vsversusfinder

Bosch GWS8-45 4-1/2 In. Angle Grinder vs Rueqior Cordless Angle Grinder Compatible with Milwaukee

Updated July 2026 — Bosch GWS8-45 4-1/2 In. Angle Grinder leads on rpm and price.

The Bosch GWS8-45 offers superior performance and durability, making it the better choice for professional use, while the Cordless Angle Grinder is more portable and budget-friendly.

Why Bosch GWS8-45 4-1/2 In. Angle Grinder is better

Power

Bosch has a 7.5 amp motor vs Cordless's 200W brushless motor

Durability

Bosch features durable carbon brushes and a Service Minder system

Safety

Bosch includes advanced safety features like a burst-protection guard

Why Rueqior Cordless Angle Grinder Compatible with Milwaukee is better

Weight

Cordless is lighter at 3.6 lbs vs Bosch's 4.2 lbs

Portability

Cordless design allows for unrestricted movement

Price

Cordless is significantly cheaper at $45.97 vs Bosch's $79.00

Overall score

Bosch GWS8-45 4-1/2 In. Angle Grinder
85
Rueqior Cordless Angle Grinder Compatible with Milwaukee
70

Specifications

SpecBosch GWS8-45 4-1/2 In. Angle GrinderRueqior Cordless Angle Grinder Compatible with Milwaukee
Power7.5 amp200W brushless
Max RPM1100010000
Weight4.2 lbs3.6 lbs
Price$79.00$45.97
DurabilityHighMedium
Safety FeaturesAdvancedBasic

Dimension comparison

Bosch GWS8-45 4-1/2 In. Angle GrinderRueqior Cordless Angle Grinder Compatible with Milwaukee

Overview of the Bosch GWS8-45

The Bosch GWS8-45 is a powerful and reliable angle grinder designed for professional use. Priced at $79.00, it features a 7.5 amp motor that delivers an impressive 11,000 no-load RPM, making it suitable for heavy-duty tasks. Its ergonomic slim-grip design enhances user comfort, allowing for extended periods of use without fatigue. With durable carbon brushes and a two-position side handle, this grinder is built for both longevity and control during operation. The directed air flow feature helps to keep dust away from vital components, further extending the tool's lifespan.

Overview of the Cordless Angle Grinder

The Cordless Angle Grinder, compatible with Milwaukee 18V batteries, offers a more portable solution for those who prioritize freedom of movement. At a lower price of $45.97, it features a brushless motor that provides up to 10,000 RPM, which is slightly less than the Bosch model but still suitable for various grinding tasks. Weighing just 3.6 lbs, it is lightweight and designed to reduce hand fatigue. However, it's essential to note that this model does not include a battery or wheels, meaning additional purchases are necessary to make it fully operational.

Power and Performance

In terms of power, the Bosch GWS8-45 has a clear advantage with its 7.5 amp motor that produces 11,000 no-load RPM, making it ideal for rigorous grinding tasks. On the other hand, the Cordless Angle Grinder's brushless motor generates up to 10,000 RPM, which is about 9% lower than the Bosch model. While both grinders are capable of handling cutting, grinding, and polishing tasks, the Bosch's higher RPM gives it a performance edge, especially for professionals who require consistent power for tough materials.

Design and Usability

The Bosch GWS8-45 offers a slim-grip design that enhances user comfort during long periods of use. Its weight of 4.2 lbs, while slightly heavier than the Cordless Angle Grinder, is balanced well for easy maneuverability. The two-position side handle allows users to adjust for greater control, which is essential for precision work. Conversely, the Cordless Angle Grinder's lightweight design of 3.6 lbs makes it easier to handle, especially in tight spaces. However, its lack of a battery included may limit its immediate usability, as users will need to invest in compatible batteries separately.

Durability and Maintenance

Durability is a significant factor for angle grinders, and the Bosch GWS8-45 excels in this area. It features durable carbon brushes that extend the tool's life and a Service Minder brush system that indicates when maintenance is required. This proactive approach minimizes downtime and ensures that the tool remains in optimal working condition. The Cordless Angle Grinder, while also built with a brushless motor that offers longer life and lower noise, does not have the same level of preventative maintenance features, which could potentially lead to issues if not regularly monitored.

Safety Features

Safety is paramount when using power tools, and both models incorporate features designed to protect users. The Bosch GWS8-45 includes a burst-protection guard that allows for quick adjustments, enhancing user safety. The directed air flow feature also helps keep dust away from critical components, reducing the risk of overheating. The Cordless Angle Grinder offers a protective cover that prevents sparks and metal shavings from causing injuries, making it a safe choice for general use. However, it lacks the advanced safety features found in the Bosch model, which may be a deciding factor for some users.

Price Comparison

When it comes to pricing, the Bosch GWS8-45 is priced at $79.00, while the Cordless Angle Grinder costs $45.97. This makes the Bosch model approximately 72% more expensive than its competitor. However, the additional cost of the Bosch grinder may be justified by its superior performance, durability, and safety features. Users should consider whether the higher investment aligns with their needs, especially if they require a grinder for frequent, heavy-duty use.

Which should you buy?

Choosing between the Bosch GWS8-45 and the Cordless Angle Grinder ultimately depends on your specific needs and preferences. If you require a powerful, durable tool for professional applications, the Bosch GWS8-45 is the superior choice, offering better performance, longevity, and safety features, albeit at a higher price. Conversely, if you prioritize portability and a lower upfront cost, the Cordless Angle Grinder may be more suitable, especially for light to moderate tasks. Keep in mind that you will need to procure a compatible battery separately for the cordless model, which could affect your overall investment.