Bosch GWS8-45 4-1/2 In. Angle Grinder vs SEESII Cordless Mini Angle Grinder: 3-Inch
Updated July 2026 — Bosch GWS8-45 4-1/2 In. Angle Grinder wins on power and weight, SEESII Cordless Mini Angle Grinder: 3-Inch wins on rpm.
The Bosch GWS8-45 offers superior power and durability, making it ideal for heavy-duty tasks, while the SEESII is a lightweight and budget-friendly option for lighter projects.
Why Bosch GWS8-45 4-1/2 In. Angle Grinder is better
Power
Bosch has a more powerful motor for demanding tasks.
Durability
Bosch's design includes features for enhanced longevity.
Brand Reputation
Bosch is a well-established brand in power tools.
Why SEESII Cordless Mini Angle Grinder: 3-Inch is better
Price
SEESII is more budget-friendly.
Portability
SEESII is lightweight and easy to handle.
Cordless
SEESII offers cordless convenience for flexibility.
Overall score
Specifications
| Spec | Bosch GWS8-45 4-1/2 In. Angle Grinder | SEESII Cordless Mini Angle Grinder: 3-Inch |
|---|---|---|
| Motor Type | Brushed | Brushless |
| Safety Features | Yes | Yes |
| Battery Included | No | Yes |
| Side Handle | Yes | No |
| Cutting Discs | No | Yes |
Dimension comparison
Price Comparison
The SEESII Cordless Mini Angle Grinder is about 24% cheaper than the Bosch GWS8-45, priced at $59.99 compared to Bosch's $79.00. This significant price difference could be a deciding factor for budget-conscious consumers. While the Bosch grinder is a bit more expensive, it is crucial to consider what added value each product brings to the table. The Bosch GWS8-45 has a more powerful motor and a higher no-load RPM, which may justify its higher price for those needing robust performance in heavy-duty tasks.
Power and Performance
The Bosch GWS8-45 outshines the SEESII in terms of raw power, boasting a professional 7.5 amp motor that delivers 11,000 no-load RPM. In contrast, the SEESII features a brushless motor with a maximum speed of 19,000 RPM. While the SEESII offers a higher RPM, the Bosch's motor is designed for professional use and provides sustained power for more demanding tasks. The difference in motor type and performance capabilities means that the Bosch grinder is better suited for heavy-duty applications, while the SEESII is aimed at lighter, DIY projects.
Design and Ergonomics
The Bosch GWS8-45 is designed for user comfort with its slim-grip design and lightweight construction of 4.2 lbs. In comparison, the SEESII weighs only 1.85 lbs, making it extremely portable and ideal for one-handed operation. Both grinders focus on user comfort but cater to different needs. The Bosch's design may suit users looking for extended use without fatigue during professional jobs, while the SEESII appeals to those who prioritize portability and ease of use for lighter tasks.
Features and Usability
The Bosch GWS8-45 comes equipped with a host of user-friendly features, including a two-position side handle for better control and a burst-protection guard for safety. Additionally, its Service Minder brush system helps eliminate guesswork regarding maintenance. On the other hand, the SEESII includes features like cordless operation, which removes the hassle of tangled cords, and an advanced cooling system for safety during extended use. While both grinders provide useful features, the Bosch's robust safety and maintenance features may be more appealing to professionals, while the SEESII's cordless convenience is great for casual users.
Versatility in Applications
The SEESII is specifically designed for versatility, coming with a kit that includes multiple cutting and grinding discs suitable for various materials, including metal, wood, and concrete. This all-in-one solution allows users to tackle a range of projects without needing additional accessories. Conversely, the Bosch GWS8-45 focuses on delivering professional-grade performance for more demanding tasks, making it ideal for those who need a reliable tool for heavy-duty work. Each grinder serves different user needs, with the SEESII being the better choice for general DIY tasks and the Bosch excelling in professional applications.
Maintenance and Longevity
Maintenance is a crucial aspect of power tools, and the Bosch GWS8-45 is designed with durability in mind. Its directed air flow system helps divert dust away from vital components, enhancing its longevity. The Service Minder brush system further ensures that users are alerted when maintenance is required. The SEESII, while efficient, relies on its brushless motor, which typically requires less maintenance than brushed motors but may not offer the same level of durability as the Bosch. Users looking for a long-lasting investment may find the Bosch grinder more appealing.
Brand Reputation and Sales Rank
In terms of brand reputation, Bosch is well-established in the power tool industry and holds a bestseller rank of 30,612, indicating a solid market presence. SEESII, although newer, has begun to carve out a niche but ranks lower at 59,855. Bosch's long-standing reputation for quality and reliability in power tools can provide buyers with peace of mind, especially for those making a significant investment. For consumers who prioritize brand reliability and customer service, Bosch's strong standing may influence their purchasing decision.
Which should you buy?
When choosing between the Bosch GWS8-45 and the SEESII Cordless Mini Angle Grinder, it ultimately depends on your specific needs and budget. The Bosch GWS8-45 stands out for its powerful motor, solid construction, and professional-grade features, making it ideal for heavy-duty applications. However, if you're looking for a lightweight, portable, and budget-friendly option for lighter tasks, the SEESII offers excellent value. Each grinder excels in different areas, so your decision should align with the types of projects you intend to tackle.

