Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder vs RhovixStar Brushless Angle Grinder Cordless, 3/
Updated July 2026 — Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder wins on features and build, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on value and battery.
The Milwaukee 2888-20 offers superior performance and build quality, making it the better choice for professionals, while the RhovixStar is a solid budget option.
Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better
Performance
Higher max RPM and advanced safety features
Build Quality
Renowned durability and reliability
Sales Rank
Higher popularity among consumers
Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better
Price
Significantly cheaper option
Accessories
Includes multiple batteries and tools
Versatility
Suitable for a wider range of tasks
Overall score
Specifications
| Spec | Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder | RhovixStar Brushless Angle Grinder Cordless, 3/ |
|---|---|---|
| Max RPM | 8500 | 9000 |
| Variable Speeds | 5 | 4 |
| Battery Type | 18V | 20V |
| Weight | 5.5 lbs | 4.0 lbs |
| Brake Feature | Yes | No |
Dimension comparison
Overview of the Milwaukee 2888-20 and RhovixStar Brushless Angle Grinder
The Milwaukee 2888-20 is a high-performance tool, designed for professional use, while the RhovixStar Brushless Angle Grinder offers a budget-friendly alternative with a range of features. Priced at $141.08, the Milwaukee grinder delivers impressive power and control, whereas the RhovixStar is significantly cheaper at $65.99, making it about 53% less expensive. This comparison will delve into various aspects to help you decide which angle grinder might best suit your needs.
Performance Comparison
The Milwaukee 2888-20 boasts a maximum speed of 8,500 RPM, making it a robust option for demanding tasks. It features five variable speed settings, allowing users to adjust the performance based on their specific needs, from 3,500 RPM to 8,500 RPM. On the other hand, the RhovixStar offers four adjustable speeds, reaching up to 9,000 RPM, which provides versatility for a variety of tasks, including polishing and cutting. While both grinders offer solid performance, the Milwaukee model's brake feature stops the wheel in two seconds or less, enhancing safety during operation, a feature absent in the RhovixStar.
Build Quality and Design
When it comes to build quality, Milwaukee is renowned for its durability and reliability. The Milwaukee 2888-20 is designed with a paddle switch and tool-free guard adjustment, which adds to its user-friendly nature. The RhovixStar, while also designed for comfort, features an ergonomic handle suitable for both left- and right-handed users. This makes it practical for extended use, reducing wrist fatigue. However, Milwaukee’s long-standing reputation for quality may give it an edge in longevity and sturdiness.
Battery and Runtime
Battery performance is critical for cordless tools. The Milwaukee 2888-20 is designed to work with an 18V battery, and while the specifics of battery life aren't detailed, the tool is built for professional use where high performance is expected. In contrast, the RhovixStar includes two 4.0Ah batteries, providing a longer runtime for various tasks. This package is particularly appealing for users who need to keep working without frequent interruptions. The inclusion of a fast charger further enhances the RhovixStar's usability, making it suitable for those who prioritize continuous operation.
Versatility and Applications
Both grinders offer versatility in applications, but they target slightly different user bases. The Milwaukee 2888-20 is positioned as a professional-grade tool, ideal for heavy-duty tasks such as metal grinding and cutting. Its variable speed options cater to different materials and applications effectively. Meanwhile, the RhovixStar is marketed as a multi-functional tool suitable for tasks like polishing, rust removal, and tile cutting. With its compatibility with various blades and discs, it is an excellent option for DIY enthusiasts or those who require a versatile, general-purpose grinder.
Price and Value
The price difference between the two grinders is quite significant. At $141.08, the Milwaukee 2888-20 is a more substantial investment compared to the RhovixStar’s $65.99. This price difference of about $75.09 is about 53% cheaper, making the RhovixStar an attractive option for budget-conscious buyers. However, the Milwaukee grinder’s higher cost may be justified by its advanced features and professional-grade performance. Consumers must weigh whether the additional investment aligns with their intended use and frequency of use.
Sales Rank and Market Presence
The sales rank of the Milwaukee 2888-20 is 11,053, reflecting its popularity among consumers looking for reliable power tools. Conversely, the RhovixStar has a sales rank of 47,285, indicating that while it is a more affordable option, it may not have the same level of market acceptance or proven track record as Milwaukee's offering. This disparity may influence potential buyers who consider brand reputation and user feedback as part of their purchasing decision.
User Experience and Comfort
User experience varies significantly between the two models. The Milwaukee 2888-20’s design focuses on professional usage, which includes features like the paddle switch for easier operation. Meanwhile, the RhovixStar emphasizes comfort with its ergonomic handle, reducing fatigue during prolonged use. The additional accessories included with the RhovixStar, such as multiple wheels and a wrench, enhance its overall value, especially for those new to using angle grinders. Each model caters to different user preferences, which can significantly influence the overall satisfaction with the tool.
Which should you buy?
Choosing between the Milwaukee 2888-20 and the RhovixStar Brushless Angle Grinder depends largely on your specific needs and budget. If you require a high-performance, professional-grade tool with advanced features and safety measures, the Milwaukee 2888-20 is likely the better choice, despite its higher price point. On the other hand, if you are looking for a versatile, budget-friendly option that still delivers solid performance for general tasks, the RhovixStar at $65.99 is an excellent value. Ultimately, weigh the importance of long-term durability and professional capability against the need for affordability and versatility in your decision-making process.

