Bosch GWS8-45 4-1/2 In. Angle Grinder vs Makita XAG04Z 18V LXT® Lithium-Ion Brushless
Updated July 2026 — Bosch GWS8-45 4-1/2 In. Angle Grinder wins on rpm and power, Makita XAG04Z 18V LXT® Lithium-Ion Brushless wins on price and battery.
The Bosch GWS8-45 offers excellent value and power for its price, while the Makita XAG04Z provides advanced technology and cordless convenience. Choose based on your specific needs.
Why Bosch GWS8-45 4-1/2 In. Angle Grinder is better
Price
Bosch is $49.99 cheaper than Makita
Power
Bosch has a 7.5 amp motor for consistent performance
Weight
Bosch is lighter at 4.2 lbs
Why Makita XAG04Z 18V LXT® Lithium-Ion Brushless is better
Cordless
Makita offers cordless convenience
Technology
Makita features Automatic Speed Change technology
Versatility
Makita handles a wider range of materials
Overall score
Specifications
| Spec | Bosch GWS8-45 4-1/2 In. Angle Grinder | Makita XAG04Z 18V LXT® Lithium-Ion Brushless |
|---|---|---|
| Motor Type | Corded | Brushless |
| Speed Control | No | Yes |
| Safety Features | Yes | Yes |
| Durability | High | Very High |
| User Comfort | Good | Excellent |
Dimension comparison
Overview of the Bosch GWS8-45 and Makita XAG04Z
The Bosch GWS8-45 is priced at $79.00, making it about 39% cheaper than the Makita XAG04Z, which retails for $128.99. Both angle grinders offer unique features suited for different types of users. The Bosch model is a corded option that focuses on power and durability, while the Makita is a cordless model that emphasizes convenience and advanced technology.
Power and Performance
The Bosch GWS8-45 is equipped with a professional 7.5 amp motor that delivers an impressive 11,000 no-load RPM. This powerful motor makes it suitable for demanding tasks where consistent performance is essential. Conversely, the Makita XAG04Z features a BL Brushless Motor, which eliminates carbon brushes and enhances efficiency. Although its specific RPM is not listed, the BL Motor is designed to provide longer run times and increased power, making it ideal for various applications, from grinding to cutting.
Design and Ergonomics
The Bosch GWS8-45 features a slim-grip design that enhances user comfort during extended use. At only 4.2 lbs, it is lightweight and easy to maneuver, making it a great choice for both professionals and DIY enthusiasts. On the other hand, the Makita XAG04Z also prioritizes ergonomics with its cordless design, allowing for greater freedom of movement. While both tools are designed for comfort, the Bosch's corded design may limit mobility compared to the Makita's battery-powered convenience.
Technology and Features
The Makita XAG04Z is packed with advanced technology, including Automatic Speed Change technology that adjusts speed and torque during operation for optimal performance. This feature allows it to handle a variety of materials efficiently. In contrast, the Bosch GWS8-45 includes a Service Minder brush system that eliminates guesswork by stopping the grinder when maintenance is required. Each tool's features cater to different user needs, with the Makita focusing on adaptability and the Bosch emphasizing straightforward functionality.
Durability and Maintenance
Both grinders are built with durability in mind, but they approach it differently. The Bosch GWS8-45 includes durable carbon brushes that extend the tool's life and a directed airflow system that diverts dust away from vital components. The burst-protection guard provides additional safety for users. Meanwhile, the Makita XAG04Z's BL Brushless Motor is designed to run cooler and more efficiently, which contributes to its longevity. The Star Protection technology also safeguards against overloading, over-discharging, and overheating, making it a robust option for heavy-duty tasks.
Versatility and Applications
The Bosch GWS8-45 is versatile enough for various applications, but it shines especially in tasks that require a steady power supply. It is well-suited for grinding and cutting metal, thanks to its powerful motor. The Makita XAG04Z, however, is designed for versatility, capable of handling a wide range of materials such as tile, concrete, and conduit. This makes it an excellent option for professionals who need to switch between tasks frequently.
Price Comparison
The Bosch GWS8-45 is available for $79.00, which is significantly lower than the Makita XAG04Z's price of $128.99. This difference of $49.99 translates to about a 39% savings for those opting for the Bosch model. While the Bosch offers excellent value for those prioritizing power and simplicity, the Makita justifies its higher price with advanced technology and cordless convenience.
Which should you buy?
Choosing between the Bosch GWS8-45 and the Makita XAG04Z ultimately depends on your specific needs. If you require a powerful, cost-effective grinder for consistent performance, the Bosch is the clear winner at $79.00. However, if you value portability and advanced technology for a diverse range of applications, the Makita's features and cordless design may be worth the higher price of $128.99. Each model excels in different areas, making them suitable for various users and tasks.

