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Greenworks 24V Brushless 4-1/2" Compact Circular vs Ryobi One P505 18V Lithium Ion Cordless 5 1/2"

Updated July 2026 — Greenworks 24V Brushless 4-1/2" Compact Circular wins on rpm and cut depth, Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on price and battery.

The Greenworks saw offers superior performance and speed, while the Ryobi is a more budget-friendly option with good ergonomics.

Why Greenworks 24V Brushless 4-1/2" Compact Circular is better

Higher RPM

Greenworks delivers 6,500 RPM compared to Ryobi's 4,700 RPM.

Brushless Motor

Greenworks features a brushless motor for better efficiency.

Deeper Cuts

Greenworks offers a maximum cutting depth of 1.52 inches.

Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better

Lower Price

Ryobi is priced at $44.89, significantly cheaper than Greenworks.

Battery Compatibility

Ryobi is compatible with a wide range of 18V batteries.

Ergonomic Design

Ryobi includes a GripZone overmold for better handling.

Overall score

Greenworks 24V Brushless 4-1/2" Compact Circular
85
Ryobi One P505 18V Lithium Ion Cordless 5 1/2"
75

Specifications

SpecGreenworks 24V Brushless 4-1/2" Compact CircularRyobi One P505 18V Lithium Ion Cordless 5 1/2"
Motor TypeBrushlessBrushed
Max RPM65004700
Cut Depth 0°1.52"1.5"
Cut Depth 45°1.12"1"
Weight6 lbs5 lbs
Price$74.99$44.89

Dimension comparison

Greenworks 24V Brushless 4-1/2" Compact CircularRyobi One P505 18V Lithium Ion Cordless 5 1/2"

Price Comparison

The Greenworks 24V Brushless Compact Circular Saw is priced at $74.99, while the Ryobi One P505 is significantly cheaper at $44.89, making it about 17% less expensive. This price difference could be a deciding factor for budget-conscious buyers. The Greenworks model offers a higher RPM at 6,500 compared to Ryobi's 4,700, but this increased speed comes with a higher cost. If you're looking for a more economical option for occasional or DIY projects, the Ryobi is a more attractive choice due to its lower price point.

Performance and Power

In terms of power, the Greenworks saw features a brushless motor that provides up to 50% more run-time and increased performance, delivering 6,500 RPM. On the other hand, the Ryobi model operates at 4,700 RPM. While both saws are capable of handling typical cutting tasks, the Greenworks saw excels in speed and efficiency, making it suitable for more demanding jobs. This difference in performance might appeal to professionals or serious DIY enthusiasts who require a tool that can keep up with rigorous use.

Design and Ergonomics

When it comes to design, both models emphasize user comfort and control. The Greenworks saw is lightweight and compact, featuring an LED work light that enhances visibility in dark or tight spaces. Conversely, the Ryobi saw includes a GripZone overmold to improve handling and an extra side handle for enhanced control. This ergonomic design makes the Ryobi more manageable for prolonged use, especially in various cutting positions. While both designs have their strengths, those prioritizing comfort may prefer the Ryobi's additional grip features.

Cutting Capacity

The Greenworks saw offers a maximum cutting depth of 1.52 inches at 0 degrees and 1.12 inches at 45 degrees, making it versatile for a variety of cuts. The Ryobi, while slightly less capable, allows for adjustable bevel cuts up to 50 degrees, providing flexibility for different applications. For users primarily engaged in intricate or angled cuts, the Ryobi may offer added value. However, the Greenworks model's deeper cutting capacity could be an advantage for those needing to make thicker cuts in a single pass.

Battery Compatibility

Battery compatibility is crucial for cordless tools. The Greenworks saw operates on a 24V lithium-ion battery, which is sold separately, and is part of a broader 24V platform that powers over 100 other products. In contrast, the Ryobi One P505 is compatible with various 18V batteries from the One+ system, which includes multiple battery options. This compatibility may provide Ryobi users with greater flexibility since they can utilize existing batteries from other Ryobi tools. For those already invested in the Ryobi ecosystem, this could be a significant advantage.

Additional Features

Both saws come with unique features that enhance user experience. The Greenworks model includes a vacuum suction tube to keep the workspace clean, which can be particularly useful for maintaining a tidy environment during cutting tasks. The Ryobi saw’s transparent lower guard offers maximum visibility of the cutting line, which can improve precision during use. While the Greenworks focuses on maintaining cleanliness, the Ryobi prioritizes visibility—both are valuable features depending on the user's needs.

Sales Rank and Popularity

The Ryobi One P505 has a sales rank of 18,485, indicating it is a popular choice among consumers. In comparison, the Greenworks saw has a higher sales rank of 117,683, suggesting it may not be as widely purchased. This could reflect various factors, such as price, brand preference, or specific user needs. Popularity can often indicate reliability and trust among users, so those looking for a tried-and-true option may lean toward the Ryobi given its better sales performance.

Which should you buy?

Choosing between the Greenworks 24V Brushless Compact Circular Saw and the Ryobi One P505 largely depends on your specific needs and budget. If you prioritize performance and speed with a higher RPM and a more powerful motor, the Greenworks model may be worth the investment despite its higher price. However, if you're looking for a budget-friendly option that still offers solid performance and is compatible with a wide range of batteries, the Ryobi is an excellent choice. Ultimately, both saws have their strengths, so consider your intended use to make the best decision.