RhovixStar Brushless Angle Grinder Cordless, 3/ vs RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle
Updated July 2026 — RhovixStar Brushless Angle Grinder Cordless, 3/ wins on speed and kit value, RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle wins on price.
The RhovixStar Brushless Angle Grinder offers better value with more features and a lower price, making it the superior choice.
Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better
Price
RhovixStar is $1.50 cheaper than RIDGID
Speed Settings
RhovixStar has 4 adjustable speeds
Accessories
RhovixStar includes a comprehensive kit with batteries and tools
Why RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle is better
Brand Reputation
RIDGID is known for durability and reliability
Sales Rank
RIDGID has a slightly lower sales rank
Tool Only
RIDGID may appeal to users wanting a standalone tool
Overall score
Specifications
| Spec | RhovixStar Brushless Angle Grinder Cordless, 3/ | RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Max RPM | 9000 | N/A |
| Battery Packs | 2 | 0 |
| Speed Settings | 4 | 1 |
| Sales Rank | 47285 | 52955 |
Dimension comparison
Overview of RhovixStar and RIDGID Angle Grinders
The RhovixStar Brushless Angle Grinder and the RIDGID 18V Brushless Cordless Angle Grinder are both premium tools designed for cutting, grinding, and polishing. The RhovixStar is priced at $65.99, while the RIDGID comes in slightly higher at $67.49, making the RhovixStar about 2.2% cheaper. Both tools are cordless and feature brushless motors, but they have different specifications and features that cater to varying user needs.
Power and Performance
When it comes to power, both grinders are equipped with brushless motors that enhance longevity and efficiency. The RhovixStar boasts a powerful brushless motor with a maximum speed of up to 9000 RPM, providing versatility for various tasks, including metal polishing and stone carving. In contrast, the RIDGID's specifications do not detail its maximum RPM, which may suggest a focus on different performance aspects. With a sales rank of 47285 for the RhovixStar and 52955 for the RIDGID, the former appears to be a more popular choice among consumers, indicating strong performance satisfaction.
Speed Settings
The RhovixStar offers four adjustable speeds, allowing users to select the optimal setting for their specific tasks. This feature gives it an edge for those who need precise control during operations. On the other hand, the RIDGID grinder lacks variable speed options, which may limit its versatility compared to the RhovixStar. The ability to adjust speeds can significantly impact the effectiveness of the grinder in various applications.
Battery and Runtime
Battery performance is critical for cordless tools, and the RhovixStar comes with two 4.0Ah battery packs that ensure long runtime, suitable for both indoor and outdoor projects. The RIDGID model's battery specifications are not provided, which raises concerns about its runtime efficiency. The inclusion of two batteries with the RhovixStar means users can continue working without the downtime associated with recharging, giving it a clear advantage in battery management.
Design and Ergonomics
Both angle grinders are designed with user comfort in mind. The RhovixStar features an ergonomic handle that reduces wrist fatigue, making it suitable for prolonged usage. Meanwhile, the RIDGID grinder's design specifics are not highlighted, leaving some uncertainty regarding its ergonomic features. Comfort during extended use is crucial for professional and DIY users alike, and the RhovixStar's explicit focus on ergonomics may make it a more appealing option for those working on longer projects.
Accessories and Kit Contents
The RhovixStar comes with a comprehensive kit that includes not just the grinder but also two batteries, a fast charger, various wheels, and a wrench. This extensive kit represents a significant value add, ensuring users have everything they need to get started right away. In contrast, the RIDGID is sold as a tool only, without any additional accessories or batteries. For users who appreciate a complete package, the RhovixStar's offering is undeniably more attractive.
Brand Reputation and Reliability
Both brands are well-known in the power tool industry, but their reputations can influence buyer decisions. RhovixStar has focused on modern features like brushless motors and multiple speed settings, appealing to a tech-savvy audience. Meanwhile, RIDGID is recognized for its durable construction and reliability, often favored by professionals. However, the RhovixStar's better sales rank suggests a growing trust among consumers, which may indicate a rising reputation for quality and reliability.
Price Comparison
The RhovixStar is priced at $65.99, which is approximately $1.50 less than the RIDGID's $67.49. This price difference of about 2.2% may not seem significant, but it could sway budget-conscious buyers. Additionally, the RhovixStar has a lower average price over the past 90 days at $51.06, hinting at potential for even better deals. This affordability, combined with the included accessories, may make the RhovixStar a better value proposition for many users.
Which should you buy?
In conclusion, the choice between the RhovixStar Brushless Angle Grinder and the RIDGID 18V Brushless Angle Grinder depends primarily on your specific needs. The RhovixStar stands out with its lower price, variable speed settings, and comprehensive kit, making it a strong choice for versatility and value. Meanwhile, the RIDGID may attract those who prioritize brand reputation and are looking for a reliable tool without the need for extras. If you need a well-rounded, feature-rich grinder, the RhovixStar is likely the better option.

