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Bosch GWS8-45 4-1/2 In. Angle Grinder vs SEESII Cordless Angle Grinder 4-1/

Updated July 2026 — Bosch GWS8-45 4-1/2 In. Angle Grinder wins on rpm and power, SEESII Cordless Angle Grinder 4-1/ wins on sales rank and battery.

The Bosch GWS8-45 offers superior performance and lower price, making it the better choice for most users.

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

Price

Bosch is $79.00, while Seesii is $84.99.

Motor RPM

Bosch delivers 11,000 RPM compared to Seesii's 10,000 RPM.

Sales Rank

Bosch has a better sales rank of 30,612.

Why SEESII Cordless Angle Grinder 4-1/ is better

Cordless

Seesii offers cordless convenience.

Attachments

Seesii includes multiple wheels for versatility.

Brushless Motor

Seesii's brushless motor reduces maintenance.

Overall score

Bosch GWS8-45 4-1/2 In. Angle Grinder
85
SEESII Cordless Angle Grinder 4-1/
75

Specifications

SpecBosch GWS8-45 4-1/2 In. Angle GrinderSEESII Cordless Angle Grinder 4-1/
Motor TypeCordedCordless
Power SourceElectricBattery
Handle TypeSide HandleAuxiliary Handle
MaintenanceService MinderBrushless
VersatilityLimitedHigh

Dimension comparison

Bosch GWS8-45 4-1/2 In. Angle GrinderSEESII Cordless Angle Grinder 4-1/

Overview of Products

The Bosch GWS8-45 4-1/2 In. Angle Grinder is priced at $79.00, while the SEESII Cordless Angle Grinder 4-1/2 Inch is available for $84.99. This makes the Bosch option about 6% less expensive. Both tools are designed for cutting, grinding, and polishing tasks, but each offers distinct features tailored to different user needs.

Motor Performance

The Bosch GWS8-45 features a powerful 7.5 amp motor that delivers an impressive 11,000 no-load RPM. In contrast, the SEESII Cordless Angle Grinder employs a high-performance brushless motor, providing 10,000 RPM but with enhanced efficiency. The brushless motor in the SEESII grinder eliminates the need for frequent carbon brush replacements, resulting in reduced maintenance and noise. This makes the SEESII slightly more efficient in terms of long-term usage, but the Bosch delivers higher RPM for immediate power needs.

Design and Ergonomics

When it comes to design, the Bosch GWS8-45 is known for its slim-grip design that enhances user comfort during prolonged use. Weighing only 4.2 lbs, it is lightweight, making it easy to handle. The SEESII grinder, while cordless, features a user-friendly design with a 2-position auxiliary handle that can be mounted on either side, making it versatile for left- and right-handed users. Both designs emphasize comfort, but the Bosch's ergonomic focus is specifically geared toward extended usage without fatigue.

Portability and Power Source

The SEESII Cordless Angle Grinder stands out as a cordless option, offering the flexibility to work without being tethered to a power outlet. It comes with two 4000mAh batteries, providing ample power for various tasks. The Bosch GWS8-45, however, is corded, which means it can provide continuous power without worrying about battery life. Users who prioritize mobility will find the SEESII's cordless design advantageous, while those who prefer consistent power might lean towards the Bosch.

Versatility and Attachments

For versatility, the SEESII Cordless Angle Grinder comes with multiple wheels, including cutting, grinding, and wood carving wheels, making it suitable for a range of tasks from metal cutting to wood shaping. The Bosch GWS8-45 is designed primarily for cutting and grinding, with a focus on its high RPM and durability. While the SEESII offers more attachments for varied applications, the Bosch emphasizes robust performance for professional-grade tasks.

Maintenance and Durability

The Bosch GWS8-45 includes a Service Minder brush system that eliminates guesswork by stopping the grinder when maintenance is needed, assuring users of its durability. Its directed airflow diverts dust away from vital components to enhance longevity. The SEESII's brushless motor also enhances its durability by reducing wear and tear. While both tools are built for longevity, the Bosch provides an additional layer of user assurance with its maintenance reminder.

Sales Ranking

In terms of market performance, the Bosch GWS8-45 has a sales rank of 30,612, indicating a solid presence in the market. The SEESII, with a sales rank of 71,084, suggests it is less popular among consumers at this time. This difference could reflect brand recognition and user trust in Bosch's established reputation in the power tool industry compared to newer entrants like SEESII.

Which should you buy?

Choosing between the Bosch GWS8-45 and the SEESII Cordless Angle Grinder ultimately depends on your specific needs. If you require a powerful, reliable tool with a focus on performance and maintenance features, the Bosch GWS8-45 is the better option, especially given its lower price of $79.00. However, if portability and versatility are your priorities, and you're willing to invest a bit more at $84.99, the SEESII offers a range of attachments and the convenience of being cordless. Each grinder has its strengths, making them suitable for different types of users and tasks.