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Bosch GWX13-50VSP 5 In. X-LOCK Variable-Speed vs RhovixStar Brushless Angle Grinder Cordless, 3/

Updated July 2026 — Bosch GWX13-50VSP 5 In. X-LOCK Variable-Speed wins on speed and power, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on portability and value.

The Bosch GWX13-50VSP offers superior power and speed, while the RhovixStar provides excellent portability and value. Choose based on your specific needs.

Why Bosch GWX13-50VSP 5 In. X-LOCK Variable-Speed is better

Power

Bosch has a 13-amp motor vs RhovixStar's brushless motor.

Speed

Bosch reaches up to 11,500 RPM compared to RhovixStar's 9,000 RPM.

Durability

Bosch features epoxy-coated windings for extended motor life.

Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better

Portability

RhovixStar is cordless, allowing for easier maneuverability.

Accessories

RhovixStar includes a complete kit with batteries and tools.

Ergonomics

RhovixStar's design caters to both left and right-handed users.

Overall score

Bosch GWX13-50VSP 5 In. X-LOCK Variable-Speed
85
RhovixStar Brushless Angle Grinder Cordless, 3/
75

Specifications

SpecBosch GWX13-50VSP 5 In. X-LOCK Variable-SpeedRhovixStar Brushless Angle Grinder Cordless, 3/
Motor TypeCordedCordless
Max RPM11,5009,000
Variable SpeedsVariable4
Battery IncludedNoYes
Weight5.5 lbs4.0 lbs

Dimension comparison

Bosch GWX13-50VSP 5 In. X-LOCK Variable-SpeedRhovixStar Brushless Angle Grinder Cordless, 3/

Overview of the Products

The Bosch GWX13-50VSP is a powerful corded angle grinder, while the RhovixStar Brushless Angle Grinder is a versatile cordless model. The Bosch grinder is priced at $98.80, making it about 50% more expensive than the RhovixStar, which retails for $65.99. This price difference may influence buyers depending on their budget and preference for corded versus cordless tools. Both grinders target similar applications, including cutting, grinding, and polishing, but they do so with different designs and features.

Motor Performance

The Bosch GWX13-50VSP features a robust 13-amp motor that delivers speeds up to 11,500 RPM. This high power output ensures efficient performance for demanding tasks. In contrast, the RhovixStar is equipped with a brushless motor that allows for a maximum speed of 9,000 RPM. While the RhovixStar offers a reliable performance, it falls short of the Bosch in raw power, potentially impacting efficiency in heavy-duty applications. This difference in motor type and speed could be significant for users who require high-performance tools for tougher jobs.

Speed Variability

Both grinders offer variable speed settings, but they differ in range and flexibility. The Bosch grinder provides a variable-speed setting from 2,800 RPM to 11,500 RPM, allowing users to adjust the speed based on the specific application. The RhovixStar, on the other hand, features four adjustable speeds, reaching up to 9,000 RPM. While the RhovixStar offers enough variability for many tasks, the Bosch's wider range may better accommodate a broader spectrum of grinding and cutting needs. Users who prioritize versatility may find the Bosch grinder more appealing.

Design and User Comfort

When it comes to design, the Bosch GWX13-50VSP includes a vibration control auxiliary handle that enhances user comfort during prolonged use. It also features an adjustable tool-free guard, allowing for easier adjustments on the job. Conversely, the RhovixStar's ergonomic design caters to both left-handed and right-handed users, ensuring comfort and reducing wrist fatigue. While both designs prioritize user comfort, the Bosch's specialized features may provide an edge for extended tasks, making it suitable for professionals who use grinders frequently.

Portability and Convenience

The RhovixStar's cordless design offers significant advantages in portability and convenience, making it easier to maneuver in tight spaces or outdoor settings. It comes with two 4.0Ah batteries, eliminating the need for a power cord and allowing for uninterrupted work. In contrast, the Bosch GWX13-50VSP is corded, which may limit its mobility on job sites. For users who often work in various locations without easy access to power outlets, the RhovixStar presents a more convenient option, albeit with less power.

Included Accessories

The RhovixStar package includes an extensive kit with two batteries, a fast charger, a handle, a wheel guard, and various cutting and sanding wheels. This comprehensive offering provides excellent value for users who require a complete setup for their grinding needs. The Bosch grinder, while highly effective, does not come with any additional accessories mentioned in the product description. For those looking for more than just the grinder itself, the RhovixStar’s kit may be a more attractive proposition.

Sales Ranking and Market Reception

The Bosch GWX13-50VSP has a sales rank of 70,792, indicating that it may not be among the top sellers in its category. In contrast, the RhovixStar has a better sales rank of 47,285, suggesting that it is gaining popularity among consumers. This difference in market reception may reflect the growing demand for cordless tools, as buyers increasingly prioritize convenience and flexibility in their power tools.

Which should you buy?

Choosing between the Bosch GWX13-50VSP and the RhovixStar Brushless Angle Grinder ultimately depends on your specific needs. If you require a powerful tool for heavy-duty applications, the Bosch offers superior speed and motor performance at $98.80. However, if portability and convenience are your priorities, the RhovixStar is a compelling option at $65.99, providing a complete kit and good performance for a variety of tasks. Consider what features matter most to you, such as power, convenience, or included accessories, before making a decision.