimately, if you require a reliable tool for intense work, the DEWALT is the way to go, while the Ryobi suits those who prioritize budget and convenience.

