Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder wins on price and features, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on popularity and rpm.
The Milwaukee 2888-20 offers advanced features and better performance, while the RYOBI PCL445B ONE+ is a budget-friendly option with solid capabilities.
Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better
Performance
Milwaukee has a variable speed up to 8,500 RPM.
Features
Includes paddle switch and tool-free guard adjustment.
Brand Reputation
Milwaukee is known for high-quality tools.
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Price
RYOBI is priced at $54.00.
Weight
RYOBI is generally lighter and more portable.
Battery Compatibility
RYOBI is part of the ONE+ system.
Overall score
Specifications
| Spec | Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Max RPM | 8,500 | 9,000 |
| Variable Speed | Yes | No |
| Side Handle | No | 3-position |
| Brake | Yes | No |
| Gear Case | Not specified | Die cast metal |
Dimension comparison
Price Comparison
When it comes to pricing, the RYOBI PCL445B ONE+ is significantly more budget-friendly than the Milwaukee 2888-20. The RYOBI is priced at $54.00, while the Milwaukee comes in at $141.08, making RYOBI about 62% cheaper. This substantial price difference can be a deciding factor for consumers who want a quality grinder without breaking the bank.
Performance and Power
The performance of these grinders shows a notable difference in RPM. The RYOBI boasts a powerful 9,000 RPM motor, which is higher than the Milwaukee’s maximum of 8,500 RPM. Although the Milwaukee offers variable speed settings between 3,500 RPM and 8,500 RPM, the RYOBI's consistent top speed may appeal to users looking for rapid material removal in their tasks. This performance aspect could be vital for users who prioritize speed in their grinding jobs.
Features and Usability
Both the Milwaukee and RYOBI models come with features that enhance usability, but they cater to slightly different user needs. The Milwaukee includes a paddle switch and tool-free guard adjustment, making it easier to use and adjust on the fly. Conversely, the RYOBI features a spindle lock for quick accessory changes and a 3-position side handle for additional control. Users who value quick adjustments may prefer the Milwaukee, while those who need versatility might lean towards the RYOBI.
Build Quality and Durability
In terms of build quality, both grinders offer durable constructions, but they approach it differently. The RYOBI is designed with a die-cast metal gear case that enhances its durability, making it suitable for tough jobs. The Milwaukee also emphasizes durability with its robust design, but specific material details are not provided. For users who prioritize ruggedness in their tools, the die-cast metal construction of the RYOBI may give it an edge in certain environments.
Weight and Portability
Portability can be a crucial aspect for users who need to move their tools around frequently. While specific weights for both grinders aren't provided in the data, the Milwaukee is generally known for being slightly bulkier. The RYOBI’s lightweight design, paired with its cordless feature, makes it a preferable choice for those who require a grinder that is easy to transport. If weight and ease of movement are top priorities, the RYOBI might be the better fit.
Battery Considerations
While both grinders are cordless, they come as bare tools, meaning batteries and chargers must be purchased separately. This can significantly impact the overall cost for users. The Milwaukee does not specify battery compatibility, whereas the RYOBI is part of the ONE+ system, which is compatible with a range of Ryobi batteries. If a user already has Ryobi tools, opting for the RYOBI grinder could lead to savings on battery purchases.
Customer Reviews and Rankings
In terms of popularity, the Milwaukee has a sales rank of 11,053, while the RYOBI is ranked at 18,870. This indicates that the Milwaukee is somewhat more popular among consumers at this time. However, the RYOBI's lower price point may attract a different segment of users who are looking for value over brand prestige. Reviews and user experiences could further differentiate these models, but based on sales rank alone, Milwaukee seems to have a slight edge.
Which should you buy?
Ultimately, the choice between the Milwaukee 2888-20 and the RYOBI PCL445B ONE+ hinges on your specific needs and budget. The RYOBI is a clear winner for those looking for an affordable option with solid performance and versatility, while the Milwaukee is ideal for users who prioritize advanced features, speed variability, and brand reputation. If budget constraints are a primary concern, the RYOBI's $54.00 price tag makes it a compelling choice. However, if you are seeking premium features and reliability, the Milwaukee at $141.08 could justify its higher price.

